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ATI LPN · Anatomy and Physiology · Questions About Nervous System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

All of the following are medullary postural reflexes, except:

A. The optical righting reflex

B. The tonic labyrinthine reflex

C. The tonic neck reflex

D. When the head moves to one side

Expert Explanatory Rationale

Correct Answer: The optical righting reflex

Question 2 of 5

A patient scheduled for surgery confides in his nurse the night before that he is 'terribly scared.' Which of the following indicate(s) increased sympathetic activity in this patient:

A. patient complains that his mouth feels dry

B. patient's gown is moist with perspiration

C. his skin looks pale

D. all the above

Expert Explanatory Rationale

Correct Answer: all the above

Question 3 of 5

What is the name for a bundle of axons within a nerve?

A. fascicle

B. tract

C. nerve root

D. epineurium

Expert Explanatory Rationale

Correct Answer: fascicle

Question 4 of 5

Which of the following about the facial nerve is incorrect?

A. Supplies muscles of facial expression

B. Contains fibres destined for the ciliary ganglion

C. Gives the great petrosal nerve

D. Contains taste fibres

Expert Explanatory Rationale

Correct Answer: Contains fibres destined for the ciliary ganglion

Question 5 of 5

Which is not involved in the transmission of perception of pain?

A. substance P

B. thalamus

C. enkephalins

D. none of the above

Expert Explanatory Rationale

Correct Answer: none of the above

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