Face and Scalp Anatomy PDF

Face 1- Patient came to the dental clinic suffering from burning and boiling sensation in the face. Extraoral examination revealed normal facial skin. The possible diagnosis is:  Occipital neuralgia  Facial palsy  Trigeminal neuralgia  Multiple s...

Face 1- Patient came to the dental clinic suffering from burning and boiling sensation in the face. Extraoral examination revealed normal facial skin. The possible diagnosis is:  Occipital neuralgia  Facial palsy  Trigeminal neuralgia  Multiple sclerosis 2- Pulsations felt just above the zygomatic arch, in front of the ear are of the:  Facial artery  Maxillary artery  Transverse facial artery  Superficial temporal artery 3- A patient has lost cutaneous sensation over the angle of the mandible, which nerve is most likely to be injured?  Mental nerve  Buccal nerve  Infra-orbital nerve  Great auricular nerve 4- Which of the following is a branch of the facial artery?  Mental artery  Dorsal nasal artery  Inferior labial artery  Transverse facial artery 5- Which of the following muscles is NOT supplied by the facial nerve?  Anterior belly of digastric  Orbicularis oculi  Orbicularis oris  Frontal belly of occipito-frontalis  6- Select wrong answer about the facial artery:  It arises from the external carotid artery  It lies anterior to the facial vein  We can feel its pulsation against the lower border of the mandible  It ends by dividing into the supraorbital and supratrochlear branches ophthalmic Artery 7- The buccinator muscle: bybuccal Branchof   Is attached to maxilla and zygomatic bones Is supplied by the mandibular nerve x facial   Is pierced by the parotid duct Closes the lips together 8- The buccinator muscle:  Is supplied by buccal branch of mandibular nerve.  Its middle fibers decussate at the angle of the mouth.  Arises from mandible only.  Accumulates food in vestibule of mouth. 9- All are true regarding orbicularis oculi, Except:  Orbital part closes eye tightly.  Palpebral part closes eye gently.  Orbital part has no bony attachment.  Lacrimal part drains the tears. Songfatachment 10- Pterygomandibular raphe gives attachment to:  Buccinator muscle.  Middle constrictor muscle.  Inferior constrictor muscle.  Platysma muscle. 11- The following veins unite with the posterior branch of the retromandibular vein to form external jugular vein?  Posterior Auricular vein.  Superficial Temporal vein.  Transverse facial vein.   Deep facial vein. 12- Infection from dangerous area of the face may be transmitted to which venous sinus?  Superior petrosal sinus.  Sigmoid sinus.  Superior sagittal sinus.  Cavernous sinus. 13- Infection from dangerous area of the face can spread to cavernous sinus via:  Anterior jugular vein  External jugular vein  Posterior auricular vein  Superior ophthalmic vein see 14- The common facial vein drains into:  Subclavian vein.  Internal jugular vein.  _o External jugular vein.  Brachiocephalic vein. 15- Sensations from the skin of the lower eyelid are carried by:  Infraorbital nerve.  Supraorbital nerve.  Supratrochlear nerve.  Buccal branch of mandibular nerve 16- The superficial temporal and maxillary veins join to form:  Posterior auricular vein.  Retromandibular vein.  Internal jugular vein.  External jugular vein.  Scalp 1- Which of the following nerves supply the occipital belly of Occipito-frontalis muscle?  Posterior auricular branch of facial nerve anterior belly   Temporal branch of facial nerve Zygomatic branch of facial nerve  Anterior auricular branch 2- Which branch of internal carotid artery supply the scalp?  Superficial temporal artery or  Posterior auricular artery  Occipital artery  At_ Supratrochlear artery 0 O 3- Which of following veins connect the veins inside of the scalp to veins outside the scalp:  Diploic vein   Emissary vein cerebral vein 2  Superficial vein 4- The following nerves supply the scalp, Except:  Supraorbital nerve.  Auriculotemporal nerve.  Infratrochlear nerve.  Greater occipital nerve. 5- Vessels and nerves of the scalp are mainly found in which of the following layers?  Skin.  Connective tissue layer.  Aponeurotic layer.  Loose areolar tissue layer.  6- An infection in which layer of the scalp is likely to spread to the cranial cavity?  Pericranium.  Epicranial aponeurosis.  Loose connective tissue  on Subcutaneous connective tissue. 7- Regarding the scalp the following are true, EXCEPT:  Its wounds bleed profusely.  Its superficial three layers are fused together.  It drained posteriorly into the occipital lymph nodes.  Its muscles are supplied by the greater occipital nerve 8- The following arteries supply the scalp except :  Supratrochlear artey  Supraorbital artey  Occipital artey  Infratrochlear artey  Great auricular nerve Lesser occipital nerve I 9- Which of the following nerves carries motor supply to the scalp behind the auricle?   Greater occipital nerve  Posterior auricular nerve    I 10- The horizontal skin tension lines of the forehead are caused by: Occipito-frontalis muscle Orbicularis oculi muscle Corrugator supercilii muscle  Procerus muscle. 11- The occipitofrontalis muscle is innervated by:  Trigeminal nerve.  