A nurse is assessing a client's cranial nerves. Which method should the nurse use to assess cranial nerve I?

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.