Correct Answer: C

Rationale: Keeping the chest tube drainage system below chest level ensures that gravity assists with drainage and prevents fluid or air from flowing back into the pleural space, which could compromise lung function.

Correct Answer: B

Rationale: Before administering nitroglycerin, which can lower blood pressure and heart rate, it is important to assess both to avoid exacerbating hypotension or bradycardia. Nitroglycerin helps relieve chest pain by dilating coronary arteries, but its vasodilating effect can also cause a significant drop in blood pressure, which can be dangerous for some clients.

Correct Answer: B

Rationale: The circulating nurse should advise the scrub nurse to extend the hand scrub to 5 minutes for thorough preparation, particularly for the first surgery of the day.

Correct Answer: B

Rationale: Enoxaparin can cause heparin-induced thrombocytopenia (HIT), making it important to monitor the platelet count. PT and aPTT are less impacted by enoxaparin, and hemoglobin checks are more related to bleeding than to thrombocytopenia.

Correct Answer: B

Rationale: Excessive alcohol consumption is a major risk factor for gastritis and should be prioritized in the teaching plan. Although NSAIDs and spicy foods can contribute to gastritis, alcohol is the most significant factor requiring immediate lifestyle changes.