A nurse is assessing a client's cranial nerves. Which method should the nurse use to assess cranial nerve I?
Ask the client to identify scented aromas.
Ask the click to read a Snellen chart.
Listen to the client's speech.
Ask the client to clench his teeth.
The Correct Answer is A
A. Asking the client to identify scented aromas assesses cranial nerve I (olfactory nerve), which is responsible for the sense of smell.
B. Reading a Snellen chart assesses cranial nerve II (optic nerve), which is related to vision.
C. Listening to the client's speech evaluates the function of cranial nerves V (trigeminal) and XII (hypoglossal), which are related to mastication and tongue movement, respectively.
D. Asking the client to clench his teeth tests cranial nerve V, which innervates the muscles of mastication.
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C. Flat indicates no significant contour changes, which does not apply here.
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Explanation
A. A pustule is a small elevation of the skin that contains pus, typically smaller than 0.5 cm.
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D. A patch is defined as a flat, non-palpable lesion larger than 0.5 cm, and psoriasis can present as patches. Thus, the lesions described fit this classification.