Facial Expressions and Muscles
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Facial Expressions and Muscles

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Questions and Answers

Which facial bone is the only movable bone?

  • Zygomatic
  • Maxilla
  • Frontal
  • Mandible (correct)

    • Which branch of the trigeminal nerve is responsible for motor functions?

  • V2/Vii
  • Mandibular (correct)
  • Ophthalmic
  • Maxillary

    • What is the cause of Trigeminal Neuralgia in 9 out of 10 cases?

  • Infection of the trigeminal nerve
  • Tumor on the nerve
  • A blood vessel pressing on the root of the nerve (correct)
  • Trauma to the face

    • Which artery supplies blood to the head and face?

    <p>External carotid artery</p> Signup and view all the answers

    Which nerve innervates the skin of the forehead?

    <p>Ophthalmic</p> Signup and view all the answers

    What is the name of the medication used to calm the pain of Trigeminal Neuralgia?

    <p>Carbamazepine</p> Signup and view all the answers

    What is unique about the insertion of muscles of facial expression?

    <p>They insert into the skin</p> Signup and view all the answers

    What is the primary function of the facial nerve (VII)?

    <p>Control of muscles of facial expression</p> Signup and view all the answers

    What is the name of the condition that results in paralysis of the muscles on one side of the face due to swelling of the facial nerve?

    <p>Bell's Palsy</p> Signup and view all the answers

    What is the location of the parotid duct?

    <p>On the masseter and pierces buccinator</p> Signup and view all the answers

    What is the significance of the loose connective tissue layer of the scalp?

    <p>It allows bacteria or fluid to pass freely from the posterior aspect of the scalp into the eyelids</p> Signup and view all the answers

    What is the location of the terminal branches of the external carotid artery?

    <p>In the parotid gland</p> Signup and view all the answers

    What is the origin of the facial artery?

    <p>External carotid artery</p> Signup and view all the answers

    What is the significance of the facial vein in clinical terms?

    <p>It has a direct connection to the ophthalmic vein and the cavernous sinus</p> Signup and view all the answers

    What is the path of the inferior alveolar artery?

    <p>It branches off the internal maxillary artery and descends to the mandibular foramen</p> Signup and view all the answers

    What is the destination of the angular artery?

    <p>The medial commissure of the eye</p> Signup and view all the answers

    What is the significance of the connection between the facial vein and the ophthalmic vein?

    <p>It allows for the infection of internal cranial structures</p> Signup and view all the answers

    What is the relationship between the middle meningeal artery and the ophthalmic artery?

    <p>The middle meningeal artery anastomoses with the ophthalmic artery</p> Signup and view all the answers

    Which branch of the trigeminal nerve provides sensory innervation to the antero-superior nasal cavity mucosa?

    <p>V1 (Ophthalmic)</p> Signup and view all the answers

    Which facial bone forms the upper jaw?

    <p>Maxilla</p> Signup and view all the answers

    What is the sensory distribution of the mandibular branch (V3) of the trigeminal nerve?

    <p>Skin of temple and most of skin over lower jaw</p> Signup and view all the answers

    What is the typical symptom of Trigeminal Neuralgia?

    <p>Bursts of sudden, severe pains on one side of the face</p> Signup and view all the answers

    Which foramen is involved in the cutaneous innervation of the face by the maxillary branch (V2)?

    <p>Infraorbital foramen</p> Signup and view all the answers

    What is the primary treatment for Trigeminal Neuralgia that is resistant to medication?

    <p>Surgery</p> Signup and view all the answers

    What is the primary reason why the parotid gland is painful when swollen?

    <p>The gland is tightly enclosed in fascia</p> Signup and view all the answers

    What happens to the muscles of facial expression in Bell's Palsy?

    <p>They become paralyzed due to swelling of the facial nerve</p> Signup and view all the answers

    What is the significance of the loose connective tissue layer of the scalp?

    <p>It allows bacteria or fluid to pass freely from the posterior aspect of the scalp into the eyelids</p> Signup and view all the answers

    What is the typical age range of adults most commonly affected by Bell's Palsy?

    <p>40s to 50s</p> Signup and view all the answers

    What is the location of the terminal branches of the facial nerve (VII)?

    <p>In the parotid gland</p> Signup and view all the answers

    What is the typical duration of Bell's Palsy?

    <p>One to three months</p> Signup and view all the answers

    What is the primary function of the middle meningeal artery?

    <p>Forming anastomoses with the ophthalmic and lacrimal arteries</p> Signup and view all the answers

    What is the clinical significance of the connection between the facial vein and the ophthalmic vein?

    <p>It allows bacteria to enter the cavernous sinus and cause infection</p> Signup and view all the answers

    What is the destination of the inferior alveolar artery?

    <p>The mandibular foramen</p> Signup and view all the answers

    What is the origin of the facial artery?

    <p>The external carotid artery, just above the lingual artery</p> Signup and view all the answers

    What is the significance of the facial vein in clinical terms?

