Nursing Elites

1. A client with a history of chronic kidney disease is scheduled for a CT scan with contrast. Which laboratory value should the nurse review before the procedure?

• A. Serum potassium
• B. Blood urea nitrogen (BUN)
• C. Serum creatinine
• D. Serum glucose

Correct answer: C

Rationale: Before a CT scan with contrast, the nurse should review the serum creatinine level. This is crucial in assessing kidney function because contrast agents can potentially worsen renal function, leading to contrast-induced nephropathy. Monitoring serum creatinine helps in identifying patients at risk and taking necessary precautions. Serum potassium (Choice A) is important in conditions like hyperkalemia but is not the priority before a contrast CT scan. Blood urea nitrogen (BUN) (Choice B) is another renal function test but is not as specific as serum creatinine for assessing kidney function. Serum glucose (Choice D) is important in monitoring blood sugar levels, especially in diabetic patients, but it is not directly related to the risk of contrast-induced nephropathy in this scenario.

2. The nurse is preparing to administer an enema to a client with severe constipation. Which position is most appropriate for the client?

• A. Supine with the head elevated 30 degrees
• B. Left lateral with the right leg flexed
• C. Sims’ position with the right leg flexed
• D. Prone position with the head turned to the side

Correct answer: C

Rationale: Sims’ position with the right leg flexed is the most appropriate position for administering an enema to a client with severe constipation. This position helps in promoting the flow of the enema solution into the rectum and facilitates the evacuation of stool. Supine position with the head elevated 30 degrees (Choice A) is not ideal for administering an enema as it does not facilitate the flow of the solution. Left lateral position with the right leg flexed (Choice B) is not the best choice for administering an enema. Prone position with the head turned to the side (Choice D) is also not suitable for administering an enema as it does not assist in the proper administration and retention of the solution.

3. A client with a nasogastric tube in place following gastric surgery reports nausea. What is the most appropriate nursing action?

• A. Irrigate the NG tube with 30 ml of normal saline.
• B. Administer an antiemetic as prescribed.
• C. Assess the NG tube for patency and reposition if necessary.
• D. Provide sips of water and reassess the client's symptoms.

Correct answer: C

Rationale: Assessing the NG tube for patency and repositioning it if necessary is the most appropriate action to relieve the client's nausea. Nausea in a client with a nasogastric tube can be due to the tube's malposition or blockage. Irrigating the NG tube with normal saline (Choice A) without assessing for patency or repositioning may worsen the situation. Administering an antiemetic (Choice B) can help manage symptoms but does not address the potential issue with the NG tube. Providing sips of water and reassessing symptoms (Choice D) may be contraindicated if there is a problem with the NG tube and could exacerbate the nausea.

4. The nurse is assessing a client with a small bowel obstruction who was hospitalized 24 hours ago. Which assessment finding should the nurse report immediately to the healthcare provider?

• A. Hypoactive bowel sounds in the lower quadrant.
• B. Rebound tenderness in the upper quadrants.
• C. Tympany with percussion of the abdomen.
• D. Light-colored gastric aspirate via the nasogastric tube.

Correct answer: B

Rationale: Rebound tenderness in the upper quadrants may indicate peritonitis, which requires prompt medical attention. Hypoactive bowel sounds are expected in small bowel obstruction and would not be a priority over signs of peritonitis. Tympany with percussion is a normal finding and not a cause for immediate concern. Light-colored gastric aspirate could indicate various issues but is not as urgent as peritonitis.

5. The nurse is reviewing a client's electrocardiogram and determines the PR interval (PRI) is prolonged. What does this finding indicate?

• A. Initiation of the impulses from a location outside the SA node
• B. Inability of the SA node to initiate an impulse at the normal rate
• C. Increased conduction time from the SA node to the AV junction
• D. Interference with the conduction through one or both ventricles

Correct answer: C

Rationale: When the PR interval is prolonged, it signifies an increased conduction time from the SA node through the AV junction. This finding is characteristic of a first-degree heart block where there is a delay in the electrical conduction at the level of the AV node. Choices A, B, and D are incorrect as they do not accurately reflect the significance of a prolonged PR interval.

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