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CNS 1st quiz

1-The nerve that provides motor supply to the tongue emerges from the cranium through a canal in the ___ bone:
A.Nasal.
B.Maxilla.
C.Parietal.
D.Lacrimal.
E.Occipital
2-The internal acoustic meatus is a canal within the bone:
A.Occipital.
B.Maxillary.
C.Temporal.
D.Sphenoid.
E.Zygomatic
3-Damage to ______ganglion will cause xerophthalmia(dry eyes):
A.Otic.
B.Ciliary.
C.Stellate.
D.Submandibular.
E.Pterygopalatine.
4-Miosis in Horner’s syndrome is due to lack of innervation from the ______ ganglion:
A.Otic.
B.Ciliary.
C.Cervical.
D.Submandibular.
E.Pterygopalatine.
6-Loss of sensation of skin over the tip of the nose isdue to injury of _______ nerve.
A.Facial.
B.Olfactory.
C.Maxillary.
D.Mandibular.
E.Ophthalmic.
7-Among the nerves of the face, which one of the following is a direct continuation of the maxillary nerve?
A.Lacrimal
B.Infraorbital.
C.Supraorbital.
D.Supratrochlear.
E.Infratrochlear.
8-The maxillary nerve is connected to the Ophthalmic nerve through the ___ nerve:
A.Ganglionic.
B.Infraorbital.
C.InferiorAlveolar.
D.Zygomatico-temporal.
E.Posterior Superior Alveolar.
9-The preganglionic parasympathetic root of the Pterygopalatine ganglion is the _______nerve:
A.Deep petrosal.
B.Lesser occipital.
C.Greater petrosal.
D.Greater occipital.
E.Superficial petrosal.
10-The cricothyroid muscle is innervated by the __ nerve:
A.Hypoglossal.
B-Internal laryngeal.
C.Glossopharyngeal.
D.External laryngeal.
E.Recurrent laryngea
11-The Abducent nerve supplies the _____ muscle:
A.Lateral rectus.
B.Superior tarsal.
C.Superior rectus.
D.Inferior oblique.
E.Superior oblique.
12-The Superior oblique muscle is supplied by the ____ nerve:
A.Frontal.
B.Lacrimal.
C.Abducent.
D.Trochlear.
E.Oculomotor
13-The dilator papillae muscle receives postsynaptic sympathetic innervation through the _______ nerve:
A.Facial.
B.Frontal.
C.Lacrimal.
D.Oculomotor.
E.Long cilliary.
14-The lens is adjusted for near vision by its increased convexity due to the contraction of the _____ muscle
A.Ciliary.
B.Superior rectus.
C.Dilator pupillae.
D.Sphincter pupillae.
E.Levator Palpebrae Superioris.
15-Foramen spinosum is located in the __ of sphenoidal bone:
A.Body.
B.Lesser wing.
C.Sella turcica.
D.Greater wing.
E.Pterygoid plates
16- A patient had lost cutaneous sensation over the angle of the mandible, which nerve is most likely damaged?
A.Mandibular.
B.Ophthalmic.
C.Great auricular.
D.Auricotemporal.
E.Supra clavicular.
17- Cutaneous innervation of the forehead is provided by the ____ nerve:
A.Facial.
B.suprascapular.
C.External nasal.
D.Supratrochlear.
E.Zygomaticofacial.
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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