HESI RN
HESI 799 RN Exit Exam
1. The nurse needs to add a medication to a liter of 5% Dextrose in Water (D5W) that is already infusing into a client. At what location should the nurse inject the medication?
- A. Medication port
- B. IV drip chamber
- C. Y-site connector
- D. At the hub of the IV catheter
Correct answer: A
Rationale: The correct answer is the medication port. When adding medication to an already infusing IV solution, it should be done through the medication port to ensure direct delivery into the bloodstream without interrupting the primary IV line. Injecting the medication into the IV drip chamber, Y-site connector, or at the hub of the IV catheter can lead to dilution, inaccurate dosing, or potential blockages in the IV line, which can compromise the effectiveness of the medication and patient safety.
2. The nurse is caring for a client who is 2 days postoperative following abdominal surgery. The client reports pain at the incision site and a small amount of purulent drainage is noted. What is the most appropriate nursing action?
- A. Apply a sterile dressing to the incision.
- B. Reinforce the dressing and document the findings.
- C. Remove the dressing and assess the incision site.
- D. Notify the healthcare provider.
Correct answer: D
Rationale: The correct answer is to notify the healthcare provider. Purulent drainage at the incision site is concerning as it may indicate an infection. The healthcare provider needs to be informed promptly to initiate appropriate treatment. Applying a sterile dressing (Choice A) may not address the underlying issue of infection. Reinforcing the dressing and documenting findings (Choice B) is important but should be preceded by notifying the healthcare provider. Removing the dressing and assessing the incision site (Choice C) may disturb the area and should be done under the guidance of the healthcare provider.
3. A client with diabetes mellitus is admitted with a blood glucose level of 640 mg/dl and is unresponsive. Which intervention should the nurse implement first?
- A. Administer 50% dextrose IV push
- B. Administer IV fluids as prescribed
- C. Check the client's blood glucose level
- D. Prepare the client for immediate dialysis
Correct answer: B
Rationale: Administering IV fluids as prescribed is the priority intervention in a client with a blood glucose level of 640 mg/dl and unresponsiveness. Severe hyperglycemia can lead to dehydration and electrolyte imbalances, and administering IV fluids can help manage hyperglycemia and prevent further complications. Administering dextrose IV push (Choice A) can exacerbate hyperglycemia in this scenario. Checking the client's blood glucose level (Choice C) is important but not the immediate priority when the client is unresponsive. Immediate dialysis (Choice D) is not indicated as the first intervention for hyperglycemia.
4. A client with cirrhosis is admitted with jaundice and ascites. Which laboratory value requires immediate intervention?
- A. Serum albumin of 3.0 g/dL
- B. Serum bilirubin of 3.0 mg/dL
- C. Serum ammonia level of 80 mcg/dL
- D. Serum sodium level of 135 mEq/L
Correct answer: C
Rationale: A serum ammonia level of 80 mcg/dL is most concerning in a client with cirrhosis as it may indicate hepatic encephalopathy, requiring immediate intervention. High serum ammonia levels can lead to altered mental status, confusion, and even coma. Serum albumin (choice A) is often decreased in cirrhosis but does not require immediate intervention. Serum bilirubin (choice B) elevation is expected in cirrhosis and may not require immediate intervention unless very high. Serum sodium (choice D) within the given range is generally acceptable and does not require immediate intervention.
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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