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Old 10-03-2011
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Default Anatomy questİon

A patient has a painful ulcer on the tip of his tongue. Which of the following cranial nerves carries the pain sensation he experiences?
A. V2
B. V3
C. VII
D. IX
E. X
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  #2  
Old 10-03-2011
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The answer is B
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Old 10-03-2011
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•B. V3 trigeminal ( mandbular branch ) nerve
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Old 10-03-2011
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Quote:
Originally Posted by l2sweedan View Post
A patient has a painful ulcer on the tip of his tongue. Which of the following cranial nerves carries the pain sensation he experiences?
A. V2
B. V3
C. VII
D. IX
E. X
its B sureeeeeee ......
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Default anatomy

yes corret answer is B..
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Old 10-04-2011
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The correct answer is B. The innervation of the tongue is complex. The mandibular division of the trigeminal nerve (V3) carries general somatic sensation from the anterior two-thirds of the tongue.
The maxillary division (V2, choice A) carries somatic sensation from the palate, upper gums, and upper lip.
The facial nerve (VII, choice C) carries taste from the anterior two-thirds of the tongue.
The glossopharyngeal nerve (IX, choice D) carries sensation and taste from the posterior one-third of the tongue.
The vagus nerve (X, choice E) carries sensation from the lower pharynx.
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