Great auricular nerve.  Greater occipital nerve.  Facial nerve. É Fon Accipitty belly Temporful bosteriorauricular  12- Regarding the scalp, the following statements are true, Except:  Its wounds bleed profusely. of  Its superficial three layers are fused together.  The supratrochlear artery is a branch from the facial artery. opthalmic  Lymphatics from its temporal region drain into the preauricular lymph nodes. 13- The frontal belly of the occipito-frontalis is supplied by:  Supratrochlear nerve.  Auriculo-temporal nerve.  Zygomatico-temporal nerve.  Temporal branches of facial nerve. 14- The following nerves are sensory to scalp except  Supraclavicular nerve F  Great auricular nerve  Lesser occipital nerve  Greater occipital nerve Third 15- Hematoma deep to occipito-frontalis muscle:  Collect anteriorly to form black eye  Collect posteriorly to form black eye  Limited to sutural lines  Collect laterally to supreme nuchal line Skull Q1. A fracture of the pterion leads to an epidural hematoma. Which artery is most likely affected? A) Internal carotid artery B) Middle meningeal artery C) Vertebral artery D) Basilar artery Q2. Which is the only movable bone of the skull? A) Maxilla B) Mandible C) Zygomatic D) Frontal Q3. Which bones form the nasal septum? A) Nasal and vomer B) Ethmoid and vomer C) Frontal and nasal D) Zygomatic and ethmoid Q4. What is the primary function of the facial bones in the skull? A) Surround and protect the brain B) Form the nasal cavity, orbits, and support teeth C) Enclose the middle and inner ear structures D) Fuse the cranial bones Q6.Which of the following bones forms the Norma Occipitalis? A) Maxillary, Palatine, Occipital B) Parietal, Temporal, Occipital C) Sphenoid, Temporal, Parietal D) Vomer, Palatine, Temporal Q7.Which bones form the norma verticalis view of the skull? A) Frontal, parietal, and occipital bones B) Frontal, maxilla, and zygomatic bones C) Temporal, parietal, and sphenoid bones D) Maxilla, palatine, and vomer bones Q8.Which suture is visible in the norma verticalis view of the skull? e A) Sagittal suture B) Coronal suture C) Lambdoid suture D) All of the above Q9.Which foramina are present in Part B of the Norma Basalis Externa? A) Foramen ovale, foramen spinosum, foramen lacerum, carotid foramen B) Foramen magnum, jugular foramen, stylomastoid foramen C) Incisive foramen, greater palatine foramen, lesser palatine foramen D) Posterior nasal aperture, styloid process, mastoid process Q10.What is the significance of the nuchal lines (highest, superior, and inferior) visible in the norma occipitalis view? A) They form part of the orbit B) They are attachment points for neck and back muscles C) They divide the parietal and temporal bones D) They house cranial foramina Q11.All the following are paired bones of the cranium except: sss A) Parietal bones B) Temporal bones C) Occipital bone D) None of the above O Q12.All the following are features of norma occipitalis except: A) Lambda B) Nuchal lines C) Mandibular fossa D) External occipital protuberance Q13.All the following are included in the norma basalis externa except: A) Styloid process B) Alveolar arch C) Foramen magnum D) Glabella 0 Q14.All the following foramina are located in Part B of norma basalis externa except: A) Foramen ovale B) Carotid foramen  C) Foramen rotundum D) Foramen spinosum f A) Ethmoid bone O Q15.All the following bones are singular in the adult skull except: single but in B) Maxilla fa t C) Frontal bone D) Sphenoid bone Q16. Which of the following features is NOT associated with Part C of the Norma Basalis Externa? A) Occipital condyles B) Styloid process C) Foramen spinosum D) Mastoid notch O S Q17. All the following are part of the norma frontalis view except: A) Orbital margins B) Nasal septum C) Zygomatic arch D) Superior orbital foramen O Q18. All the following sutures are visible in norma verticalis except: A) Coronal suture B) Lambdoid suture C) Squamous suture D) Sagittal suture v Q19: The foramen oval in the skull A. allows entrance of the spinal part of the accessory nerve into the cranial cavity. B. is located in the petrous part of the temporal bone. C. allows entrance of the middle meningeal artery into the cranial cavity. D. allows exit of the mandibular division of the trigeminal nerve. E. allows exit of the glossopharyngeal nerve. Q20: The foramen spinosum in the skull A. allows exit of the facial nerve. B. is located in the lesser wing of the sphenoid. C. allows entrance of the middle meningeal artery into the cranial cavity. D. allows exit of the maxillary division of the trigeminal nerve. E. allows passage only of emissary veins. Q21: The internal acoustic meatus in the skull A. is located in the body of the sphenoid bone. B. is located in the mastoid bone. C. allows passage of the glossopharyngeal nerve. D. allows passage of the facial nerve only. E. allows passage of the vestibulocochlear nerve and the facial nerve Q22: The foramen magnum in the skull A. allows entrance of the spinal part of the accessory nerve into the cranial cavity. B. allows exit of the spinal part of the accessory nerve out