Correct Answer: B

Rationale: The correct answer is B because a whole-body bright red color indicates a severe reaction to the contrast dye and must be addressed immediately. Choices A, C, and D do not indicate a severe complication during an excretory urogram. Choice A is a common side effect of the dye, choice C could be a normal sensation due to the injection, and choice D may indicate nausea which is less severe compared to a whole-body red color reaction.

Correct Answer: D

Rationale: In a client experiencing a sudden drop in blood pressure after epidural anesthesia, the first action the nurse should take is to place the client in a lateral position. This position helps improve venous return and cardiac output by relieving aortocaval compression. Administering oxygen via nasal cannula may be necessary if the client shows signs of respiratory distress, but it is not the first priority in this situation. Administering an intravenous fluid bolus can help stabilize blood pressure, but repositioning the client takes precedence. Preparing the client for an emergency cesarean section is not indicated solely based on a sudden drop in blood pressure after epidural anesthesia; this step would be considered if other complications arise.

Correct Answer: C

Rationale: For clients with peripheral artery disease, advising the client to take a short break when leg cramps occur and then continue walking is the appropriate intervention. This approach, known as interval walking, helps manage pain from intermittent claudication and improves circulation over time. Choice A is incorrect because immediate rest may not be necessary, and encouraging the client to resume walking after a short break is more beneficial. Choice B is incorrect since increasing potassium-rich foods may not directly address the underlying issue of peripheral artery disease causing cramps. Choice D is incorrect as avoiding walking altogether can lead to further deconditioning and worsen symptoms over time.

Correct Answer: A

Rationale: The correct answer is A: 'Limit fluid intake to prevent fluid overload.' Clients with advanced chronic kidney disease are at risk of fluid retention, which can lead to complications like fluid overload and hypertension. Therefore, it is crucial to instruct the client to limit fluid intake. Choice B is incorrect because increasing sodium intake can exacerbate fluid retention and hypertension in clients with CKD. Choice C is incorrect as increasing potassium intake can be dangerous for clients with CKD who may already have elevated potassium levels. Choice D is incorrect because while protein intake may need to be adjusted for clients on hemodialysis, the priority in this case is managing fluid intake.

Correct Answer: B

Rationale: Corrected Rationale: Prolonged exposure to high oxygen concentrations can disrupt the production of surfactant in the lungs, leading to atelectasis and other lung complications. Surfactant is essential for maintaining lung compliance and preventing alveolar collapse. Reduced cardiac output (Choice A) is not directly associated with prolonged oxygen exposure. Hyperactivity of alveoli (Choice C) is not a recognized consequence of high oxygen levels. Increased oxygen carrying capacity (Choice D) is not a pathophysiological effect of prolonged high oxygen exposure.