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. A client with chronic kidney disease (CKD) is scheduled for hemodialysis. Which laboratory value should the nurse report to the healthcare provider before the procedure?
- A. Serum potassium of 5.5 mEq/L
- B. Hemoglobin of 10 g/dl
- C. Potassium of 6.0 mEq/L
- D. Blood glucose of 200 mg/dl
Correct answer: C
Rationale: The correct answer is C: Potassium of 6.0 mEq/L. A potassium level of 6.0 mEq/L is dangerously high in a client with CKD, and it should be reported before hemodialysis to prevent cardiac complications. High potassium levels can lead to life-threatening arrhythmias. Choices A, B, and D are not the most critical values to report before hemodialysis. While a serum potassium level of 5.5 mEq/L is slightly elevated, it is not as urgent as a level of 6.0 mEq/L in this context. Hemoglobin of 10 g/dl and blood glucose of 200 mg/dl are important parameters to monitor but are not as immediately concerning before hemodialysis compared to a high potassium level.
3. A client with type 1 diabetes is admitted with hypoglycemia. Which intervention should the nurse implement first?
- A. Administer 50% dextrose IV push
- B. Administer 15 grams of oral glucose
- C. Recheck the blood glucose level in 15 minutes
- D. Administer a glucagon injection
Correct answer: A
Rationale: Administering 50% dextrose IV push is the first priority in treating hypoglycemia to rapidly increase blood glucose levels. This choice is correct because in severe cases of hypoglycemia, when a client is admitted and unconscious or unable to swallow, intravenous administration of dextrose is crucial to quickly raise blood glucose levels. Option B, administering 15 grams of oral glucose, would be suitable for conscious clients with mild hypoglycemia who can swallow safely. Option C, rechecking blood glucose levels, should follow after immediate intervention to assess the response. Option D, administering a glucagon injection, is more suitable for cases where dextrose is not readily available or when the client does not respond to dextrose administration.
4. After receiving lactulose, a client with hepatic encephalopathy has several loose stools. What action should the nurse implement?
- A. Send stool specimen to the lab
- B. Measure abdominal girth
- C. Encourage increased fiber in the diet
- D. Monitor mental status
Correct answer: D
Rationale: The correct action for the nurse to implement after a client with hepatic encephalopathy has loose stools following lactulose administration is to monitor the client's mental status. Lactulose is given to lower serum ammonia levels in hepatic encephalopathy, and loose stools can be an expected side effect of its use. Monitoring mental status is crucial because changes in mental status, such as confusion or altered level of consciousness, are key indicators of hepatic encephalopathy worsening. Sending a stool specimen to the lab would not be the priority in this situation as loose stools are a known effect of lactulose. Measuring abdominal girth is more relevant for conditions like ascites, not loose stools. Encouraging increased fiber in the diet may be beneficial for constipation but is not the immediate action needed when loose stools occur after lactulose administration.
5. A client is admitted for cellulitis surrounding an insect bite on the lower right arm, and intravenous (IV) antibiotic therapy is prescribed. Which action should the nurse implement before performing venipuncture?
- A. Lower the right arm below the level of the heart.
- B. Elevate the right arm on a pillow.
- C. Apply a tourniquet above the insertion site.
- D. Apply a warm compress to the insertion site.
Correct answer: A
Rationale: Before performing venipuncture for IV therapy, the nurse should lower the right arm below the level of the heart. Lowering the arm helps dilate the veins, making it easier to locate and access a suitable vein for the procedure. Elevating the arm on a pillow, applying a tourniquet above the insertion site, or applying a warm compress to the insertion site are not appropriate actions before venipuncture as they can affect the venous blood flow and make the procedure more challenging.
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