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.

Correct Answer: B

Rationale: The correct answer is B. Decreasing the intake of flatus-forming foods can help reduce symptoms of bloating and discomfort in IBS. This intervention focuses on dietary modifications that can positively impact the client's condition. Instructing the client to avoid drinking fluids with meals (choice A) may not directly address the underlying cause of IBS symptoms. Teaching perianal care (choice C) is important for hygiene but does not directly address IBS symptoms. Encouraging the client to see a psychologist (choice D) may be beneficial for managing stress or anxiety associated with IBS but does not directly target symptom reduction through dietary changes.

Correct Answer: A

Rationale: The correct answer is A. Roast beef is high in heme iron, which is best absorbed and helps treat iron deficiency anemia. Choices B, C, and D do not contain significant amounts of heme iron or other iron-rich foods that would be beneficial in managing iron deficiency anemia. Cheese pizza, scrambled eggs, bacon, white toast, corn flakes, and whole wheat toast do not provide the necessary heme iron needed to address the client's condition.

Correct Answer: A

Rationale: The correct answer is to discuss the importance of tapering medications when discontinuing medication. Tapering glucocorticoids is crucial to prevent adrenal insufficiency, which can occur if the medication is stopped abruptly. Choice B is incorrect because it focuses on adjustments during stress or infection, not discontinuation. Choice C is unrelated to the management of glucocorticoids. Choice D is important for emergency identification but is not directly related to medication management.

Correct Answer: B

Rationale: During an acute flare-up of diverticulitis, a low-residue diet is recommended. This diet helps reduce bowel movements and minimizes irritants in the colon, which can help alleviate symptoms and promote healing. High-fiber diets, like choice A, are typically recommended for diverticulosis prevention but may exacerbate symptoms during a flare-up due to increased bulk in the stool. Low-fat (choice C) and high-protein (choice D) diets are not specifically indicated for diverticulitis flare-ups.