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 D

Explanation

Choice A reason: Slow venous return causes edema, not deep, painful wounds. This venous issue lacks the arterial insufficiency link to tissue necrosis, misaligning with the circular ulcer’s ischemic profile, which requires oxygen delivery, not just drainage, here fully.

Choice B reason: Osmotic pressure disruption affects fluid balance, not localized wounds. This systemic issue doesn’t explain a toe ulcer’s depth and pain, missing the vascular supply deficit driving tissue breakdown in this specific extremity finding entirely and clearly.

Choice C reason: Lymphatic blockage or infection causes swelling or lymphangitis, not deep, circular wounds. This lacks the ischemic etiology of toe ulcers, which stem from arterial insufficiency, not lymphatic dysfunction, distinguishing it from the observed pathology here fully.

Choice D reason: Inadequate arterial blood supply, as in peripheral artery disease, causes deep, painful toe ulcers due to tissue ischemia. Poor oxygen delivery leads to necrosis, matching the wound’s characteristics, making this the most likely etiology accurately and precisely.

A. Prolonged tonsillar enlargement B. History of allergies C. Incomplete immunization record D. History of epistaxis nosebleeds

Correct Answer is B

Explanation

Choice A reason: Prolonged tonsillar enlargement may cause throat issues or obstruction, but rhinorrhea stems from nasal inflammation, not tonsils. This focuses on oropharyngeal anatomy, missing the direct nasal etiology tied to runny nose in upper airway complaints here entirely.

Choice B reason: Allergies trigger nasal inflammation via histamine, causing rhinorrhea as IgE-mediated mast cells release mediators. A history of this is key, directly linking environmental triggers to the client’s runny nose, making it the most relevant assessment area accurately.

Choice C reason: Incomplete immunizations increase infection risk, but rhinorrhea more commonly ties to allergies or viruses than vaccine-preventable diseases here. This is less specific to the symptom’s etiology without fever or systemic signs, reducing its pertinence significantly.

Choice D reason: Epistaxis (nosebleeds) relates to vascular fragility, not mucus production like rhinorrhea. Past bleeding doesn’t explain runny nose, focusing on a separate nasal issue, making it less relevant to the upper airway complaint’s root cause in this case 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?

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Naxlex Comprehensive Predictor Exams

The nurse's inspection of a client's extremities reveals a deep, circular, painful wound on the client's great toe. What should the nurse suspect as the etiology of the client's wound?

Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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