Correct Answer: A

Rationale: Mild tenderness, a light diet initially, and gas or bloating are expected after a colonoscopy.

Correct Answer: A

Rationale: The correct answer is A: Assess the intravenous fluids for rate and volume. After a nephrectomy, monitoring intravenous fluids is crucial to ensure proper hydration and kidney function. Choice B is incorrect because changing the surgical dressing daily is important but not the most critical intervention. Choice C is incorrect as monitoring medication levels daily may be necessary but is not the priority after a nephrectomy. Choice D is irrelevant to the immediate postoperative care needed after a nephrectomy.

Correct Answer: D

Rationale: The correct answer is D: 'B, C.' Dizziness and headache are common side effects of ACE inhibitors due to their blood pressure-lowering effects. Constipation is not a common adverse effect associated with ACE inhibitors, so choice A is incorrect. Choice B (Dizziness) and choice C (Headache) are more commonly seen and are directly related to the mechanism of action of ACE inhibitors, making them the correct choices.

Correct Answer: C

Rationale: The correct answer is C: 'Maintain the health of the Army and preserve its combat effectiveness.' This mission statement reflects the primary goal of the Army Medical Department, which is to ensure that military personnel remain healthy and fit for duty to preserve the Army's fighting strength. Choices A, B, and D are incorrect because they do not capture the core purpose of the Army Medical Department, which is focused on the health and readiness of the military forces, rather than performing annual physical examinations, responding to disasters, or providing education and training.

Correct Answer: D

Rationale: St. John's Wort is the correct answer because it can interact with antidepressants and oral contraceptives, potentially affecting their efficacy. Iron supplement, garlic, and green tea do not typically interact with antidepressants or oral contraceptives to the same extent as St. John's Wort.