Correct Answer: B

Rationale: When taking Hydrochlorothiazide, a thiazide diuretic, the client is at risk for potassium loss. The nurse should advise the client to monitor their potassium levels and increase potassium intake if necessary to prevent complications associated with hypokalemia.

Correct Answer: C

Rationale: Disulfiram, when combined with alcohol, leads to a severe reaction causing nausea and vomiting. Since the client experienced these symptoms after starting disulfiram, it is likely that they consumed alcohol while taking the medication.

Correct Answer: B

Rationale: The correct answer is B. Loperamide can cause drowsiness and dizziness, so clients should avoid activities that require alertness until they know how the medication affects them. Taking the medication with a full glass of water can help with absorption. Increasing high-fiber foods is not directly related to Loperamide, and black, tarry stools are not expected side effects of this medication.

Correct Answer: C

Rationale: The correct statement to include when teaching a client about Propranolol is to avoid sudden changes in position. Propranolol, a beta-blocker, can lead to dizziness and lightheadedness, particularly when changing positions. Therefore, clients should be advised to change positions slowly to prevent falls and related injuries.

Correct Answer: A

Rationale: The correct answer is A. Alcohol should be avoided while taking Metronidazole because it can lead to a disulfiram-like reaction, causing severe nausea and vomiting. It is important for the client to understand this to prevent adverse reactions and ensure the effectiveness of the medication in treating the infection.