    <p>It has a direct connection to the cavernous sinus, allowing bacteria to enter the cranial cavity</p> Signup and view all the answers

    What is the relationship between the angular artery and the facial artery?

    <p>The angular artery ends as a continuation of the facial artery</p> Signup and view all the answers

    Which branch of the trigeminal nerve provides sensory innervation to the conjunctiva?

    <p>Ophthalmic (V1)</p> Signup and view all the answers

    What is the primary function of the tensor tympani muscle, which is innervated by the trigeminal nerve?

    <p>Tensor of the tympanic membrane</p> Signup and view all the answers

    Which of the following is NOT a common symptom of Trigeminal Neuralgia?

    <p>Pain that is constant and aching</p> Signup and view all the answers

    Which foramen is involved in the cutaneous innervation of the face by the ophthalmic branch (V1) of the trigeminal nerve?

    <p>Supraorbital foramen</p> Signup and view all the answers

    What is the typical duration of Trigeminal Neuralgia attacks?

    <p>Seconds to minutes</p> Signup and view all the answers

    Which of the following nerves is NOT involved in the cutaneous innervation of the face?

    <p>Facial nerve (VII)</p> Signup and view all the answers

    Which artery forms branches that anastomose with the ophthalmic and lacrimal arteries?

    <p>Middle meningeal artery</p> Signup and view all the answers

    What is the terminus of the facial artery?

    <p>Angular artery</p> Signup and view all the answers

    What is the main difference between the attachment of muscles of facial expression and most other muscles?

    <p>Muscles of facial expression have one bony attachment and one insertion into the skin</p> Signup and view all the answers

    Which vein has a direct connection to the ophthalmic vein and then to the cavernous sinus?

    <p>Facial vein</p> Signup and view all the answers

    What is the primary function of the facial nerve (VII) in relation to the muscles of facial expression?

    <p>To control the muscles of facial expression</p> Signup and view all the answers

    Which branch of the internal maxillary artery descends to the mandibular foramen?

    <p>Inferior alveolar artery</p> Signup and view all the answers

    What is the significance of the connection between the facial vein and the ophthalmic vein?

    <p>It allows for blood to flow from the face to the brain</p> Signup and view all the answers

    What is the consequence of trauma in the back of the head, due to the loose connective tissue layer of the scalp?

    <p>Blood may show up in the eyelids</p> Signup and view all the answers

    What is the typical age range of adults most commonly affected by Bell's Palsy?

    <p>Adults in their 40s</p> Signup and view all the answers

    What is the path of the greater palatine artery?

    <p>From the internal maxillary artery to the roof of the mouth</p> Signup and view all the answers

    What is the relationship between the parotid gland and the facial nerve (VII)?

    <p>The parotid gland contains the terminal branches of the facial nerve (VII)</p> Signup and view all the answers

    What is the typical duration of Bell's Palsy?

    <p>One to three months</p> Signup and view all the answers

    Which artery branches off the internal maxillary artery and forms anastomoses with the ophthalmic and lacrimal arteries?

    <p>Middle meningeal artery</p> Signup and view all the answers

    Which facial vein has a direct connection to the ophthalmic vein and then to the cavernous sinus?

    <p>Facial vein</p> Signup and view all the answers

    What is the destination of the inferior alveolar artery?

    <p>Mandibular foramen</p> Signup and view all the answers

    What is the origin of the facial artery?

    <p>External carotid artery</p> Signup and view all the answers

    What is the relationship between the facial vein and the cavernous sinus?

    <p>The facial vein has a direct connection to the ophthalmic vein, which then drains into the cavernous sinus</p> Signup and view all the answers

    Which branch of the internal maxillary artery descends to the mandibular foramen?

    <p>Inferior alveolar artery</p> Signup and view all the answers

    Which branch of the trigeminal nerve is responsible for sensory innervation to the skin of the temple?

    <p>Mandibular (V3)</p> Signup and view all the answers

    What is the typical characteristic of pain in Trigeminal Neuralgia?

    <p>Sharp, stabbing pain</p> Signup and view all the answers

    Which foramen is involved in the cutaneous innervation of the face by the mandibular branch (V3) of the trigeminal nerve?

    <p>Mental</p> Signup and view all the answers

    What is the primary function of the tensor tympani muscle, which is innervated by the trigeminal nerve?

    <p>Tensing the eardrum</p> Signup and view all the answers

    What is the most common cause of Trigeminal Neuralgia?

    <p>Blood vessel compression</p> Signup and view all the answers

    Which of the following is NOT a common symptom of Trigeminal Neuralgia?

    <p>Itching</p> Signup and view all the answers

    What is the primary function of the facial nerve (VII) in relation to the muscles of facial expression?

    <p>To innervate the muscles of facial expression</p> Signup and view all the answers

    What is the consequence of trauma in the back of the head, due to the loose connective tissue layer of the scalp?

    <p>Blood may show up in the eyelids</p> Signup and view all the answers

    What is the typical age range of adults most commonly affected by Bell's Palsy?

    <p>Adults in their 40s</p> Signup and view all the answers

    What is the significance of the connection between the facial vein and the ophthalmic vein?