of the cranial cavity. C. is located in the sphenoid bone. D. is located in the temporal bone. E. allows entrance of the cranial part of the accessory nerve. Q23: The jugular foramen in the skull A. is located in the petrous part of the temporal bone. B. allows exit of the hypoglossal nerve. C. is located in the middle cranial fossa. D. allows exit of the vagus nerve. E. allows entrance of the external jugular vein. a Q24: The following statements concerning the middle cranial fossa are correct except which? A. The pituitary gland (hypophysis cerebri) is related antero-superiorly to the optic chiasma. B. The pituitary gland receives its blood supply from the middle meningeal arteries. C. The oculomotor nerve passes forward in the lateral wall of the cavernous sinus. D. The internal carotid artery passes forward through the cavernosa sinus. E. The abducent nerve passes forward through the cavernous sinus. Q25: Which if the following bones is not part of the pterion? A- parital B - zygomatic C - sphenoid D - squamous part of temporal Q26: Superior orbital fissure is located between? A - greater and lesser wing of sphenoid B - greater wing of sphenoid and zygomatic bone C - lesser wing of sphenoid and ethmoidal bone D- none of the above Q27: Which of the following sutures located between parital bones? A: coronal suture B: lambdoidal suture C: sagittal suture D: squamous suture Q28: Which of the following bones is NOT part of the orbit ? A- zygomatic bone B- sphenoid bone C- maxillary bone D- temporal bone Q29: Which of the following crainal bones has the carotid canal? A- temporal B- sphenoid C- occipital D- none of the above Q30: All of the following are parts of the temporal bone except? A: mastoid process B: styloid process C: foramen oval D: internal auditory meatus Anterior Triangle of the Neck 1. What forms the anterior boundary of the anterior triangle of the neck?  A. Sternocleidomastoid muscle B. Midline of the neck C. Mandible D. Clavicle 2. Which muscle forms the posterior boundary of the anterior triangle? A. Sternocleidomastoid B. Omohyoid C. Mylohyoid D. Digastric 3. What is the superior boundary of the anterior triangle? A. Hyoid bone B. Thyroid cartilage C. Mandible D. Platysma 4. What is the roof of the anterior triangle composed of? A. Deep fascia only B. Skin and superficial fascia C. Muscles D. Bone 5. Which layer contains the platysma? A. Deep fascia B. Subcutaneous tissue C. Periosteum D. Carotid sheath 6. What divides the anterior triangle into smaller triangles? A. Sternocleidomastoid B. Omohyoid and digastric muscles C. Mandible D. Hyoid bone 7. Name one of the triangles formed within the anterior triangle. A. Submental triangle TsubTandibleInsular Carotid B. Occipital triangle C. Supraclavicular triangle D. Subscapular triangle 8. What is the origin of the posterior belly of the digastric muscle? s A. Mandible e  B. Hyoid bone C. Mastoid process D. Thyroid cartilage 9. What is the insertion of the digastric muscle? A. Mandible B. Hyoid bone C. Intermediate tendon D. Mastoid process Yi 10. Which nerve supplies the anterior belly of the digastric muscle? A. Facial nerve B. Nerve to mylohyoid C. Hypoglossal nerve D. Spinal accessory nerve 11. What is the primary action of the thyrohyoid muscle? A. Elevates the mandible B. Depresses the hyoid bone and elevates the thyroid cartilage C. Retracts the tongue D. Depresses the mandible 12. Which muscle pierces the intermediate tendon of the digastric muscle? A. Stylohyoid B. Omohyoid C. Sternohyoid D. Mylohyoid 13. What are the contents of the carotid sheath? A. Vagus nerve, common carotid artery, internal jugular vein B. Facial artery, external jugular vein, hypoglossal nerve C. Submandibular gland, lymph nodes, facial vein D. Thyroid gland, phrenic nerve, subclavian vein 14. Name one muscle that forms the floor of the carotid triangle. A. Sternothyroid B. Thyrohyoid C. Hyoglossus D. Sternocleidomastoid 15. Which nerve supplies the omohyoid muscle? A. Hypoglossal nerve B. Ansa cervicalis C. Vagus nerve D. Facial nerve  Posterior Triangle of the Neck 16. What forms the anterior boundary of the posterior triangle? A. Sternocleidomastoid B. Trapezius C. Omohyoid D. Clavicle 17. What is the posterior boundary of the posterior triangle? A. Omohyoid v B. Trapezius C. Clavicle D. Sternocleidomastoid 18. What structure forms the inferior boundary of the posterior triangle? A. Clavicle B. Hyoid bone C. Mandible D. Sternum 19. Which muscle divides the posterior triangle into two smaller triangles? A. Omohyoid B. Digastric C. Sternocleidomastoid D. Trapezius 20. Name one of the triangles within the posterior triangle. A. Submental B. Occipital Supraclavicular C. Carotid D. Subclavian 21. What is the roof of the posterior triangle composed of? A. Skin and superficial fascia B. Prevertebral fascia C. Deep cervical fascia D. Trapezius 22. Which artery is a content of the posterior triangle?  