A patient is unable to taste in the 2/3 anterior of his tongue. Which cranial nerve is affected?

VII

XII

Answer and Explanation

The Correct Answer is A

A. VII: The Facial nerve (VII) is responsible for taste sensation in the anterior two-thirds of the tongue. An inability to taste in this area indicates a dysfunction in this nerve.

B. XII: The Hypoglossal nerve (XII) controls tongue movements but does not involve taste sensation.

C. V: The Trigeminal nerve (V) provides sensation to the face and mouth but is not responsible for taste.

D. II: The Optic nerve (II) is involved in vision, not taste.

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Correct Answer is B

Explanation

A. Focused: A focused assessment targets specific concerns or symptoms rather than including a complete health history and physical examination.

B. Comprehensive: A comprehensive assessment includes both a detailed health history and a thorough physical assessment, providing a complete picture of the patient’s health.

C. Ongoing: Ongoing assessments are periodic evaluations to monitor changes or progress in a patient’s condition, not necessarily encompassing a full health history and physical examination.

D. Emergency: Emergency assessments are conducted quickly to address immediate life-threatening issues, not to gather a full health history or perform a comprehensive physical exam.

A. Head and face B. Mouth and throat C. Mental status examination D. Ears

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.

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A patient is unable to taste in the 2/3 anterior of his tongue. Which cranial nerve is affected?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which type of assessment includes a health history and physical assessment?

Correct Answer is B

Explanation

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

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A patient is unable to taste in the 2/3 anterior of his tongue. Which cranial nerve is affected?