Correct Answer: C

Rationale: The correct answer is to instruct the client to sit quietly for 5 minutes before measuring their blood pressure. This allows the body to relax and stabilize, leading to a more accurate reading. Choice A is incorrect because using a cuff that is too loose can result in inaccurate readings. Choice B is incorrect as the cuff should be placed directly on the bare skin. Choice D is incorrect as using the same arm for each reading is important for consistency in monitoring, but sitting quietly before measuring is crucial for accuracy.

Correct Answer: C

Rationale: The correct instruction is to take ferrous sulfate on an empty stomach to increase absorption. This is because taking it with food or dairy products like milk can reduce its absorption. Orange juice is not recommended as it may interfere with the absorption of iron. Taking ferrous sulfate on an empty stomach may cause gastrointestinal upset, but this can be minimized by gradually increasing the dose.

Correct Answer: D

Rationale: The correct answer is D. Montelukast should be taken daily in the evening for long-term control of asthma, rather than for immediate relief. Choice A is incorrect because montelukast is not used for acute asthma attacks. Choice B is incorrect as montelukast works by blocking leukotrienes, not by decreasing swelling and mucus production. Choice C is incorrect as montelukast is not specifically taken before exercise.

Correct Answer: D

Rationale: The correct answer is D. Exercising for 30 minutes at least 5 days a week helps manage hypertension by promoting cardiovascular health. Statements A, B, and C are incorrect. Avoiding foods high in potassium is not necessary unless specifically advised by a healthcare provider. Checking blood pressure once a week is not frequent enough for effective monitoring. Increasing dairy product intake is not a recommended approach to managing hypertension.

Correct Answer: B

Rationale: The correct answer is B: Mouth sores. Mouth sores are a common side effect of radiation therapy, especially when the treatment is focused on the head or neck area. Weight gain is not typically associated with radiation therapy; instead, clients may experience weight loss due to side effects like nausea and loss of appetite. Hyperpigmentation is not a common finding related to radiation therapy. Increased saliva production is not a typical side effect of radiation therapy; instead, clients may experience dry mouth.