HESI RN
RN Medical/Surgical NGN HESI 2023
1. The nurse is caring for a patient who is taking trimethoprim-sulfamethoxazole (TMP-SMX). The nurse learns that the patient takes an angiotensin-converting enzyme (ACE) inhibitor. To monitor for drug interactions, the nurse will request an order for which laboratory test(s)?
- A. A complete blood count
- B. BUN and creatinine
- C. Electrolytes
- D. Glucose
Correct answer: C
Rationale: The correct answer is 'C. Electrolytes.' When trimethoprim-sulfamethoxazole (TMP-SMX) is taken with an ACE inhibitor, there is an increased risk of hyperkalemia due to the combined effects on potassium levels. Monitoring electrolytes, specifically potassium, is essential to detect and manage this potential drug interaction. Choices A, B, and D are incorrect because while they are important tests in general patient care, they are not specifically indicated to monitor for the drug interaction between TMP-SMX and ACE inhibitors.
2. The nurse is administering intravenous fluids to a dehydrated patient. On the second day of care, the patient's weight has increased by 2.25 pounds. The nurse would expect that the patient's fluid intake has
- A. equaled urine output.
- B. exceeded urine output by 1 L.
- C. exceeded urine output by 2.5 L.
- D. exceeded urine output by 3 L.
Correct answer: B
Rationale: A weight gain of 1 kg, or approximately 2.2 to 2.5 lb, is generally equivalent to 1 liter (L) of fluid retained by the body. In this case, the patient's weight gain of 2.25 pounds suggests an excess fluid retention of approximately 1 liter, indicating that the patient's fluid intake has exceeded urine output by 1 liter. Choices C and D are incorrect as they overestimate the fluid excess based on the patient's weight gain. Choice A is incorrect as it implies an exact balance between fluid intake and urine output, which is not reflected in the given weight increase.
3. A nurse reviews the laboratory findings of a client with a urinary tract infection. The laboratory report notes a “shift to the left” in the client’s white blood cell count. Which action should the nurse take?
- A. Request that the laboratory perform a differential analysis on the white blood cells.
- B. Notify the provider and start an intravenous line for parenteral antibiotics.
- C. Collaborate with the unlicensed assistive personnel (UAP) to strain the client’s urine for renal calculi.
- D. Assess the client for a potential allergic reaction and anaphylactic shock.
Correct answer: B
Rationale: A “shift to the left” in a white blood cell count indicates an increase in band cells, which is typically associated with urosepsis. In this scenario, the nurse should notify the provider and initiate IV antibiotics as a left shift is often seen in severe infections like urosepsis. Requesting a differential analysis on white blood cells would not be the immediate action needed in response to a left shift. Collaborating to strain urine for renal calculi is unrelated to the situation of a left shift in white blood cells due to urosepsis. Assessing for allergic reactions and anaphylactic shock is not the priority as a left shift is not indicative of an allergic response; it is associated with an increase in band cells, not eosinophils.
4. After educating a client with a history of renal calculi, the nurse assesses the client’s understanding. Which statement made by the client indicates a correct understanding of the teaching?
- A. I should drink at least 3 liters of fluid every day.
- B. I will eliminate all dairy or sources of calcium from my diet.
- C. Aspirin and aspirin-containing products can lead to stones.
- D. The doctor can give me antibiotics at the first sign of a stone.
Correct answer: A
Rationale: To prevent the formation of renal calculi, it is essential to maintain adequate hydration as dehydration can contribute to the precipitation of minerals leading to stone formation. Therefore, the correct statement indicating understanding of the teaching is choice A. Increasing fluid intake helps dilute urine and reduces the risk of stone formation. Eliminating all sources of calcium is not recommended as calcium is essential for various bodily functions and eliminating it can lead to other health issues. Aspirin and aspirin-containing products do not directly cause kidney stones. Antibiotics are not used to prevent or treat renal calculi, as they are not caused by bacterial infections.
5. The nurse is assessing a client with a diagnosis of pre-renal acute kidney injury (AKI). Which condition would the nurse expect to find in the client’s recent history?
- A. Pyelonephritis
- B. Myocardial infarction
- C. Bladder cancer
- D. Kidney stones
Correct answer: B
Rationale: In pre-renal acute kidney injury, there is a decrease in perfusion to the kidneys. Myocardial infarction can lead to decreased blood flow to the kidneys, causing pre-renal AKI. Pyelonephritis is an intrinsic/intrarenal cause of AKI involving kidney damage. Bladder cancer and kidney stones are post-renal causes of AKI due to urinary flow obstruction, not related to perfusion issues seen in pre-renal AKI.
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