A. Carotid artery B. Subclavian artery C. Lingual artery D. Axillary artery 23. Which vein passes through the posterior triangle? A. External jugular vein B. Internal jugular vein C. Subclavian vein D. Brachial vein 24. What nerve supplies the sternocleidomastoid muscle? A. Facial nerve B. Spinal accessory nerve C. Hypoglossal nerve D. Vagus nerve 25. What is the action of the trapezius muscle? A. Elevates the mandible B. Elevates the scapula C. Depresses the hyoid bone D. Flexes the neck 26. What is the main nerve supply to the trapezius muscle? A. Spinal accessory nerve B. Hypoglossal nerve C. Vagus nerve D. Cervical plexus 27. What is the action of the splenius capitis muscle? A. Depression of the mandible B. Extension of the neck C. Lateral flexion of the neck D. Elevation of the scapula 28. What is the origin of the levator scapulae muscle? A. Transverse processes of cervical vertebrae B. Spinous processes of thoracic vertebrae C. Ligamentum nuchae D. First rib 29. What is the insertion of the scalenus medius muscle? A. Scalene tubercle of the first rib IX  B. Upper surface of the first rib C. Transverse processes of cervical vertebrae D. Clavicle 30. Which artery accompanies the suprascapular nerve? os A. Subclavian artery B. Transverse cervical artery C. Suprascapular artery D. Occipital artery Neck viscera 1. Which fascia encloses the thyroid gland? Prevertebral fascia Pretracheal fascia Investing fascia Carotid sheath 2. What shape are the lobes of the thyroid gland? Triangular Oval Pear-shaped Bear-shaped 3. The thyroid gland moves during swallowing because it is enclosed by: Carotid sheath Superficial fascia Pretracheal fascia Prevertebral fascia 4. What is the arterial supply of the thyroid gland? Common carotid artery Superior thyroid, inferior thyroid, thyroidea ima arteries Vertebral artery Subclavian artery 5. Which vein drains the thyroid gland into the left brachiocephalic vein? Superior thyroid vein Inferior thyroid vein Middle thyroid vein Internal jugular vein Oblique line of thyroid cartilage Fourth tracheal ring Cricoid cartilage In 6. The apex of the thyroid gland extends up to: Second tracheal ring 7. Lymphatic drainage of the thyroid gland includes: Deep cervical and submental nodes Paratracheal and deep cervical nodes Pretracheal and submandibular nodes Submandibular and occipital nodes Q 8. Which nerve is closely related to the medial surface of the thyroid gland? Recurrent laryngeal nerve  Phrenic nerve Vagus nerve External laryngeal nerve e 9. During thyroidectomy, damage to which nerve may affect voice modulation? External laryngeal nerve Phrenic nerve Hypoglossal nerve Sympathetic trunk i 10. Which condition refers to the enlargement of the thyroid gland? Goiter Thyroiditis Cretinism Hyperparathyroidism 11. The trachea begins at the level of which cervical vertebra? C4 11 6 C5 C6 C7 12. At what level does the trachea bifurcate? Sternal angle Third thoracic vertebra Fourth cervical vertebra Sixth thoracic vertebra 13. Which structure is located anterior to the trachea? Esophagus Jugular arch Longus coli muscle a Vertebral column 14. Which of the following lies lateral to the trachea? Sternothyroid muscle Ta Carotid sheath Vertebral column Esophagus 15. Which fascia directly covers the trachea? Prevertebral fascia Investing fascia Pretracheal fascia Superficial fascia 16. The thyroid isthmus crosses which tracheal rings? First and second Second, third, and fourth Third and fourth Fifth and sixth 17. The cervical esophagus begins at the level of which cervical vertebra? C4 C5 C6 C7 18. The esophagus inclines to which side as it descends in the neck? Right Left Anterior Posterior 19. What is the length of the esophagus? 10 cm 15 cm 25 cm 30 cm 20. The arterial supply of the cervical esophagus is derived from the: External carotid artery Inferior thyroid artery Thyrocervical trunk Subclavian artery 21. The nerve supply of the cervical esophagus is provided by: Hypoglossal nerve Recurrent laryngeal and sympathetic trunk Phrenic nerve Glossopharyngeal nerve 22. Which structure lies posterior to the cervical esophagus? Trachea Vertebral column FragEentes Thyroid gland Carotid sheath  23. Which lymph nodes drain the cervical esophagus? SEE Submandibular nodes Deep cervical nodes Paratracheal nodes Submental nodes 24. The cervical esophagus is continuous with the: Trachea Stomach Pharynx Laryngopharynx I 25. What is retrosternal goiter? A condition where the thyroid extends above the larynx A condition where the thyroid extends downward into the thorax Enlargement of parathyroid glands Compression of the esophagus by the thyroid 26. A thyroidectomy may inadvertently damage which gland? Adrenal gland Parathyroid gland Salivary gland Pineal gland 27. Which nerve may be damaged in a thyroidectomy, causing hoarseness? D External laryngeal nerve Recurrent laryngeal nerve Sympathetic trunk Phrenic nerve 28. Which feature distinguishes the thyroid from other glands? Its location in the neck e Movement with swallowing Its vascular supply Its bilateral lobes 29. Which structure lies anterior to the cervical esophagus? Vertebral column Trachea Thyroid gland Sternocleidomastoid 30. What is the approximate length of the esophagus? 