Correct Answer: D

Rationale: Pain in the legs when walking (D), known as intermittent claudication, is most indicative of peripheral arterial disease (PAD). While dependent rubor (A), absence of hair (B), and shiny, thin skin (C) are also associated with PAD, they are less specific than intermittent claudication. Intermittent claudication is a hallmark symptom of PAD caused by inadequate blood flow to the legs during exercise, resulting in pain that resolves with rest.

Correct Answer: B

Rationale: To calculate the infusion rate, set up a ratio proportion problem: 50 ml/20 min = x ml/60 min. Cross multiply to solve: 50 60 / 20 = 150 ml/hr. Therefore, the infusion pump should be set to deliver the secondary infusion at a rate of 150 ml/hr.

Correct Answer: C

Rationale: Assessing the client's ability to perform activities of daily living (ADLs) is crucial in planning care for someone with chronic pain. Understanding the client's functional status helps the nurse tailor interventions to promote independence and enhance quality of life. It provides valuable insight into the impact of pain on daily activities and guides the development of a comprehensive care plan to address the client's specific needs.

Correct Answer: A

Rationale: The first dose of the Hepatitis B vaccine is usually administered at birth in the hospital to provide early protection against the virus. Giving the vaccine at birth helps prevent perinatal transmission of Hepatitis B from an infected mother to her newborn. Therefore, it is important to administer the first dose as soon as possible after birth to ensure the best protection.

Correct Answer: B

Rationale: When faced with caring for a close friend in a professional setting, it is essential to maintain professional boundaries. The best course of action is to disclose the relationship to the charge nurse and request reassignment to prevent any potential conflicts of interest or compromised care.