The nurse uses the whispered voice test to assess a patient’s hearing. The nurse is assessing which cranial nerve?
Cranial Nerve V
Cranial Nerve II
Cranial Nerve VIII
Cranial Nerve IV
The Correct Answer is C
Choice A reason: Cranial Nerve V (trigeminal) controls facial sensation and chewing muscles. It has no role in hearing, which is tested by the whispered voice test, making this an incorrect choice for assessing auditory function.
Choice B reason: Cranial Nerve II (optic) is responsible for vision, not hearing. The whispered voice test evaluates auditory acuity, which is unrelated to visual function, making this an incorrect cranial nerve for the assessment.
Choice C reason: Cranial Nerve VIII (vestibulocochlear) mediates hearing and balance. The whispered voice test assesses the cochlear branch’s ability to transmit sound, making this the correct cranial nerve evaluated by this hearing test.
Choice D reason: Cranial Nerve IV (trochlear) controls the superior oblique eye muscle, affecting eye movement. It is unrelated to hearing, which the whispered voice test assesses, making this an incorrect choice for the described evaluation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: The dose is 25 mg/kg × 10 kg = 250 mg. With 500 mg tablets, 250 mg requires 250 ÷ 500 = 0.5 tablet. This precise calculation ensures the correct dose, minimizing the risk of under- or overdosing, making this the correct choice.
Choice B reason: A 0.75 tablet dose equals 375 mg (0.75 × 500 mg), exceeding the ordered 250 mg. This could lead to toxicity, as Amoxicillin overdosing may cause gastrointestinal or renal issues, making this an incorrect and potentially harmful choice.
Choice C reason: A 1.25 tablet dose equals 625 mg (1.25 × 500 mg), significantly more than the ordered 250 mg. This excessive dose risks severe side effects, including allergic reactions or organ stress, making this an unsafe and incorrect choice.
Choice D reason: A 0.25 tablet dose equals 125 mg (0.25 × 500 mg), less than the ordered 250 mg. This underdose could lead to ineffective treatment, increasing the risk of bacterial resistance, making this an incorrect choice for the prescribed dose.
Correct Answer is C
Explanation
Choice A reason: Homan sign tests for deep vein thrombosis, not balance. Swaying with eyes closed indicates a positive Romberg sign, so this is incorrect for the documented finding.
Choice B reason: Lack of coordination is vague and not specific to the Romberg test, which assesses proprioception. Positive Romberg sign describes the sway, so this is incorrect for documentation.
Choice C reason: A positive Romberg sign is documented when a patient sways or loses balance with eyes closed, indicating proprioceptive or cerebellar issues. This is the correct term for the finding.
Choice D reason: Ataxia describes general movement, not the specific Romberg test outcome. Swaying in this context is a Romberg sign, so this is incorrect for the nurse’s documentation.
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