Correct Answer: B

Rationale: The correct answer is to ensure oxygen tanks are kept upright at all times. This is important to prevent the tanks from falling over, which can lead to injuries or tank damage. Choice A is incorrect because oxygen tanks should not be stored in a closet when not in use, as this can lead to poor ventilation and potential hazards. Choice C is incorrect because smoking near oxygen tanks poses a significant fire risk. Choice D is incorrect because while it is important to keep oxygen equipment away from heat sources, ensuring the tanks are kept upright is a more critical safety measure.

Correct Answer: B

Rationale: The correct answer is B: 'Avoid drinking grapefruit juice.' Grapefruit juice can increase the risk of toxicity when taken with simvastatin. Instructing the client to avoid grapefruit juice helps prevent this interaction. Choice A is incorrect because the timing of medication administration for simvastatin is usually in the evening. Choice C is unrelated to simvastatin therapy. Choice D is not necessary for monitoring while taking simvastatin.

Correct Answer: C

Rationale: The correct response is C: 'It includes end-of-life care instructions.' An advance directive is a legal document that outlines a client's preferences for medical treatment and end-of-life care in case they are unable to communicate. Choice A is incorrect because an advance directive focuses on healthcare decisions, not funeral arrangements. Choice B is incorrect as organ donation is a separate process from advance directives. Choice D is incorrect as advance directives do not provide legal guardianship rights, but rather specify healthcare wishes.

Correct Answer: A

Rationale: The correct answer is A: Increased heart rate and fever. In sepsis, an increased heart rate and fever are common early signs of systemic infection. While choices B, C, and D can be present in later stages of sepsis, they are not typically the initial signs. Low blood pressure and confusion may occur in severe sepsis or septic shock. Rapid breathing and sweating can be seen as sepsis progresses. Abdominal pain and cyanosis may develop as the condition advances but are not usually the earliest signs.

Correct Answer: B

Rationale: The correct lifestyle change that should be emphasized for a client with hypertension is to limit the intake of high-fat foods. High-fat foods can contribute to high blood pressure, so reducing their consumption is important in managing hypertension. Choice A is incorrect because increasing intake of sodium-rich foods can worsen hypertension due to their effect on blood pressure. Choice C is incorrect as caffeinated beverages can also elevate blood pressure. Choice D is incorrect because while high-protein foods can be beneficial, they do not directly lower blood pressure like reducing high-fat foods would.