Nerve Supply of Head and Neck Multiple Choice Questions
1. The oculomotor nerve supplies all the muscles of eye except:
A. Lateral Rectus
B. Superior oblique
C. Superior rectus
Answer:D. Both A and B
2. On applying pressure on angle of jaw while maintaining patent airway, which nerve is likely to be damaged?
A. 6th
Answer:B. 7th
C. 4th
D. 9th
3. All of the following Structures are in the lateral wall of cavernous sinus except:
A. Occulomotor
B. Trochlear
Answer:C. Trigeminal
D. Ophthalmic
4. All of the following structures are related to cavernous sinus except:
Answer:A. 2nd or optic nerve
B. 4th nerve
C. 6th nerve
D. Mandibular division of trigeminal nerve
5. A person has inability to look downwards and laterally. The nerve injured is:
A. Occulomotor
Answer:B. Trochlear
C. Trigeminal
D. Ophthalmic
6. All of the following are true of upper eyelid except:
A. Muscles which close the eyelid are supplied by the facial nerve
Answer:B. Muscles which open the eyelid are supplied by the branch of trigeminal nerve
C. Sensory supply is by the fifth cranial nerve
D. Blood supply is by the lacrimal and ophthalmic arteries
7. Ptosis may occur due to damage to:
A. Trochlear nerve
Answer:B. Occulomotor
C. Trigeminal nerve
D. Superior oblique muscle
8. Paralysis of upper eyelid is due to paralysis of:
Answer:A. III
B. IV
C. V
D. VII
9. The lower lip gets its sensory supply through the:
A. Buccal branch of the facial nerve
B. Buccal branch of the mandibular nerve
C. Mandibular branch of the facial nerve
Answer:D. Mental nerve
10. All of the following structures are associated with branches of the trigeminal nerve EXCEPT the:
A. Foramen Ovale
B. Foramen Rotundum
C. Superior Orbital Fissure
Answer:D. Stylomastoid foramen
11. The structure that is closely related to the posterior end of the mylohyoid ridge is:
Answer:A. Lingual nerve
B. Inferior alveolar nerve
C. Mylohyoid nerve
D. None of the above
12. Maxillary nerve innervates all of the following EXCEPT:
A. Ala of the nose and lower eyelid
B. The upper cheeks
C. Gingiva of the maxilla
Answer:D. Temporomandibular Joint
13. All are true of mandibular nerve except:
A. Sensory branch arises from anterior trunk
Answer:B. Muscles of mastication are innervated by branches of main trunk
C. Nerve to medial pterygoid arises from main trunk
D. Buccal nerve innervates buccinator muscle
14. Tumor infiltrating into the foramen ovale will cause all EXCEPT:
A. Anesthesia of the TMJ
B. Paralysis of the Tensor tympani
C. Paresthesia of the lips
Answer:D. Paralysis of stylohyoid
15. Injury to the motor division of the mandibular nerve will cause paralysis of the following EXCEPT:
A. Medial Pterygoid
B. Masseter
Answer:C. Buccinator
D. Anterior Belly of Digastric
16. All of the following muscles are supplied by the mandibular nerve EXCEPT:
A. Masseter
Answer:B. Buccinator
C. Medial Pterygoid
D. Anterior belly of digastric
17. TMJ is supplied mainly by:
Answer:A. Masseteric and auriculotemporal nerve
B. Superficial temporal nerve
C. Facial nerve peripheral branch
D. Posterior auricular nerve
18. Which of the following nerves are branches of mandibular nerve?
A. Lingual, facial and palatine nerve
Answer:B. Lingual and Inferior alveolar nerve
C. Inferior alveolar and cervical nerves
D. All of the above
19. The otic ganglion:
A. Is in relation to maxillary nerve
B. Receives preganglionic parasympathetic fibers, through the greater superficial petrosal nerve