    <p>It allows for the drainage of blood from the face into the cavernous sinus</p> Signup and view all the answers

    What is the primary function of the middle meningeal artery?

    <p>To supply blood to the skull</p> Signup and view all the answers

    What is the typical duration of Bell's Palsy?

    <p>One to three months</p> Signup and view all the answers

    What is the significance of the tight fascial enclosure of the parotid gland?

    <p>It makes the gland more prone to painful swelling</p> Signup and view all the answers

    What is the primary reason for the connection between the pterygoid plexus of veins and the cavernous sinus?

    <p>To provide a route for the drainage of blood from the face</p> Signup and view all the answers

    Which of the following is a characteristic of the muscles of facial expression?

    <p>They have a single bony attachment and insert into the skin</p> Signup and view all the answers

    What is the typical duration of Bell's Palsy?

    <p>One to three months</p> Signup and view all the answers

    What is the consequence of trauma in the back of the head, due to the loose connective tissue layer of the scalp?

    <p>Blood accumulation in the eyelids</p> Signup and view all the answers

    What is the primary function of the facial nerve in relation to the muscles of facial expression?

    <p>To control the muscles of facial expression</p> Signup and view all the answers

    What is the primary function of the V3 branch of the trigeminal nerve?

    <p>Mixed innervation of the lower jaw</p> Signup and view all the answers

    Which structure is responsible for the cutaneous innervation of the face through the infraorbital foramen?

    <p>Maxillary branch (V2)</p> Signup and view all the answers

    What is the characteristic of Trigeminal Neuralgia pain?

    <p>Bursts of sudden severe pain</p> Signup and view all the answers

    Which nerve is responsible for the sensory innervation of the conjunctiva?

    <p>Ophthalmic branch (V1)</p> Signup and view all the answers

    What is the primary treatment for Trigeminal Neuralgia that is resistant to medications?

    <p>Surgery</p> Signup and view all the answers

    What is the significance of the connection between the facial vein and the ophthalmic vein?

    <p>Connection to the cavernous sinus</p> Signup and view all the answers

    What is the significance of the connection between the facial vein and the cavernous sinus?

    <p>It allows for infection of the cranial cavity</p> Signup and view all the answers

    What is the destination of the inferior alveolar artery?

    <p>The mandibular foramen</p> Signup and view all the answers

    What is the relationship between the middle meningeal artery and the ophthalmic artery?

    <p>They anastomose with each other</p> Signup and view all the answers

    What is the fate of the facial artery?

    <p>It terminates as the angular artery</p> Signup and view all the answers

    What is the significance of the facial vein in clinical terms?

    <p>It has a direct connection to the cavernous sinus</p> Signup and view all the answers

    What is the origin of the middle meningeal artery?

    <p>The internal maxillary artery</p> Signup and view all the answers

    What is the name of the group of bones that form the face and mandible?

    <p>Viscerocranium</p> Signup and view all the answers

    What is the name of the sinus that is significant in terms of the spread of infection?

    <p>Cavernous sinus</p> Signup and view all the answers

    How many bones form the neurocranium?

    <p>8</p> Signup and view all the answers

    What type of joints do the bones of the skull articulate with?

    <p>Sutures</p> Signup and view all the answers

    Why do the sutures of the skull not fully close until after birth?

    <p>To prevent the thin bone from breaking</p> Signup and view all the answers

    What is the function of the cranium?

    <p>To protect the brain and house the special sensory organs</p> Signup and view all the answers

    Which bone of the neurocranium forms the posterior region of the skull?

    <p>Occipital</p> Signup and view all the answers

    What is the name of the suture that forms the mid-sagittal plane of the skull?

    <p>Sagittal suture</p> Signup and view all the answers

    Which bone articulates with every other cranial bone, as well as the palatine bones, zygomatic bones, maxillae, and vomer?

    <p>Sphenoid</p> Signup and view all the answers

    What is the term for the gap or opening in the skull where the external acoustic meatus is located?

    <p>Meatus</p> Signup and view all the answers

    Which fontanelle is located at the junction of the coronal and sagittal sutures?

    <p>Anterior fontanelle</p> Signup and view all the answers

    What is the term for the bony plates that eventually fuse to form a solid skull?

    <p>Neurocranium bones</p> Signup and view all the answers

    Which bone forms the boundary of the anterior cranial fossa?

    <p>Frontal</p> Signup and view all the answers

    What is the main function of the middle meningeal artery?

    <p>Supplying blood to the scalp</p> Signup and view all the answers

    Which cranial nerve travels through the cavernous sinus?

    <p>Optic nerve</p> Signup and view all the answers

    What is the name of the feature of the sphenoid bone that encloses the pituitary gland?

    <p>Sella turcica</p> Signup and view all the answers

    Which of the following bones forms the posterior cranial fossa?

    <p>Occipital bone</p> Signup and view all the answers

    What is the name of the sinus that drains venous blood from the brain?

    <p>Sigmoid sinus</p> Signup and view all the answers

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