A nurse is reinforcing teaching with a client who has an ankle injury and requires crutches. Which of the following instructions should the nurse provide?

A. Thrombocytopenia: Neither atenolol nor nitroglycerin is commonly associated with thrombocytopenia. This is not the primary concern when these two medications are used together.

B. Dry cough: A dry cough is a known side effect of ACE inhibitors (e.g., enalapril), but it is not commonly associated with atenolol or nitroglycerin.

C. Hypotension: Both atenolol (a beta-blocker) and nitroglycerin (a vasodilator) can lower blood pressure. When taken together, there is an increased risk of hypotension, especially when standing up quickly. The nurse should monitor the client for symptoms of low blood pressure such as dizziness, fainting, or lightheadedness.

D. Hyperglycemia: Atenolol may mask signs of hypoglycemia in clients with diabetes, but it does not directly cause hyperglycemia. Nitroglycerin is not typically associated with hyperglycemia either. Therefore, hyperglycemia is not a concern in this scenario.

A. "Define the problem.": While defining the problem is important in the early stages of performance improvement, evaluating effectiveness requires looking at data or outcomes, not just the initial identification of the issue.

B. "Identify data collection methods.": Identifying data collection methods is part of the planning phase, but evaluating the effectiveness involves reviewing actual data to see if the goals of the program were achieved.

C. "Perform chart audits.": This is correct. Performing chart audits allows the nurse to assess if the desired improvements have been implemented and whether the performance outcomes are being met. Chart audits are a common method for evaluating the effectiveness of a performance improvement program.

D. "Review the facility's policy and procedure manual.": While reviewing policies is important for understanding standards of care, it does not directly evaluate the effectiveness of a performance improvement program. Data from actual practice, such as chart audits, would be more relevant for evaluation.