Answer:C. Sends postganglionic parasympathetic fibers to auriculotemporal nerve
D. Is related to the tensor tymapni
20. The maxillary nerve exits the cranium through which foramen?
A. Ovale
Answer:B. Rotundum
C. Stylomastoid
D. Inferior orbital fissure
21. Mandibular nerve supplies:
Answer:A. Anterior belly of digastric, mylohyoid, tensor tympani, tensor palati
B. Posterior belly of digastric, mylohyoid
C. Stapes, Malleus, Incus
D. Anterior belly of digastric, stapes
22. The nasal septum is supplied by all of the following except:
A. Nasopalatine nerve
Answer:B. Posterior ethmoidal nerve
C. Pterygopalatine ganglion
D. Nasociliary nerve
23. All are branches of the posterior division of mandibular nerve except:
A. Lingual nerve
B. Inferior alveolar nerve
Answer:C. Deep Temporal nerve
D. Mylohyoid nerve
24. Sphenoidal air sinus is supplied by _______ nerve.
Answer:A. Posterior ethmoidal nerve
B. Posterior superior alveolar nerve
C. Sphenoidal nerve
D. Infratemporal nerve
25. Which of the following is not a branch of ophthalmic nerve?
A. Frontal
B. Lacrimal
C. Nasociliary
Answer:D. Medial ethmoid
26. Skin over the prominence of the cheek is supplied by_______ nerve.
Answer:A. Zygomaticofacial
B. Zygomaticotemporal
C. Auriculotemporal
D. Infratrochlear
27. Which of the following is not true regarding trigeminal nerve?
A. Roots of trigeminal nerve are attached to the Pons
B. It has three main divisions
C. Trigeminal nerve supplies the dura mater of middle cranial fossa
Answer:D. The trigeminal ganglion contributes to the sensory root only
28. Which of the following muscles is supplied by mandibular nerve?
A. Stapedius
B. Buccinator
Answer:C. Tensor veli palatini
D. Posterior belly of digastric
29. Inferior alveolar nerve runs:
A. Medial to lateral pterygoid
B. From infratemporal fossa
Answer:C. Lateral to medial pterygoid
D. Lateral to lateral pterygoid
30. Structures passing through the sigmoid (mandibular) notch are:
A. Auriculotemporal nerve
B. Mandibular nerve
Answer:C. Masseteric nerve and vessels
D. Chorda tympani
31. Mandibular anterior division nerve has:
Answer:A. One sensory and all motor branches
B. One motor and all sensory branches
C. All motor branches
D. All sensory branches
32. The fifth nerve innervates the following:
A. Mylohyoid, anterior and posterior belly of digastric
Answer:B. Mylohyoid, anterior belly of digastric and tensor tympani
C. Mylohyoid, posterior belly of digastric and tensor tympani
D. Mylohyoid, posterior belly of digastric, stapedius and tensor tympani
33. All the following nerves are related to the mandible EXCEPT:
A. Lingual nerve
B. Auriculotemporal nerve
Answer:C. Chorda Tympani
D. Mental nerve
34. Motor division of trigeminal nerve comes out via:
A. Foramen spinosum
B. Foramen magnum
Answer:C. Foramen ovale
D. Foramen lacerum
35. The auriculotemporal nerve supplies which gland?
A. Lacrimal gland
Answer:B. Parotid
C. Submandibular
D. Sublingual
36. Nerve supply to temporalis muscle:
A. VIII cranial nerve
Answer:B. V cranial nerve
C. VII cranial nerve
D. II cranial nerve
37. TMJ is supplied by:
Answer:A. Auriculotemporal nerve
B. Buccal branch of facial nerve
C. Inferior alveolar nerve
D. All of the above
38. Ganglion associated with lacrimal gland:
Answer:A. Sphenopalatine
B. Otic ganglion
C. Submandibular ganglion
D. Ciliary ganglion
39. Nerve which hooks around Wharton’s duct is:
