A 47-year-old woman presents to the PMHNP with a chief complaint of anxiety. She is the primary caretaker for her 79-year-old mother, who has Alzheimer's disease. Which of the following tools will the nurse practitioner use to assess the client's level of anxiety?

Choice A reason: The Beck Anxiety Inventory is a validated self-report measure designed to quantify the severity of anxiety symptoms in adults, making it suitable for assessing this caregiver. Choice B reason: HADS-A is used primarily in hospital settings and may not capture the full range of anxiety in community-based caregivers. Choice C reason: STAI distinguishes state versus trait anxiety, which is informative but less practical for quantifying current symptom severity in clinical settings. Choice D reason: Hamilton Anxiety Rating Scale is clinician-administered and more suitable for psychiatric evaluation rather than a quick assessment for caregiver-related anxiety.