Cranial nerves involved in eye movements are:

Facial, Trigeminal, Vestibulocochlear

Oculomotor, Trochlear, and Abducens

Spinal Accessory, Facial, Trigeminal

Glossopharyngeal, Vagus, Hypoglossal

Answer and Explanation

The Correct Answer is B

A. Facial, Trigeminal, Vestibulocochlear: The Facial nerve (VII) is primarily responsible for facial expressions and taste sensation. The Trigeminal nerve (V) is involved in facial sensation and chewing. The Vestibulocochlear nerve (VIII) deals with hearing and balance, not eye movements.

B. Oculomotor, Trochlear, and Abducens: The Oculomotor nerve (III) controls most of the eye's movements, including constriction of the pupil. The Trochlear nerve (IV) innervates the superior oblique muscle, enabling downward and outward eye movements. The Abducens nerve (VI) controls the lateral rectus muscle, responsible for lateral eye movement.

C. Spinal Accessory, Facial, Trigeminal: The Spinal Accessory nerve (XI) controls neck and shoulder movements, not eye movements. The Facial nerve (VII) and Trigeminal nerve (V) are also not involved in eye movements.

D. Glossopharyngeal, Vagus, Hypoglossal: The Glossopharyngeal nerve (IX) is involved in taste and salivation. The Vagus nerve (X) controls parasympathetic functions and throat muscles. The Hypoglossal nerve (XII) controls tongue movements. None of these nerves are responsible for eye movements.

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Correct Answer is A

Explanation

A. Head and face: Cranial nerve VII (facial nerve) controls the muscles of facial expression, so its motor function is assessed by examining the movement of the face, such as smiling, frowning, or raising eyebrows.

B. Mouth and throat: While cranial nerve VII does innervate some muscles involved in facial expressions that might affect the mouth, a more comprehensive assessment of its motor function occurs in the head and face region.

C. Mental status examination: This assesses cognitive functions rather than specific motor functions of cranial nerves.

D. Ears: The assessment of cranial nerve VII does not typically involve the ears.

A. Mental status examination B. Mouth and throat C. Head and face D. Ears E. Hematocrit 47% (37% to 47%)

Correct Answer is D

Explanation

A. Mental status examination: This part of the assessment evaluates cognitive functions, not sensory functions related to cranial nerve VIII.

B. Mouth and throat: This area assesses cranial nerves related to swallowing and speech but not the sensory function of cranial nerve VIII.

C. Head and face: This includes assessing cranial nerves related to facial sensation and movement but not the auditory function of cranial nerve VIII.

D. Ears: Cranial nerve VIII, the vestibulocochlear nerve, is responsible for hearing and balance, so assessing sensory function related to this nerve occurs during the examination of the ears.

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Cranial nerves involved in eye movements are:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When performing a head-to-toe assessment, during which part would the nurse assess the motor function of cranial nerve VII?

Correct Answer is A

Explanation

When performing a head-to-toe assessment, during which part would the nurse assess the sensory function of cranial nerve VIII?

Correct Answer is D

Explanation

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