25 cm (10 inches) m 20 cm (8 inches) 15 cm (6 inches) 30 cm (12 inches) 31. The cervical esophagus lies between which two structures laterally? Trachea and thyroid gland Carotid sheath and thyroid gland Carotid sheath and vertebral column Sternocleidomastoid and vagus nerve 32. During a thyroidectomy, which nerve is most vulnerable to injury? Hypoglossal nerve Glossopharyngeal nerve Recurrent laryngeal nerve Phrenic nerve isthm.TO 33. The thyroid gland is located at the level of which tracheal rings? 2nd to 4th 1st to 3rd 3rd to 5th 4th to 6th 34. Which artery is NOT involved in the arterial supply of the thyroid gland? Superior thyroid artery Inferior thyroid artery Thyroidea ima artery Subclavian artery 35. Which muscle lies anterior to the trachea? Sternocleidomastoid Omohyoid Sternohyoid Longus coli 36. What is the clinical significance of the thyroid gland’s relationship with the recurrent laryngeal nerve? Difficulty in swallowing Hoarseness of voice if injured Reduced blood supply to the gland Increased risk of infection 37. The lymph drainage of the thyroid gland primarily involves: Submandibular and submental nodes Paratracheal and deep cervical nodes  Superficial cervical and jugular nodes Retropharyngeal and prevertebral nodes 38. Which structure is located posterior to the thyroid gland? Trachea Carotid sheath Parathyroid glands Sternohyoid muscle 39. Which part of the esophagus is continuous with the stomach? Cervical esophagus Thoracic esophagus Abdominal esophagus Laryngopharynx 40. Which fascia provides mobility to the trachea during respiration? Prevertebral fascia Pretracheal fascia Investing fascia Superficial fascia Cranial cavity 1. Which of the following is not a part of the anterior cranial fossa? A. Crista galli B. lesser wing of sphenoid C. Frontal crest D. Greater wing of sphenoid 2. Crista galli is a part of: A. Ethmoid bone B. Frontal bone C. Sphenoid bone D. Parietal bone 3. Foramen ovale is located in which of the following fossae? A. Anterior cranial fossa B. Posterior cranial fossa C. Middle cranial fossa D. none of the above 4. Internal acoustic meatus located in which of the following? A. squamous part of temporal bone B. tympanic part of the temporal bone C. posterior surface of the petrous part of the temporal bone A. Frontal bone B. Parietal bone I 5. All of the following bones form the skull cap except C. Maxilla D. Occipital bone 6. Which of the following separates the two cerebral hemispheres? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 7. Which of the following Dural folds has a Sickle shaped? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 8. Which of the following Dural folds is attached to crista galli A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 9. Which of the following Dural folds encloses the superior sagittal sinus? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 10. Which of the following Dural folds has a tent-shaped? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 11. Which layer of the Dura matter that forms four folds between different parts of the brain? A. Outer (endosteal) layer B. Inner (meningeal) layer C. A&B D. none of the above 12. (A tough fibrous membrane) is a feature of which of the following meninges? A. Dura mater B. Arachnoid mater C. Pia mater D. All above 13. Which of the following Dural folds Covers the hypophysis cerebri (pituitary gland)? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 14. In which bone is the Sella turcica located? A. Sphenoid bone B. Temporal bone C. Ethmoid bone D. Zygomatic bone 15. Which of the following is considered as paired venous sinuses? A. Occipital sinus  B. Intercavernous sinuses c. Basilar plexus of sinuses D. Inferior petrosal sinus 16. Which of the following is considered as paired venous sinuses? A. Superior sagittal sinus B. Inferior sagittal sinus C. Straight sinus D. Sigmoid sinus 0 17. Which of the following is considered as single venous sinuses? A. Sphenoparietal sinus B. Cavernous sinus C. Superior petrosal sinus SEE stiffens D. Inter-cavernous sinuses 0 18. Which of the following is considered as single venous sinuses? A. Inferior petrosal sinus B. Sigmoid sinus C. Transverse sinus D. Straight sinus 19. The anterior end of the free margin of the Tentorium cerebelli is attached to which of the following? A. Anterior clinoid process B. Posterior clinoid process C. Crista galli D. lesser wing of sphenoid TT 20. A small crescentic fold extending between the two cerebellar hemispheres: A. Falx cerebelli so mm B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 21. Which of the following Dural folds forms the roof over the cerebellum (between cerebellum and the cerebrum)? A. Falx cerebelli B. Tentorium cerebelli C. Diaphragma sellae D. Falx cerebri 9 22. Which of the following venous sinuses continues as the right transverse sinus? IWF A. Inferior sagittal sinus B. Superior sagittal sinus C. Straight sinus D. Occipital sinus iistsiTa 23. Which of the following venous sinuses unites with the great cerebral vein to IE form the straight sinus? A. Inferior sagittal sinus B. Superior sagittal sinus  C. Straight sinus D. Occipital sinus 24. Which of the following venous sinuses Forms by the union of the inferior sagittal sinus and the