When assessing the corneal reflex, the nurse realizes this reflex ...

[Capo]

When assessing the corneal reflex, the nurse realizes this reflex is a function of which cranial nerve (CN)?
 
  1. CN II
  2. CN III
  3. CN IV
  4. CN V

Question 2

The nurse realizes that a client, diagnosed with chronic dry eyes, may have a disorder of the lacrimal gland because it:
 
  1. covers the eye for protection.
  2. produces tears to lubricate the eye.
  3. helps the eye keep its shape.
  4. provides blood to the eye.

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Answer to Question 1

4
The stimulation of the trigeminal nerve (CN V) causes the corneal reflex, a protective blink. Cranial nerves II, III, or IV do not control the corneal reflex.

Answer to Question 2

2
The lacrimal gland moistens the eye by producing and distributing tears to lubricate the eye. The lacrimal gland does not cover the eye for protection, help the eye keep its shape, or provide blood to the eye.

[Capo]

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