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.

Correct Answer: B

Rationale: Performing a wound culture before applying ointment is crucial when providing wound care for a client with a pressure ulcer. This step helps identify the presence of any infection, allowing for appropriate treatment.
Choice A is incorrect because covering the wound with a dry, sterile dressing may not address potential infections.
Choice C is incorrect as cleansing the wound with alcohol can be too harsh and drying to the surrounding skin.
Choice D is incorrect because covering the wound with a wet-to-dry dressing is not typically recommended for pressure ulcers, as it can cause trauma to the wound bed during removal.

Correct Answer: B

Rationale: The best strategy for managing fatigue in a client who has had an acute myocardial infarction and is concerned about self-care is to encourage the client to gradually resume self-care tasks with frequent rest periods. This approach helps the client regain independence while managing fatigue effectively.
Choice A is incorrect because complete rest without any self-care tasks may hinder recovery and independence.
Choice C is not the best option as it does not promote the client's independence.
Choice D, while involving family support, does not empower the client to regain self-care abilities.

Correct Answer: D

Rationale: The correct intervention for the nurse to include in the plan of care for a client undergoing total parenteral nutrition (TPN) is to change the TPN tubing every 24 hours. Changing the tubing at regular intervals helps reduce the risk of infection associated with central venous catheters. Monitoring electrolyte levels daily (
Choice
A) is important but not specific to TPN. Weighing the client daily (
Choice
B) is important for monitoring fluid status but not directly related to TPN. Monitoring blood glucose levels every 6 hours (
Choice
C) is essential for clients receiving TPN, but changing the tubing is a more critical intervention to prevent infections.

Correct Answer: A

Rationale: The correct procedure for inserting a nasogastric (NG) tube involves measuring the tube to ensure the appropriate length for insertion and using lubrication to reduce discomfort and aid in smooth insertion.
Choice B is incorrect as measuring the tube is essential for proper placement.
Choice C is incorrect as lubrication helps in easing the insertion process.
Choice D is incorrect as checking the placement comes after insertion and should not be done simultaneously with the insertion process.