great cerebral vein? A. Inferior sagittal sinus B. Superior sagittal sinus C. Straight sinus D. Occipital sinus 25. Which of the following venous sinuses passes through the jugular foramen to 81T join the upper part of IJV? A. Inferior sagittal sinus B. Superior sagittal sinus C. Straight sinus D. Occipital sinus 26. The left transverse sinus is usually a continuation of the A. Sigmoid sinus B. Superior sagittal sinus C. Straight sinus D. Occipital sinus J 27. Which of the following venous sinuses Runs in the sigmoid sulcus? A. Sigmoid sinus B. Superior sagittal sinus C. Straight sinus D. Occipital sinus 28. All the following structures are running in the lateral wall of the cavernous sinus except a. Oculomotor nerve b. Trochlear nerve c. Ophthalmic nerve d. Abducent nerve 29. Which of the following structure is/are running inside the cavernous sinus? A. Internal carotid artery B. Abducent nerve C. A&B B. Maxillary nerve 30. Which of the following is a terminal part of the internal carotid artery? A. Pterygoid branch I B. Cavernous branches C. Carotico-tympanic D. Ophthalmic artery 31. What passes through the carotid canal? A. Internal carotid artery B. Sympathetic Nerve Fibers C. A&B 39 D. facial nerve 32. All the following structure pass through jugular foramen except A. B. C. D. Accessory nerve Vagus nerve Glossopharyngeal nerve Vistibulococluar nerve TO 33.What passes through foramen rotundum? A. Abducent nerve B. Mandibular nerve C. Maxillary nerve D. Ophthalmic nerve 34. What passes through the cribriform plate of ethmoid bone? A. Glossopharyngeal nerve B. Vistibulococluar nerve C. Olfactory nerve D. Optic nerve parotid, temporal, infratemporal rejoin 1. The medial boundary of the infratemporal fossa is formed by which structure? A. Ramus of the mandible B. Lateral pterygoid plate C. Pterygomaxillary fissure D. Posterior surface of the maxilla 2. Which muscle assists in elevation and retraction of the mandible? A. Masseter B. Temporalis C. Lateral pterygoid D. Medial pterygoid 3. What is the action of the lateral pterygoid muscle? A. Elevates the mandible B. Retracts the mandible C. Protrudes and chewing movement D. Depresses the mandible x 4. Which of the following statements about the nasopalatine artery is incorrect? A. It passes through the nasopalatine foramen to reach the nose. B. It anastomoses with the greater palatine artery at Little’s area. C. It supplies the maxillary molars and premolars. D. It is a branch of the 3rd part of the maxillary artery. A. Upper first premolar B. Upper second molar 0 5. The parotid duct opens into the oral cavity opposite which tooth? C. Upper canine D. Upper first molar 6. The parasympathetic innervation of the parotid gland is mediated by which cranial  nerve? A. CN V B. CN VII C. CN IX So D. CN X log 7.The parasympathetic fibers to the parotid gland synapse in which ganglion? A. Submandibular B. Otic C. Pterygopalatine D. Ciliary 8. Which lymph nodes drain the parotid gland? A. Submandibular B. Deep cervical C. Preauricular and parotid D. Jugulodigastric 9. The temporalis muscle inserts onto which structure? A. Coronoid process of the mandible B. Zygomatic arch C. Mandibular condyle if D. Maxillary tuberosity 10. The nerve supply to the temporalis muscle comes from which branch of the mandibular nerve? on A. Auriculotemporal nerve B. Buccal nerve C. Deep temporal nerves D. Lingual nerve 11. The posterior boundary of the temporal fossa is marked by which bone? A. Temporal bone B. Parietal bone C. Occipital bone D. Sphenoid bone 12. Which of the following structures is NOT found in the temporal region? A. Temporalis muscle so B. Auriculotemporal nerve C. Deep temporal artery D. Buccal nerve 13. The superficial temporal artery is a terminal branch of which artery? A. Internal carotid artery B. Facial artery C. External carotid artery D. Maxillary artery 14. Which muscle is NOT a content of the infratemporal fossa? A. Medial pterygoid so B. Lateral pterygoid C. Temporalis D. Buccinator 15.The lateral boundary of the infratemporal fossa is formed by which structure? A. Lateral pterygoid plate B. Zygomatic arch C. Ramus of the mandible t D. Temporal bone 16. The maxillary artery arises as a branch of which artery? A. External carotid artery B. Internal carotid artery C. Facial artery D. Lingual artery 17. Which foramen transmits the mandibular nerve into the infratemporal fossa? A. Foramen ovale B. Foramen rotundum C. Foramen spinosum D. Stylomastoid foramen 18. The temporomandibular joint is classified as which type of joint? A. Ball-and-socket joint B. Hinge joint C. Ellipsoid joint D. Synovial joint 19. The articular disc of the TMJ is composed of which type of tissue? A. Elastic cartilage B. Fibrocartilage C. Hyaline cartilage D. Dense connective tissue 20. Which muscle is primarily responsible for closing the jaw? A. Lateral pterygoid B. Medial pterygoid C. Temporalis D. Masseter 21. Dislocation of the TMJ typically occurs in which direction? A. Anterior B. Posterior C. Lateral D. Superior 22. The medial pterygoid muscle: A. Is originated from the medial pterygoid plate. B. Is inserted on the neck of the mandible. C. Is supplied by the main trunk of the mandibular nerve. D. Retracts the mandible. A. Carotid sheath. B. Medial pterygoid muscle. a 23. The antero-medial relations of the parotid gland include the following, EXCEPT: C. Ramus of the mandible. D. Masseter muscle. 