Correct Answer: D

Rationale: Assessing the client for allergies, particularly to iodine or shellfish, is crucial before a cardiac catheterization because the contrast dye used during the procedure can lead to allergic reactions. Identifying any allergies beforehand allows the healthcare team to take necessary precautions to prevent potential adverse reactions and ensure the client's safety.

Correct Answer: C

Rationale: For a client with cirrhosis experiencing ascites, the nurse should instruct them to consume a low-sodium diet. This dietary modification helps reduce fluid retention and manage ascites by decreasing the amount of sodium in the body, which helps prevent fluid accumulation in the abdomen. Limiting sodium intake is crucial in managing ascites and preventing further complications in clients with cirrhosis.

Correct Answer: A

Rationale: The client is expressing a fear of negative outcomes related to the transplant. By offering information about advance directives, the nurse allows the client to discuss concerns and preferences for end-of-life care. This response shows empathy, acknowledges the client's autonomy, and addresses the client's fears while providing support and information.

Correct Answer: C

Rationale: An inotropic agent is a medication that increases the force of the heart's contractions, which helps improve cardiac output. Choice A and B are incorrect as inotropic agents do not constrict or dilate vessels. Choice D is also incorrect as inotropic agents do not slow down the heart rate but rather enhance the heart's contractility.

Correct Answer: B

Rationale: SBAR is a structured form of communication used in healthcare settings. It stands for Situation, Background, Assessment, and Recommendation. In this scenario, informing the on-call physician about the client's allergies to morphine & codeine falls under the 'Background' component of the SBAR format, making choice B the correct answer.