Correct Answer: B

Rationale: The priority action when caring for a client with a wound infection is to obtain a wound specimen for culture before initiating antibiotic therapy. This step is crucial to identify the specific microorganism causing the infection, allowing for targeted antibiotic treatment. Reviewing WBC laboratory findings and applying a wound dressing are important steps but come after obtaining a wound specimen for culture to guide appropriate antibiotic therapy.

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: Loop diuretics, like Furosemide, can increase the risk of Digoxin toxicity by causing hypokalemia. Hypokalemia enhances the toxic effects of Digoxin on the heart, leading to an increased risk of Digoxin toxicity.

Correct Answer: A

Rationale: The correct answer is to advise the client to avoid consuming foods high in vitamin K. Warfarin's effectiveness can be affected by vitamin K intake. Clients should maintain a consistent intake of vitamin K and avoid sudden increases in foods high in vitamin K to ensure the medication works properly and consistently.

Correct Answer: C

Rationale: Iron supplements commonly cause constipation as a side effect. Increasing fiber intake can help alleviate this issue by promoting regular bowel movements and preventing constipation.