What does an abnormal finding in the assessment of cranial nerve VII (Facial nerve) indicate?

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Question 1 of 5

What does an abnormal finding in the assessment of cranial nerve VII (Facial nerve) indicate?

Correct Answer: A

Rationale: Facial asymmetry or difficulty with facial expressions indicates dysfunction of cranial nerve VII (Facial nerve). Clear facial movements, normal taste sensation, and equal pupils are normal findings.

Question 2 of 5

When assessing a patient's level of consciousness, which response would indicate a decreased level of consciousness?

Correct Answer: A

Rationale: A drowsy patient who can be easily aroused indicates a decreased level of consciousness. Alertness, quick responses, and full wakefulness are normal findings.

Question 3 of 5

If a patient displays a positive Babinski sign, the nurse should:

Correct Answer: A

Rationale: A positive Babinski sign in an adult indicates possible neurological dysfunction and requires documentation and further evaluation. Ignoring the finding or assessing unrelated parameters is inappropriate.

Question 4 of 5

The diameter of a motor nerve fibre is

Correct Answer: D

Rationale: Motor nerve fibers, such as alpha motor neurons, typically have a diameter of 12-20 micrometers. Larger diameters allow for faster conduction of action potentials.

Question 5 of 5

The vagus nerve

Correct Answer: B

Rationale: The vagus nerve receives motor fibers from the nucleus ambiguus, which also contributes to the accessory nerve. It innervates muscles of the pharynx and larynx.

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