24. The following statements are correct in relation to the parotid gland, EXCEPT: A. Its shape is roughly pyramidal. B. It fills the space between the ramus of the mandible and the sternocleidomastoid muscle. C. It has two surfaces; medial and lateral. D. Its capsule is derived from the investing fascia of the neck. A.Skin. B. Platysma. sec 25. The following structures lies superficial to the parotid gland, EXCEPT: C.Auriculotemporal nerve. the mostdeepstructurein the's area D.Great auricular nerve. 26. The postganglionic fibres from the otic ganglion reach the parotid glandvia the: e  A.Zygomatico-temporal nerve. B.Auriculo-temporal nerve. C.Deep temporal nerve. D.Temporal branch of the facial nerve. 27. The secretomotor nerve supply of the parotid gland is the: A.Trigeminal nerve. B. Facial nerve. C.Glossopharyngeal nerve. D.Vagus nerve. 28. Which of the following is NOT a muscle of mastication? A. Temporalis B. Masseter C. Buccinator D. Medial pterygoid 29. The muscles of mastication are innervated by which branch of the trigeminal nerve? A. Ophthalmic nerve B. Maxillary nerve C. Mandibular nerve D. Facial nerve 30. The lateral boundary of the infratemporal fossa is formed by which structure? A. Lateral pterygoid plate B. Zygomatic arch C. Ramus of the mandible D. Temporal bone 31. the infratemporal fossa Communicat With Orbital cavity through: A. deep to the zygomatic arch B. pterygomaxillary fissure C. inferior orbital fissure D. orbital foramen 32.all about the mandibular nerve is correct Except: A. The largest division of the trigeminal nerve B. mixed nerve, formed of a thick sensory and a small motor root C. leave the cranial cavity through the Foramen rotundum oral D. The trunk is very short and divides into anterior and posterior divisions 33. The lingual nerve is responsible for which type of innervation to the anterior two-thirds of the tongue?  A. Taste sensation only B. General sensation only C. Motor innervation only D. Both general and taste sensation 1 34. The lingual nerve passes inferior to which muscle? A. Mylohyoid B. Styloglossus C. Genioglossus D. Hyoglossus 35. The lingual nerve communicates with the submandibular ganglion to provide which type of fibers to the glands? A. Sensory fibers B. Sympathetic fibers C. Parasympathetic fibers A D. Motor fibers 36. The maxillary artery is a terminal branch of which artery? A. Internal carotid artery B. Facial artery C. External carotid artery D. Superficial temporal artery 37. Which branch of the maxillary artery contributes to the blood supply of the dura mater? A. Deep auricular artery B. Middle meningeal artery C. Inferior alveolar artery D. Infraorbital artery f 38. The pterygoid venous plexus is located in which anatomical region? A. Temporal fossa B. Infratemporal fossa C. Pterygopalatine fossa D. Submandibular region 39. The lateral wall of the pterygopalatine fossa is formed by: A. Maxilla B. Palatine bone C. Pterygoid process of the sphenoid D. It is open laterally via the pterygomaxillary fissure 40. Which ganglion is located in the pterygopalatine fossa? A. Otic ganglion B. Submandibular ganglion C. Pterygopalatine ganglion D. Ciliary ganglion 41. The sphenopalatine ganglion is classified as a: A. Sympathetic ganglion B. Parasympathetic ganglion C. Mixed autonomic ganglion  D. Sensory ganglion 42. Postganglionic parasympathetic fibers from the sphenopalatine ganglion innervate the: A. Lacrimal gland B. Nasal glands C. Palatine glands D. All of the above Orbit 1. Which bones form the roof of the orbital cavity? A. Orbital plate of the frontal bone and lesser wing of sphenoid B. Orbital surface of maxilla and zygomatic bone C. Greater wing of sphenoid and ethmoid bone D. Lacrimal bone and zygomatic bone 2. Which structure passes through the optic canal? A. Optic nerve, ophthalmic artery, and meningeal sheath B. Inferior ophthalmic vein and maxillary nerve C. Infraorbital nerve and vessels D. Superior ophthalmic vein and frontal nerve 3. The superior rectus muscle is innervated by which nerve? A. Trochlear nerve B. Abducent nerve C. Superior division of oculomotor nerve D. Inferior division of oculomotor nerve 4. What is the origin of the levator palpebrae superioris muscle? Ite A. Roof of the orbit in front of the optic canal B. Floor of the orbit near the inferior orbital fissure C. Medial wall near the lacrimal bone D. Lateral wall near the greater wing of sphenoid 5. What is the function of the ciliary muscle? A. Dilation of the pupil B. Elevation of the upper eyelid C. Accommodation for near vision D. Constriction of the pupil on 6. Through which structure does the central vein of the retina drain into the cavernous sinus? f A. Inferior orbital fissure B. Superior orbital fissure met C. Optic nerve ophthamic vien D. Pterygoid plexus 7. Which muscle directs the cornea upwards and laterally? A. Superior oblique