CNS 1st quiz

1-The nerve that provides motor supply to the tongue emerges from the cranium through a canal in the ___ bone:

7-Among the nerves of the face, which one of the following is a direct continuation of the maxillary nerve?

8-The maxillary nerve is connected to the Ophthalmic nerve through the ___ nerve:

9-The preganglionic parasympathetic root of the Pterygopalatine ganglion is the _______nerve:

10-The cricothyroid muscle is innervated by the __ nerve:

13-The dilator papillae muscle receives postsynaptic sympathetic innervation through the _______ nerve:

14-The lens is adjusted for near vision by its increased convexity due to the contraction of the _____ muscle

16- A patient had lost cutaneous sensation over the angle of the mandible, which nerve is most likely damaged?

17- Cutaneous innervation of the forehead is provided by the ____ nerve:

18 -Emissary veins connect the intracranial venous sinuses to

A) veins draining the scalp.

B) veins draining the eye.

C) the pterygoid venous plexus.

D) All of the above areas.

19-The ophthalmic division of the trigeminal nerve

A. Passes through the optic canal.

B. Supplies sensory fibres to the eyeball.

C. Gives parasympathetic fibres to the lacrimal gland.

D. Carries sensory fibres for smell.

E. Supplies the orbicularis oculi muscle.

20-The dural fold seprates the cerebrum from cerebellum is related to all of the following sinuses except: transverse sinus

Sigmoid sinuses

Transverse sinus

Straight sinus

Superior petrosal

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