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. A client has a serum potassium level of 6.5 mmol/L, a serum creatinine level of 2 mg/dL, and a urine output of 350 mL/day. What is the best action by the nurse?
- A. Place the client on a cardiac monitor immediately.
- B. Teach the client to limit high-potassium foods.
- C. Continue to monitor the client’s intake and output.
- D. Ask to have the laboratory redraw the blood specimen.
Correct answer: A
Rationale: The best immediate action by the nurse in this situation is to place the client on a cardiac monitor immediately. A serum potassium level of 6.5 mmol/L indicates hyperkalemia, which can lead to life-threatening dysrhythmias. Monitoring the cardiac status is crucial to detect any potential arrhythmias promptly. Teaching the client to limit high-potassium foods (Choice B) may be important for long-term management, but it is not the priority at this moment. Continuing to monitor intake and output (Choice C) is important for assessing renal function but does not address the immediate risk of dysrhythmias. Asking to have the laboratory redraw the blood specimen (Choice D) is unnecessary since the current results indicate a critical situation that requires immediate action.
3. After a transsphenoidal hypophysectomy, the nurse should assess the client for:
- A. Cerebrospinal fluid (CSF) leak.
- B. Fluctuating blood glucose levels.
- C. Cushing's syndrome.
- D. Cardiac arrhythmias.
Correct answer: A
Rationale: Following a transsphenoidal hypophysectomy, assessing the client for a cerebrospinal fluid (CSF) leak is crucial due to the risk of this serious complication. A CSF leak can lead to infection and increased intracranial pressure, which must be promptly identified and managed to prevent further complications. Fluctuating blood glucose levels (Choice B) are not directly associated with a transsphenoidal hypophysectomy. Cushing's syndrome (Choice C) is a condition related to prolonged exposure to high levels of cortisol and is not a common immediate concern post-transsphenoidal hypophysectomy. Cardiac arrhythmias (Choice D) are not typically a direct complication of this surgical procedure, making it a less relevant concern compared to a CSF leak.
4. A nurse reviews laboratory results for a client with glomerulonephritis. The client’s glomerular filtration rate (GFR) is 40 mL/min as measured by a 24-hour creatinine clearance. How should the nurse interpret this finding? (Select all that apply.)
- A. Excessive GFR
- B. Reduced GFR
- C. Fluid retention and risks for hypertension
- D. Pulmonary edema
Correct answer: B
Rationale: A GFR of 40 mL/min indicates a reduced glomerular filtration rate. In a healthy adult, the normal GFR ranges between 100 and 120 mL/min. A GFR of 40 mL/min signifies a significant reduction, leading to fluid retention and risks for hypertension and pulmonary edema due to excess vascular fluid. Choices A, C, and D are incorrect. Choice A is incorrect as a GFR of 40 mL/min is not excessive but rather reduced. Choices C and D do not directly address the interpretation of GFR but instead describe potential consequences of a reduced GFR.
5. The patient has a heart rate of 98 beats per minute and a blood pressure of 82/58 mm Hg, is lethargic, complaining of muscle weakness, and has had gastroenteritis for several days. Based on these findings, which sodium value would the nurse expect?
- A. 126 mEq/L
- B. 140 mEq/L
- C. 145 mEq/L
- D. 158 mEq/L
Correct answer: A
Rationale: The patient's presentation of tachycardia, hypotension, lethargy, muscle weakness, and gastroenteritis suggests hyponatremia. Hyponatremia is characterized by a serum sodium level below the normal range of 135-145 mEq/L. A serum sodium level of 126 mEq/L falls significantly below this range, indicating hyponatremia. Choice B (140 mEq/L) and Choice C (145 mEq/L) are within the normal range for serum sodium levels and would not explain the patient's symptoms. Choice D (158 mEq/L) is above the normal range and would indicate hypernatremia, which is not consistent with the patient's presentation.
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