Correct Answer: C

Rationale: Checking for jugular vein distention is crucial in assessing fluid overload in clients with heart failure. Jugular vein distention indicates increased central venous pressure, which can be a sign of worsening heart failure. Monitoring oxygen saturation (Choice A) is important but may not provide immediate information on fluid status. Assessing the apical pulse (Choice B) is relevant for monitoring heart rate but may not directly indicate fluid overload. Measuring urine output (Choice D) is essential for assessing renal function and fluid balance but does not provide immediate information on fluid overload in this scenario.

Correct Answer: A

Rationale: In a scenario where a person is unconscious and there is an indication of a possible heart attack, the immediate priority for the nurse should be to administer cardiac compressions. This action helps maintain circulation and ensures oxygenated blood reaches vital organs until the AED is available. Checking for a pulse or performing rescue breaths may delay essential circulation support, and attaching AED pads should follow the initial step of administering compressions to maximize the chances of a successful resuscitation.

Correct Answer: D

Rationale: The correct answer is D: "I will replace any IV catheter when I suspect contamination during insertion." This statement demonstrates an understanding of preventive strategies for IV infections. Suspecting and replacing any contaminated IV catheter during insertion is crucial to prevent infections and ensure patient safety. Choices A, B, and C are incorrect because leaving the IV catheter in place after completing antibiotics, reusing the same IV catheter, and disconnecting the IV infusion without proper precautions can increase the risk of infections. Therefore, option D is the best choice for preventing IV infections.

Correct Answer: B

Rationale: The correct answer is B: Liver function tests. While a client is taking metformin, monitoring liver function tests is crucial to assess for potential hepatic side effects. Metformin is primarily eliminated by the liver, and monitoring liver function tests helps in early detection of any liver-related complications. Choices A, C, and D are incorrect. A complete blood count (CBC) is not specifically required for monitoring metformin therapy. Serum electrolytes are not directly impacted by metformin, making it less relevant for monitoring this medication. Renal function tests are important for some other diabetes medications, but in the case of metformin, liver function tests take precedence due to its hepatic metabolism.

Correct Answer: C

Rationale: The correct action for the nurse to take is to remove the anti-embolic stockings at least once per shift. This is essential to assess the client's circulation and skin integrity. Option A is incorrect because the stockings should be applied without creases to ensure proper compression. Option B is incorrect as the stockings should be applied when the client's legs are elevated, not in a dependent position. Option D is incorrect as removing the stockings while the client is sitting in a reclining chair is not necessary and does not provide the appropriate assessment opportunity.