B. Inferior oblique C. Superior rectus D. Lateral rectus 8. What is the parasympathetic nerve supply to the lacrimal gland? A. Nasociliary nerve B. Zygomaticotemporal nerve via maxillary nerve C. Frontal nerve D. Superior division of oculomotor nerve 9. Which structure is located in the lacrimal fossa? A. Lacrimal sac B. Lacrimal gland C. Nasolacrimal duct D. Orbital fat 10. Which of the following structures passes through the superior orbital fissure inside the common tendinous ring? A. Lacrimal nerve B. Trochlear nerve C. Nasociliary nerve D. Zygomatic nerve 11. What is the function of the levator palpebrae superioris muscle? A. Constriction of the pupil B. Elevation of the upper eyelid C. Depression of the cornea D. Movement of the eyeball laterally 12. The medial wall of the orbital cavity includes which bone? A. Lacrimal bone B. Zygomatic bone C. Maxillary bone D. Frontal bone 13. Which nerve supplies the superior oblique muscle? A. Oculomotor nerve B. Trochlear nerve C. Abducent nerve D. Optic nerve 14. The superior orbital fissure communicates with which fossa? A. Posterior cranial fossa B. Infratemporal fossa C. Middle cranial fossa D. Anterior cranial fossa 15. The optic canal transmits which of the following structures? A. Trochlear nerve B. Ophthalmic artery C. Lacrimal nerve D. Abducent nerve 16. The ciliary ganglion is responsible for parasympathetic innervation to: A. Sphincter pupillae and ciliary muscles B. Superior oblique muscle C. Inferior rectus muscle D. Dilator pupillae 17. Which artery is a branch of the ophthalmic artery? A. Facial artery B. Central artery of the retina C. Maxillary artery D. Zygomatico-facial artery 18. The lateral wall of the orbital cavity includes which of the following bones? A. Lacrimal bone B. Maxillary bone C. Zygomatic bone D. Ethmoid bone 19. Which structure passes through the inferior orbital fissure? A. Superior ophthalmic vein B. Maxillary nerve C. Trochlear nerve D. Nasociliary nerve 20. which of the following viens communicate with pteriogoid plexus of vien though inferior orbital fissure? A. superior opthalmic vien B. inferior opthalmic vien C. central vien D. maxillary vien 21. which layer of the eyelid is responsiable for providing stiffnes of the eye for its proticetion? A. Skin B. Conjunctiva C. Tarsus D. Orbicularis oculi 22. which of the follwing considered a minute parasympathatic ganglion? A. Ciliary ganglion B. sphenoplataine ganglion C. otic ganglion D. pterygopalatine ganglion 23. which nerve will be first affected if there is a drop in the intercranial pressure: A.Trochlear nerve B. Abducent nerve C. Superior division of oculomotor nerve D. Inferior division of oculomotor nerve 24. the internal and external nasal nerve are branches of which nerve: A. Posterior ethmoidal nerve B. Anterior ethmoidal nerve C. Infratrochelar nerve D. zygomatic nerve 25. which nerve carry sympthatic fibers from the plexus around the internal carotied artery to supply dilator pupillae muscle? A. Superior ophthalmic vein B. Maxillary nerve C. Trochlear nerve D. long ciliary nerve 26. which of the following considered the largest branch of opthalmic nerve ? A. Lacrimal nerve B. Nasociliary nerve C. Frontal nerve D. long ciliary nerve 27. which of the following considered the highest structure in the orbit? A. Lacrimal nerve B. Nasociliary nerve C. Frontal nerve D. long ciliary nerve 28. Which of the following shape name is used to explain the orbital cavity : A. Round B. Pyramidal C. Square D. Linear 29. the orbital system is encapsulated by? A. skin B. muscls C. orbital facia D. bone 30. the orbital cavity communicate with Anterior cranial fossa via? A. Superior orbital fissure B. Inferior orbital fissure C. Posterior and anterior ethmoidal canals D. Nasolacrimal canal 31. What is the main function of the orbital system? A) Regulate blood flow B) Protect and support the eye C) Transmit sound D) Digest food 32. What is the bony socket that houses the eye called? A) Retina B) Pupil C) Orbit D) Cornea 33. How many bones form the orbital structure? A) 4 B) 7 C) 9 D) 12 34. Which of the following is NOT part of the orbital system? A) Optic nerve B) Eyelid C) Lens D) Lungs 35. Which nerve provides most of the sensory input to the orbital system? A) Optic nerve (CN II) B) Trochlear nerve (CN IV) C) Trigeminal nerve (CN V) D) Vagus nerve (CN X) 36. What is the name of the thin membrane covering the front of the eye and inside of the eyelids? A) Cornea B) Conjunctiva C) Sclera D) Retina 37. What is the primary function of the optic nerve? A) Protect the eye B) Provide nutrients to the eye C) Transmit visual information to the brain D) Move the eye in the socket 38. Which bone is NOT involved in forming the orbit? A) Frontal bone B) Zygomatic bone C) Temporal bone D) Maxilla 39. Which artery primarily supplies blood to the orbital system? A) Carotid artery B) Ophthalmic artery C) Brachial artery D) Pulmonary artery Answer: B) Ophthalmic artery 40. What is the purpose of the lacrimal bone in the orbital system? A) Support the eye muscles B) Assist in tear drainage C) Protect the optic nerve D) Form the roof of the orbit