Applied Surgical Anatomy Past Paper PDF - Fall 2024 Revision - 60 MCQ

Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ  Choose the correct answer 1. Gonial angle is the angle between____________________________________________ a) The head and the neck of the condyle of the ramus b) The ramus and the body of the mandibl...

Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ  Choose the correct answer 1. Gonial angle is the angle between____________________________________________ a) The head and the neck of the condyle of the ramus b) The ramus and the body of the mandible c) The ramus and coronoid process of the mandible ed d) The ramus and the neck of the condyle 2. Which of the following is not a clinical feature of unilateral ankylosis of the TMJ? a) Deviation of the mandible to the affected side b) Facial asymmetry known as bird face appearance m c) Limitation of the mouth opening d) Malocclusion with difficult mastication 3. Anterior disc displacement is a type of internal derangement of the TMJ. Anterior ta disc displacement is a sign & symptom of TMJ dysfunctions or disorders. a) Both statements are true ou b) Both statements are false c) The 1st statement is true and the 2nd statement is false d) The 1st statement is false and the 2nd statement is true 4. A 24-years old patient presented to oral surgery clinic suffering from pain and M tenderness in the TMJ with reciprocal clicking of TMJ. What is the provisional diagnosis of this case? a) Anterior disc displacement without reduction b) Anterior disc displacement with reduction al c) Bilateral TMJ ankylosis d) Bilateral TMJ dislocation 5. Preauricular skin incision should be made in a periauricular skin creases. It should am be ending before the lobule of the ear to avoid injury to trigeminal nerve. a) The 1st statement is true & the 2nd statement is false. b) The 1st statement is false & the 2nd statement is true. c) Both statements are true G d) Both statements are false 6. In patients with TMJ dislocation the condyle becomes dislocated outside of the glenoid fossa and becomes abnormally located ________________________________ a) Posterior to the articular eminence r. b) Anterior to the articular eminence c) Lateral to the articular eminence.D d) Medial to the articular eminence 7. Which of the following muscles are responsible for side to side “lateral” movements of the mandible? a) Pterygoid muscles of b) Buccinator muscles c) Temporalis muscles d) Masseter muscles Pr Page 1 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 8. Patients presented to oral surgery clinic with unilateral condylar fracture usually suffering from the following except________________________________________ a) Midline shift of the mandible b) Limited lateral movements of the mandible c) Deviation of the mandible to the contralateral side ed d) Tenderness on palpation of the affected condyle 9. The common finding in patients suffering from traumatic injuries of the jaw associated with bilateral condylar fracture is _________________________________ a) Deviation of the mandible to the contralateral side m b) Deviation of the mandible to the ipsilateral side c) Midline shift of the mandible to the ipsilateral side d) Limited lateral movements of the mandible ta 10. Which of the following is a rare type of mandibular fracture following RTA? a) Symphyseal fracture of the mandible ou b) Para symphyseal fracture of the mandible c) Fracture coronoid of the mandible d) Fracture body of the mandible 11. Dentoalveolar fracture is a type of mandibular fracture involving part of the alveolar M processes that supporting the affected teeth. On clinical examination of patients with dentoalaveolar fracture the lower border of the mandible is always discontinued and displaced with evidence of step deformity a) Both statements are true al b) Both statements are false c) The 1st statement is true and the 2nd statement is false d) The 1st statement is false and the 2nd statement is true am 12. IMF technique in the management of patients with mandibular fracture is referred to____________________________________________ a) Intramaxillary fixation b) Intermaxillary fixation G c) Intermandibular fixation d) Indirect mandibular fixation 13. A step-in mandibular dentition at premolar area with malocclusion following mandibular trauma in adult patient is a sign of _______________________________ r. a) Direct mandibular body fracture b) Indirect mandibular body fracture.D c) Displaced mandibular body fracture d) Undisplaced mandibular body fracture 14. The muscles of mastication are the following except_____________________________ a) Temporalis muscle of b) Masseter muscle c) Buccinator muscle d) Pterygoid muscle Pr Page 2 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 15. Facial asymmetry with shifting of the jaw to the left side in patients with TMJ ankylosis is diagnostic for _________________________________________ a) Unilateral ankylosis of the left TMJ b) Unilateral ankylosis of the right TMJ c) Bilateral bony ankylosis of both the right TMJ and left TMJ ed d) Bilateral fibrous ankylosis of both the right TMJ and left TMJ 16. In patients with TMJ ankylosis at the right side of the jaw, the mandible of the patient is shifted towards? a) Right side. m b) Left side. c) Normal side. d) Unaffected side. ta 17. Closed lock of TMJ is a medical term that describes patients with? a) Anterior disc displacement with reduction ou b) Unilateral TMJ ankylosis c) Bilateral TMJ dislocation d) None of the above 18. Twenty-two years old female presented to oral surgery clinic with bilateral TMJ M dislocation. The oral & maxillofacial surgery specialist decide to reduce the dislocated joints to their normal anatomical