A. Mylohyoid nerve
Answer:B. Lingual nerve
C. Auriculotemporal nerve
D. Inferior alveolar nerve
40. Anterior belly of digastric is supplied by:
Answer:A. Branch of mandibular nerve
B. Branch of facial nerve
C. Branch of cervical plexus
D. Hypoglossal nerve
41. Injury to the right mandibular nerve as it passes through foramen ovale produces following effects:
A. Loss of taste from the anterior 2/3rd of the tongue
B. Deviation of the tongue to the left
C. Deviation of the chin to left when mouth is opened
Answer:D. Loss of general sensation to anterior 2/3rd of tongue
42. Afferent sensation from the lower molar teeth is carried by:
A. Facial nerve
Answer:B. Mandibular division of the trigeminal nerve
C. Maxillary division of the trigeminal nerve
D. Motor branch of the facial nerve
43. Masseteric nerve is a branch of:
A. Long buccal nerve
Answer:B. Mandibular division of trigeminal nerve
C. Maxillary division of trigeminal nerve
D. Motor branch of the facial nerve
44. The innervation of the tensor tympani muscle is:
A. Vagus
Answer:B. Mandibular
C. Facial
D. Maxillary
45. Which structure passes through infraorbital fissure?
A. Superior ophthalmic vein
B. Ophthalmic artery
C. Trochlear nerve
Answer:D. Zygomatic nerve
46. Sphenopalatine ganglion does not supply:
A. Nasal mucosae
B. Sublingual gland
C. Ciliary ganglion
Answer:D. Both B and C
47. Sensory supply of pinna is by ________ nerve.
Answer:A. Mandibular
B. Maxillary
C. Facial
D. Abducent
48. Trigeminal nerve has how many nuclei in CNS?
A. Three
Answer:B. Four
C. Five
D. Six
49. Chorda tympani contain:
A. Preganglionic sympathetic fibers
Answer:B. Preganglionic parasympathetic fibers
C. Postganglionic sympathetic fibers
D. Postganglionic parasympathetic fibers
50. Facial nerve has:
A. Motor root only
Answer:B. Motor and sensory root
C. Motor and sympathetic
D. Motor, sympathetic and parasympathetic fibers
51. Branches of facial nerve are:
A. Digastric
B. Stylohyoid
C. Posterior auricular
Answer:D. All of the above
52. All of the following nerves are related to the mandible EXCEPT:
A. Lingual nerve
B. Auriculotemporal nerve
Answer:C. Chorda tympani
D. Mental nerve
53. Which nerve is in close relation with the root of the lower third molar?
A. Inferior alveolar nerve
B. Chorda tympani
Answer:C. Lingual nerve
D. Mylohyoid nerve
54. Anterior belly of digastric is supplied by:
Answer:A. Mylohyoid nerve
B. Branch of facial nerve
C. Branch of cervical plexus
D. Hypoglossal nerve
55. All of the following is true of facial nerve EXCEPT:
A. Supplies motor branches to the muscles of facial expression
Answer:B. It has no sensory component
C. The muscles of the eyelid will be spared in upper motor neuron lesions
D. It is a nerve of 2nd arch
56. All of the following muscles are supplied by the facial nerve EXCEPT:
A. Stapedius
B. Occipitofrontalis
Answer:C. Anterior belly of digastric
D. Buccinator
57. The special visceral afferent fibers of the facial nerve are located in which nuclei:
A. Motor nucleus
B. Nucleus ambiguous
Answer:C. Nucleus of the tractus solitarius
D. Lacrimatory nucleus
58. The nerve supply for motor action of buccinator:
Answer:A. Facial nerve
B. Mandibular nerve
C. Maxillary nerve
D. Auriculotemporal nerve
59. Secretomotor fibers to the submandibular salivary gland are carried in all of the following EXCEPT:
A. Facial
B. Chorda tympani
Answer:C. Mylohyoid
D. Lingual