Correct Answer: A

Rationale: The correct answer is A because administering a lethal dose of medication to a patient whose death is imminent directly causes the patient's death, constituting assisted suicide. This action is intentional and aims to end the patient's life. In contrast, choices B, C, and D do not involve intentionally causing the patient's death. Choice B involves a medication error but not with the intent to end the patient's life. Choice C respects the patient's autonomy in refusing treatment. Choice D honors the patient's wishes for end-of-life care. Thus, only choice A aligns with the definition of assisted suicide.

Correct Answer: D

Rationale: The correct answer is D: Esophageal cancer. Alcohol consumption is a known risk factor for developing esophageal cancer. Ethanol, a component of alcohol, can damage the cells lining the esophagus and lead to the development of cancer over time. Incorrect choices: A: Malignant melanoma - Alcohol consumption is not directly linked to the development of malignant melanoma, a type of skin cancer. B: Brain cancer - There is no strong evidence linking alcohol consumption to an increased risk of brain cancer. C: Breast cancer - While excessive alcohol consumption is a risk factor for breast cancer, the primary association is with esophageal cancer in this case. E: Liver cancer - While alcohol abuse can lead to liver damage and increase the risk of liver cancer, the question specifies the types of cancer the patient is at risk for due to alcohol consumption, not the general risks associated with alcohol abuse.

Correct Answer: A

Rationale: The correct answer is A: Utilize a pressure-reducing mattress. This intervention is crucial for preventing pressure ulcers in patients at risk for impaired skin integrity, such as those with HIV. By redistributing pressure, a pressure-reducing mattress helps to alleviate pressure on vulnerable areas, reducing the risk of skin breakdown. Limiting physical activity (B) can lead to muscle atrophy and worsen skin integrity. Applying antibiotic ointment (C) may not address the root cause of skin breakdown. Avoiding synthetic fabrics (D) may be helpful in some cases, but it is not as effective as using a pressure-reducing mattress.

Correct Answer: B

Rationale: The correct answer is B because verifying tube placement before feeding is essential to prevent pulmonary aspiration. If the tube is not correctly positioned in the stomach, there is a risk of feeding going into the lungs. Observing the color of gastric contents (A) may not always indicate correct placement. Adding blue food coloring (C) is unnecessary and could cause confusion. Running the formula over 12 hours (D) does not address the risk of pulmonary aspiration and does not ensure proper tube placement.

Correct Answer: C

Rationale: Rationale: Option C is correct because adequate hydration helps prevent hypercalcemia by promoting the excretion of excess calcium in the urine. This reduces the risk of calcium buildup in the blood. Consuming 2 to 4 liters of fluid daily ensures proper hydration, which is crucial for patients at risk for hypercalcemia. Stool softeners (Option A) are not contraindicated and can help prevent constipation, which may be a side effect of some cancer treatments. Laxatives (Option B) should not be taken daily as they can lead to dehydration and electrolyte imbalances. Restricting calcium intake (Option D) is not the primary intervention for preventing hypercalcemia; rather, maintaining adequate hydration is key.