position inside the glenoid fossa. Which direction should he move the dislocated mandible to reduce it? a) Upward, backward, and downward al b) Backward, downward, and upward c) Downward, forward, and upward d) Downward, backward, and upward am 19. Bell’s palsy is usually due to? a) Unilateral dislocation of TMJ b) Unilateral bony ankylosis of TMJ c) Unilateral fibrous ankylosis of TMJ G d) None of the above 20. To avoid injury of the mandibular branch of the facial nerve, submandibular skin incision should be made 2-4 mm below & parallel to the inferior border of the mandible. The mandibular branch of the facial nerve is a motor nerve. r. a) Both statements are true b) Both statements are false.D c) The 1st statement is true & the 2nd statement is false d) The 1st statement is false & the 2nd statement is true 21. A patient presented to oral surgery clinic suffers from forceful trauma to the symphysis at the midline of the mandible. On clinical examination symphyseal of fracture was only detected. This type of fracture is known as___________________ a) Direct fracture b) Indirect fracture Pr c) Displaced fracture d) Undisplaced fracture Page 3 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 22. A patient presented to oral and maxillofacial surgery clinic with mandibular fracture. On clinical examination a step deformity was detected at the inferior border of the mandible at the lower premolar area. This clinical finding refers is highly indicative and diagnostic for_____________________________________________ a) Mandibular body fracture without displacement ed b) Mandibular body fracture with displacement c) Mandibular para symphyseal fracture without displacement d) Mandibular para symphyseal fracture with displacement 23. MMF in management of mandibular fracture is referred to______________________ m a) Monomandibular fixation b) Monomaxillary fixation c) Maxillomandibular fixation ta d) None of the above 24. The following are considered the natural anatomic areas of weakness of the mandible ou except __________________________________________ a) Neck of the condyle of the mandible b) Internal oblique or mylohyoid ridge c) Angle of the mandible M d) Area of mental foramen & mandibular foramen 25. The most common site of mandibular fracture in healthy adult patients with normal anatomy of the mandible is______________________________________ a) Condylar fracture al b) Coronoid fracture c) Dentoalaveolar fracture d) None of the above am 26. ORIF as a surgical technique for the management of displaced mandibular body fracture is referred to____________________________________________ a) Open reduction & indirect fixation b) Open reduction & internal fixation G c) Open reduction & intermaxillary fixation d) Open reduction & international fixation 27. A patient presented to your clinic suffers from trauma to the midline of the mandible. On clinical examination bilateral condylar fracture was only detected. This type of r. fracture is known as________________________ a) Indirect fracture.D b) Direct fracture c) Displaced fracture d) Undisplaced fracture 28. Indirect mandibular fracture is a type of fracture that occur away from the site of of trauma affecting mandible. An example of the indirect fracture is unilateral condylar fracture when the mandible is subjected to trauma at the chin region a) Both statements are true Pr b) Both statements are false c) The 1st statement is true & the 2nd statement is false d) The 1st statement is false & the 2nd statement is true Page 4 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 29. When the mandible is subjected to trauma the external surface of the mandible is subjected to tension forces. However, the internal surface of the mandible is subjected to compression forces a) Both statements are true b) Both statements are false ed c) The 1st statement is true & the 2nd statement is false d) The 1st statement is false & the 2nd statement is true m 30. Which the following signs & symptoms is not a common finding in patients presented with mandibular fracture? a) Pain & tenderness ta b) Ecchymosis & bruises c) Weight loss & abdominal cramps ou d) Malocclusion & facial asymmetry 31. Ecchymosis & bruises as common findings of mandibular body and angle fractures are due to ____________________________________ a) Extravasation of blood from injured capillaries M b) Rapture of RBCs and release of hemoglobin c) Formation of hemosiderin from hemoglobin inside the tissue d) All of the above 32. Which of the following is not a common finding in patients with unilateral condylar al fracture? a) Deviation of the mandible & midline shift toward the ipsilateral side b) Absence of condyle movement on the palpation at the ipsilateral side am c) Pain & tenderness on the palpation of the condyle at the ipsilateral side d) None of the above 33. Which of the following is common finding in patients with bilateral condylar fracture? G a) Deviation of the mandible b) Shift in the mandibular midline on opening of the mandible c) All of the above d) None of the above r. 34. RTA is a common cause of mandibular fracture. RTA is referred to_____________________.D a) Road train affection b) Road telescopic accident c) Retrograde traffic accident d) None of the above of 35. Which of the following is a common type of mandibular fracture following MVA? a) Coronoid fracture Pr b) Ramus fracture c) Dentoalveolar fracture d) Angle fracture Page 5 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 36. Natural anatomic areas of strength of the mandible are the following except________________________________________ a) External oblique ridge b) Mylohyoid ridge c) Superior border of the mandible ed d) Inferior border