A decrease in tongue strength is noted on examination of a client. The nurse interprets this as indicating a problem with which cranial nerve?

VIII

XII

III

Answer and Explanation

The Correct Answer is B

Choice A reason: Cranial nerve VIII (vestibulocochlear) governs hearing and balance, not tongue strength. A deficit here causes vertigo or deafness, not motor weakness in the tongue, making it unrelated to the observed decrease in muscle power during examination.
Choice B reason: Cranial nerve XII (hypoglossal) controls tongue movement and strength. Weakness here, as noted, suggests nerve damage, like in stroke or ALS, impairing the tongue’s ability to push against resistance, directly explaining the finding accurately.
Choice C reason: Cranial nerve VI (abducens) moves the eye laterally, not the tongue. A problem here causes diplopia, not tongue weakness, disconnecting it from the motor function loss observed in the client’s oral examination entirely here.
Choice D reason: Cranial nerve III (oculomotor) controls eye movement and pupil response, not tongue strength. Its dysfunction leads to ptosis or eye deviation, irrelevant to the tongue’s motor impairment noted in this neurological assessment fully.

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Correct Answer is B

Explanation

Choice A reason: Loss of tactile sensation ties to parietal lobe damage, not frontal. A frontal contusion affects executive function and speech, not sensory processing, making this finding less likely given the injury’s location in this trauma scenario fully.
Choice B reason: Difficulty speaking, like Broca’s aphasia, is common with frontal lobe contusions, as this area houses speech production centers. Post-accident, this aligns with damage to motor speech pathways, making it the most probable finding here accurately.
Choice C reason: Blurred vision relates to occipital or optic nerve injury, not frontal lobe. A contusion here impacts cognition or speech, not visual processing, rendering this less expected than speech issues in this head injury context entirely.
Choice D reason: Inability to hear high-pitched sounds involves cranial nerve VIII or temporal lobe, not frontal. This contusion affects behavior and speech, not auditory function, excluding this as a primary finding in this frontal damage case fully.

A. "Are there any foods that you cannot eat?" B. "What have you eaten in the last 24 hours?" C. "Are any members of your family obese?" D. "How many meals do you eat each day?"

Correct Answer is B

Explanation

Choice A reason: Food restrictions identify allergies or preferences, but not intake patterns. This limits nutritional status insight, missing recent consumption data critical for assessing current health, making it less foundational for this initial evaluation fully here.
Choice B reason: A 24-hour recall details recent intake, offering a snapshot of diet quality and quantity. This directly informs nutritional status, habits, and deficits, making it the most appropriate starting question for a comprehensive assessment accurately here.
Choice C reason: Family obesity history suggests genetic risk, not the client’s nutrition. This indirect data lacks specificity on current intake, rendering it less useful than a direct dietary recall for this nutritional assessment entirely and fully here.
Choice D reason: Meal frequency provides structure, not content or quality. It’s less informative than a 24-hour recall, which captures specifics of what’s eaten, making it secondary for initiating a detailed nutritional evaluation comprehensively here fully.

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A decrease in tongue strength is noted on examination of a client. The nurse interprets this as indicating a problem with which cranial nerve?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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