A nurse is collecting data from client who has just begun therapy with alprazolam to treat anxiety. The nurse should observe the client for which of the following adverse effects of this medication?

A. Alprazolam, a benzodiazepine, typically doesn't cause hypertension. Its primary mechanism of action involves modulation of GABA receptors in the central nervous system, leading to anxiolytic effects rather than effects on blood pressure regulation. B. There's no documented association between alprazolam use and hearing loss. Benzodiazepines like alprazolam primarily affect the central nervous system and do not target auditory structures. C. Sedation is a common side effect of alprazolam due to its CNS depressant properties. Patients often experience drowsiness, fatigue, and impaired cognitive function, especially when initiating therapy or when doses are increased. D. Alprazolam typically doesn't cause bradycardia. While it can have mild effects on heart rate, such as tachycardia, significant bradycardia is not a documented adverse effect.