of the mandible 37. Natural anatomic areas of strength of the mandible are mainly composed of ______________________________________ a) Spongy bone m b) Compact bone c) Spongy & compact bone d) Cancellous & compact bone ta 38. Natural anatomic area of strength of the mandible is_____________________________ ou a) Neck of the condyle b) Angle of the mandible with deep impacted third molar c) Area of mental foramina d) None of the above M 39. The application of gentle bimanual pressure over the angle regions of the mandible can unmask a minimally displaced fracture in the anterior region of the mandible. a) True b) False al 40. Common site for laceration in mandibular trauma is under the chin. This finding should alter the clinician to the possibility of an associated condylar neck fracture and/or symphysis fracture am a) True b) False 41. Eternal oblique ridge and internal oblique ridge are amongst anatomical areas of strength of the mandible. G a) True b) False 42. Mental foramen area and angle of the mandible are amongst anatomical areas of weakness of the mandible. r. a) True b) False.D 43. Management of mandibular fracture is carried by______________________________ a) IMF b) MMF c) ORIF of d) All of the above 44. In patients with TMJ ankylosis at the right side of the jaw, the mandible of the patient is shifted towards? Pr a) Right side. b) Left side. c) Contralateral side. d) Normal side. Page 6 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 45. Closed lock of TMJ is a medical term that describes patients with? a) Anterior disc displacement with reduction b) Anterior disc displacement without reduction c) Unilateral TMJ dislocation d) Bilateral TMJ dislocation ed 46. Bird face appearance is a diagnostic sign of? a) Unilateral fibrous TMJ ankylosis b) Unilateral bony TMJ ankylosis c) Unilateral TMJ dislocation m d) None of the above 47. Reciprocal clicking of TMJ is a diagnostic sign & symptom of? a) Anterior disc displacement with reduction ta b) Anterior disc displacement without reduction c) Unilateral facial nerve paralysis ou d) Bilateral TMJ dislocation 48. To reduce the dislocated mandible to its normal site in patients with bilateral TMJ dislocation, the dentist should move the mandible in the following direction? a) Upward, backward, and downward M b) Downward, backward, and upward c) Backward, downward, and upward d) Downward, forward, and upward 49. In unilateral TMJ dislocation, if the patient suffers from dislocated condyle on the right al side, the mandible of the patient will be shifted toward? a) Right side b) Left side. am c) Ipsilateral side. d) Dislocated side 50. Preauricular skin incision should be made in a periauricular skin creases. It should be ending before the lobule of the ear to avoid injury to branches of facial nerve. G a) The 1st statement is true & the 2nd statement is false. b) The 1st statement is false & the 2nd statement is true. c) Both statements are true d) Both statements are false r. 51. Bell’s palsy is usually due to? a) Unilateral dislocation of TMJ.D b) Unilateral anterior disc displacement without reduction c) Unilateral affection and/or paralysis of the facial nerve d) Unilateral TMJ bony or fibrous ankylosis 52. TMJ dislocation is a painful condition that occurs when the condyle becomes displaced out of of the glenoid fossa and becomes fixed? a) Anterior to the articular eminence b) Posterior to the articular eminence Pr c) Lateral to the articular eminence d) Medial to the articular eminence Page 7 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 53. To avoid injury of the mandibular branch of the facial nerve, submandibular skin incision should be made? a) 0.5 – 1.5 cm below & parallel to the inferior border of the mandible b) 0.5 – 1.5 cm above & parallel to the inferior border of the mandible c) 2 – 4 cm below & parallel to the inferior border of the mandible ed d) 2 – 4 cm below & parallel to the inferior border of the mandible 54. ORIF as a surgical technique for management of mandibular fracture is considered as_________________________________technique _____________________________________________ m a) External fixation b) Indirect fixation c) Non-rigid fixation ta d) Rigid fixation 55. MMF as a surgical technique for management of mandibular fracture is considered as ou ________________________________technique a) Internal fixation b) Direct fixation c) Non-rigid fixation M d) Rigid fixation 56. IMF as a surgical technique for management of mandibular fracture is considered as __________________________________technique a) Internal fixation al b) Direct fixation c) Rigid fixation d) None of the above am 57. ____________________________is responsible for anteromedial displacement of the fractured condyle a) Lateral pterygoid muscle b) Medial pterygoid muscle G c) Temporalis muscle d) Masseter muscle 58. Lateral pterygoid muscle pull is responsible for ______________________displacement of the fractured condyle r. a) Antrolateral b) Postrolateral.D c) Anteromedial d) Postromedial 59. ____________________________are responsible for upward displacement of the ramus toward the base of the skull in patients with displaced condylar fracture of a) Lateral pterygoid muscle and medial pterygoid muscle b) Masseter muscle and medial pterygoid muscle c) Lateral pterygoid muscle and temporalis muscle Pr d) Lateral pterygoid muscle and masseter muscle Page 8 of 9  Degree Y1 _S1 _BUE Applied Surgical Anatomy _Fall 2024 Revision _60 MCQ 60. Masseter muscle and medial pterygoid muscle are responsible for __________________ displacement of the ramus in patients with displaced condylar fracture a) Downward b) Upward c) Lateral ed d) Medial m ta ou M al am G r..D of Pr Page 9 of 9