Cranial nerves l human anatomy MCQs for dental students

MCQ on cranial nerves for general human anatomy

1- What is the nerve supply of the thyrohyoid muscle:

a) Ansa cervicalis

b) C1

c) Vagus

d) Mandibular

e) Cervical branch of facial

2- The following muscles are supplied by the facial nerve, except:

A. Anterior belly of digastric

B. Posterior belly of digastric

C. Buccinator

D. Platysma

E. Orbicularis oris

3- The nerves supplying the muscles attached to the styloid process are:

a) Ansa cervicalis mandibular C1 nerve

b) Facial, glossopharyngeal, C1 nerve

c) Facial, glossopharyngeal, hypoglossal

d) Vago-accessory complex, ansa cervicalis, CI nerve

e) Vago-acecssory complex, glossopharyngeal, hypoglossal

4. Hypoglossal nerve is:

a. Purely sensory

b. Purely motor

c. Mixed

d. Spinal nerve

5. All the cranial nerves provide innervation for the structures in the head and neck except are that additionally supplies thorax and abdomen:

a. Glossopharyngeal

b. Spinal accessory

c. Vagus

d. Hypoglossal

6. Cranial nerve which are part of parasympathetic cord via:

a. III, IV, V, VII

b. III, VII, VIII, IX

c. III, VII, IX, X

d. VII, IX, X, XI

7. The glossopharyngeal nerve contributes preganglionic parasympathetic fibers to the otic ganglion through which branch:

A. auriculotemporal

B. lesser petrosal

C. greater petrosal

D. greater auricular

E. buccal

8. The stapedius muscle of the middle ear is innervated by:

A. facial nerve (V II)

B. trigeminal nerve (V)

C. glossopharyngeal nerve (IX)

D. vagus nerve (X)

E. hypoglossal nerve (XII)

9. The tympanic cavity (middle ear):

A. contains a component of the glossopharyngeal nerve (CN IX) on its medial wall

B. contains a component of the facial nerve (CN VII) on its lateral wall

C. is continuous with the mastoid portion of the temporal bone via the aditus antrum

D. both A & B

E. all of the above (A—D)

10. The facial nerve

a. Arises from medulla oblongata

b. Transverses through parotid gland

c. Supplies muscle of mastication

d. Carries no taste fibers

11. Facial nerve is

a. Motor

b. Sensory

c. Parasympathetic

d. Mixed

12. Which of the following muscles is supplied by cervical nerves ?

A. Buccinator.

B. Digastric.

C. Hyoglossus.

D. Omohyoid.

E. Temporalis

13. Which of the following is a spinal nerve?

A. Mental.

B. Great auricular.

C. Infratrochlear.

D. Infraorbital.

E. Auricuolotemporal.

14- During surgery for a parotid tumor, one of the terminal branches of the facial nerve is injured. Which of the following muscles is most likely paralyzed?

a) Buccinator

b) Tensor tympani

c) Stapedius

d) Stylohyoid

e) posterior belly of digastric

15. The tympanic plexus:

A. contains preganglionic parasympathetic fibers that make synaptic connections in the otic ganglion .

B. is a component of the glossopharyngeal nerve (CN IX)

C. both A and B

D. neither A nor B .

16. The glossopharyngeal nerve contributes preganglionic parasympathetic fibers to the otic ganglion through which branch:

A.        auriculotemporal

B.        lesser petrosal

C.        greater petrosal

D.        greater auricular

E.         buccal

17. The cranial nerve that is sensory to the carotid body and sinus is the

a. trigeminal          

b. facial

c. hypoglossal       

d. glossopharyngeal

e. vagus

18. The stapedius muscle of the middle ear is innervated by:

A.        facial nerve (V II)

B.        trigeminal nerve (V)

C.        glossopharyngeal nerve (IX)

D.        vagus nerve (X)

E.         hypoglossal nerve (XII)

19. The tympanic cavity (middle ear): 

A.        contains a component of the glossopharyngeal nerve (CN IX) on its medial wall

B.        contains a component of the facial nerve (CN VII) on its lateral wall

C.        is continuous with the mastoid portion of the temporal bone via the aditus antrum

D.        both  A & B

E.         all of the above (A—D)

20. The nerve which carries sensations of taste from the area of the tongue posterior to the row of vallate papillae is

a.         chorda tympani (from VII)

b.         branches of vagus (X)

c.         glossopharyngeal nerve (IX)

d.         the buccal branh of V-3

21. The otic ganglion contains synapses of preganglionic fibers with post ganglionic fibers of:

a.         the chorda tympani nerve

b.         nerve to the mylohyoid muscle

c.         tensor tympani nerve

d.         glossopharyngeal nerve

e.         none of the above

22. Taste sensations from the anterior 2/3 of the tongue travel through a branch of the:

A.        7th  cranial nerve

B.        glossopharyngeal nerve

C.        V-2

D.        cranial nerve 11

E.         mental nerve

23. Nerve carry the parasympathetic fibers to the parotid gland is:

A.        Vagus

B.        Facial

C.        Glossopharyngeal

D.        Trigeminal

E.         Accessory

24. The following structure lies deep to hypoglossus muscle:

A.        The hypoglossal nerve

B.        The stylomandibular ligament

C.        The transverse facial artery

D.        The glossopharyngeal nerve

E.         The submandibular duct

25. The cranial nerve that innervates the mucosa of the tympanic cavity is the :

a.  Trigeminal               

b.  facial

c.  glossopharyngeal      

d.  vagus

e.  auditory