HESI RN
RN Medical/Surgical NGN HESI 2023
1. The nurse is caring for a patient who develops marked edema and a low urine output as a result of heart failure. Which medication will the nurse expect the provider to order for this patient?
- A. Digoxin (Lanoxin)
- B. Furosemide (Lasix)
- C. Hydrochlorothiazide (HydroDIURIL)
- D. Spironolactone (Aldactone)
Correct answer: B
Rationale: In heart failure with marked edema and low urine output, the nurse can expect the provider to order Furosemide (Lasix). Furosemide is a loop diuretic that acts quickly to remove excess fluid from the body, making it an appropriate choice for this patient's condition. Digoxin is used to improve heart function but does not directly address fluid overload. Hydrochlorothiazide is a thiazide diuretic that is not as potent as Furosemide in managing acute fluid retention. Spironolactone is a potassium-sparing diuretic that is typically used in heart failure for its aldosterone-blocking effects and not for immediate fluid removal.
2. The nurse notes that the only ECG for a 55-year-old male client scheduled for surgery in two hours is dated two years ago. The client reports that he has a history of 'heart trouble,' but has no problems at present. Hospital protocol requires that those over 50 years of age have a recent ECG prior to surgery. What nursing action is best for the nurse to implement?
- A. Ask the client to explain what he means by 'heart trouble.'
- B. Call for an ECG to be performed immediately.
- C. Notify surgery that the ECG is over two years old.
- D. Notify the client's surgeon immediately.
Correct answer: B
Rationale: In this scenario, the client is 55 years old with a history of 'heart trouble,' which necessitates a recent ECG before surgery as per hospital policy. The nurse should prioritize patient safety and adhere to the protocol by arranging for an ECG to be performed immediately. Option A is not the best initial action as the focus should be on obtaining the necessary test first. Option C is not the immediate action required, and option D is premature without obtaining the necessary ECG first.
3. The patient will take a high dose of azithromycin after discharge from the hospital. Which statement by the patient indicates understanding of the teaching?
- A. I may take antacids 2 hours before taking this drug.
- B. I should take acetaminophen for fever or mild pain.
- C. I should expect diarrhea to be a common, mild side effect.
- D. I should avoid dairy products while taking this drug.
Correct answer: A
Rationale: The correct answer is A. Azithromycin peak levels may be reduced by antacids when taken at the same time, so patients should be cautioned to take antacids 2 hours before or 2 hours after taking the drug. Choice B is incorrect because high-dose azithromycin carries a risk for hepatotoxicity when taken with other potentially hepatotoxic drugs such as acetaminophen. Choice C is incorrect as diarrhea may indicate pseudomembranous colitis and should be reported, not expected as a common mild side effect. Choice D is incorrect; there is no restriction for dairy products while taking azithromycin.
4. A nurse contacts the healthcare provider after reviewing a client’s laboratory results and noting a blood urea nitrogen (BUN) of 35 mg/dL and a creatinine of 1.0 mg/dL. For which action should the nurse recommend a prescription?
- A. Intravenous fluids
- B. Hemodialysis
- C. Fluid restriction
- D. Urine culture and sensitivity
Correct answer: A
Rationale: The normal range for BUN is 10 to 20 mg/dL, and for creatinine, it is 0.6 to 1.2 mg/dL in males and 0.5 to 1.1 mg/dL in females. Creatinine is a more specific marker for kidney function compared to BUN. In this case, the client's creatinine level is within the normal range, indicating a non-renal cause for the elevated BUN. Dehydration is a common cause of increased BUN, so the appropriate action would be to recommend intravenous fluids to address the dehydration. Fluid restriction is not indicated as the client needs hydration. Hemodialysis is not appropriate for dehydration and is typically reserved for renal failure. The laboratory results do not suggest an infection, making a urine culture and sensitivity unnecessary in this scenario.
5. In a client with congestive heart failure, the nurse would be correct in withholding a dose of digoxin without specific instruction from the healthcare provider if the client's
- A. serum digoxin level is 1.5 ng/mL.
- B. blood pressure is 104/68 mmHg.
- C. serum potassium level is 3 mEq/L.
- D. apical pulse is 68/min.
Correct answer: C
Rationale: The correct answer is C. Hypokalemia can precipitate digitalis toxicity in individuals on digoxin, increasing the risk of dangerous dysrhythmias. A serum potassium level of 3 mEq/L is below the normal range (3.5 to 5.5 mEq/L) and indicates hypokalemia, which can potentiate the effects of digoxin. Choices A, B, and D are not directly related to the potential for digitalis toxicity. Serum digoxin level of 1.5 ng/mL is within the therapeutic range, blood pressure of 104/68 mmHg is not a contraindication for administering digoxin, and an apical pulse of 68/min is within the normal range and not a reason to withhold digoxin.
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