Correct Answer: A

Rationale: Furosemide is a loop diuretic that inhibits the reabsorption of sodium and chloride in the kidneys, leading to increased potassium excretion and potentially causing hypokalemia. Hypokalemia can lead to cardiac irregularities, making it crucial for the practical nurse to monitor the client for this electrolyte imbalance.

Correct Answer: A

Rationale: Sotalol, a medication used for atrial fibrillation, is known to cause bradycardia, which is a slower than normal heart rate. Monitoring the client's heart rate is essential to detect and manage this potential side effect promptly.

Correct Answer: C

Rationale: The effectiveness of metaproterenol, a bronchodilator, is assessed by a decrease in wheezing upon auscultation. Wheezing indicates airway constriction, and a reduction in wheezing signifies improved airflow and bronchodilation due to the medication's action.

Correct Answer: A

Rationale: The correct answer is A: Dry mouth. Tiotropium, a commonly prescribed medication for COPD, can cause dry mouth as a side effect. While it may not be severe, clients should report it if it becomes bothersome. Blurred vision, nausea, and tachycardia are not typically associated with tiotropium use in the context of COPD.

Correct Answer: A

Rationale: Amlodipine can cause peripheral edema, so monitoring for signs of swelling is important.