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's subjective data includes dysuria, urgency, and urinary frequency. What action should the nurse implement next?
- A. Collect a clean-catch specimen
- B. Administer prescribed antibiotics
- C. Perform a bladder scan
- D. Increase the client's fluid intake
Correct answer: A
Rationale: The correct action for the nurse to implement next is to collect a clean-catch specimen. This is essential to diagnose the cause of the client's symptoms accurately before initiating any treatment. Administering antibiotics (Choice B) without confirming the diagnosis through a specimen collection can be inappropriate and potentially harmful. Performing a bladder scan (Choice C) may not provide the necessary information to identify the specific cause of the symptoms. Increasing the client's fluid intake (Choice D) is a general recommendation and may not address the underlying issue causing the symptoms.
3. A client with type 1 diabetes is admitted with diabetic ketoacidosis (DKA). Which clinical finding is most concerning?
- A. Serum glucose of 500 mg/dL
- B. Serum glucose of 600 mg/dL
- C. Serum potassium of 5.5 mEq/L
- D. Serum bicarbonate of 18 mEq/L
Correct answer: D
Rationale: A serum bicarbonate level of 18 mEq/L is most concerning in a client with DKA as it indicates metabolic acidosis, requiring immediate intervention. In DKA, the body produces excess ketones, leading to metabolic acidosis. A low serum bicarbonate level is a key indicator of this acid-base imbalance. Elevated serum glucose levels are expected in DKA but are managed through insulin therapy. Serum potassium levels can fluctuate in DKA due to insulin deficiency, but a value of 5.5 mEq/L is not as immediately concerning as metabolic acidosis. Therefore, the most critical finding in this scenario is the low serum bicarbonate level.
4. A client with cirrhosis is admitted with jaundice and ascites. Which intervention should the nurse implement first?
- A. Administer a diuretic as prescribed.
- B. Administer lactulose as prescribed.
- C. Monitor the client's weight daily.
- D. Assess the client's neurological status.
Correct answer: B
Rationale: Administering lactulose is the first priority in managing a client with cirrhosis to reduce ammonia levels and prevent worsening hepatic encephalopathy. Lactulose helps in decreasing the absorption of ammonia in the intestines and promotes its excretion through the stool. This intervention is crucial in preventing the development or progression of hepatic encephalopathy. Administering a diuretic (Choice A) may be necessary to manage ascites, but it is not the priority over lactulose in this scenario. Monitoring the client's weight (Choice C) is important to assess fluid retention but is not the first intervention required. Assessing the client's neurological status (Choice D) is essential in cirrhosis, but administering lactulose takes precedence to prevent hepatic encephalopathy.
5. Following discharge teaching, a male client with a duodenal ulcer tells the nurse he will drink plenty of dairy products to help coat and protect his ulcer. What is the best follow-up action by the nurse?
- A. Remind the client that it is also important to switch to decaffeinated coffee and tea.
- B. Suggest that the client also plans to eat frequent small meals to reduce discomfort.
- C. Review with the client the need to avoid foods that are rich in milk and cream.
- D. Reinforce this teaching by asking the client to list a dairy food that he might select.
Correct answer: C
Rationale: The correct answer is C because diets rich in milk and cream stimulate gastric acid secretion, which can exacerbate a duodenal ulcer. Therefore, it is essential to avoid foods that are rich in milk and cream. Choice A is incorrect because switching to decaffeinated coffee and tea does not address the issue of avoiding milk and cream products. Choice B is incorrect because while eating frequent small meals can help with discomfort, it does not address the specific issue of avoiding milk and cream. Choice D is incorrect as it does not address the need to avoid milk and cream products.
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