HESI RN
HESI Medical Surgical Exam
1. A client with type 1 diabetes mellitus has influenza. The nurse should instruct the client to:
- A. Increase the frequency of self-monitoring (blood glucose testing).
- B. Reduce food intake to alleviate nausea.
- C. Discontinue the insulin dose if unable to eat.
- D. Take the normal dose of insulin.
Correct answer: A
Rationale: During illness, individuals with type 1 diabetes mellitus may experience increased insulin requirements due to factors such as stress and the release of counterregulatory hormones. Increasing the frequency of self-monitoring, as stated in choice A, is crucial to closely monitor and adjust insulin doses as needed. Choice B, reducing food intake to alleviate nausea, is incorrect as it may lead to hypoglycemia and does not address the increased insulin needs during illness. Choice C, discontinuing the insulin dose if unable to eat, is dangerous as it can result in uncontrolled hyperglycemia. Choice D, taking the normal dose of insulin, may not be sufficient during illness when insulin requirements are likely elevated.
2. The nurse observes an increased number of blood clots in the drainage tubing of a client with continuous bladder irrigation following a transurethral resection of the prostate (TURP). What is the best initial nursing action?
- A. Provide additional oral fluid intake
- B. Measure the client's intake and output
- C. Increase the flow of the bladder irrigation
- D. Administer a PRN dose of an antispasmodic agent
Correct answer: C
Rationale: The best initial nursing action when observing an increased number of blood clots in the drainage tubing of a client with continuous bladder irrigation post-TURP is to increase the flow of the bladder irrigation. This action helps prevent blood clots from obstructing the catheter, ensuring effective drainage and promoting client comfort. Providing additional oral fluid intake (Choice A) is important for overall hydration but may not directly address the issue of blood clots in the drainage tubing. Measuring the client's intake and output (Choice B) is a routine nursing assessment that may not directly address the immediate concern of blood clots obstructing the catheter. Administering a PRN dose of an antispasmodic agent (Choice D) is not the best initial action as it does not directly address the issue of blood clots in the drainage tubing.
3. A client has a urine specific gravity of 1.040. What action should the nurse take?
- A. Obtain a urine culture and sensitivity.
- B. Place the client on restricted fluids.
- C. Assess the client’s creatinine level.
- D. Increase the client’s fluid intake.
Correct answer: D
Rationale: A urine specific gravity of 1.040 is higher than the normal range (1.005 to 1.030) and can indicate dehydration, decreased kidney blood flow, or the presence of antidiuretic hormone. In this situation, the priority action should be to increase the client's fluid intake to address the high specific gravity. Obtaining a urine culture, placing the client on restricted fluids, or assessing the creatinine level would not directly address the underlying issue of high urine specific gravity caused by dehydration or other factors.
4. The nurse is preparing to administer the first dose of hydrochlorothiazide (HydroDIURIL) 50 mg to a patient who has a blood pressure of 160/95 mm Hg. The nurse notes that the patient had a urine output of 200 mL in the past 12 hours. The nurse will perform which action?
- A. Administer the medication as ordered.
- B. Encourage the patient to drink more fluids.
- C. Hold the medication and request an order for serum BUN and creatinine.
- D. Request an order for serum electrolytes and administer the medication.
Correct answer: C
Rationale: The correct action is to hold the medication and request an order for serum BUN and creatinine. Thiazide diuretics, such as hydrochlorothiazide, are contraindicated in renal failure. In this case, the patient has oliguria, which is a reduced urine output, indicating potential renal insufficiency. Before administering the diuretic, it is crucial to evaluate the patient's renal function through serum BUN and creatinine levels. Encouraging the patient to drink more fluids (Choice B) may not address the underlying issue of renal function. Administering the medication as ordered (Choice A) without assessing renal function can be harmful. Requesting serum electrolytes and administering the medication (Choice D) overlooks the need for a specific evaluation of renal function in this scenario.
5. A client with a history of lung disease is at risk for respiratory acidosis. For which of the following signs and symptoms does the nurse assess this client?
- A. Disorientation and dyspnea
- B. Drowsiness, headache, and tachypnea
- C. Tachypnea, dizziness, and paresthesias
- D. Dysrhythmias and decreased respiratory rate and depth
Correct answer: A
Rationale: The correct answer is A: Disorientation and dyspnea. In respiratory acidosis, the retention of carbon dioxide leads to an increase in carbonic acid, causing the pH of the blood to decrease. This can result in symptoms such as dyspnea (difficulty breathing) due to hypoxia and disorientation due to the effects of hypercapnia (elevated carbon dioxide levels) on the brain. Choice B is incorrect because while drowsiness and tachypnea can be present in respiratory acidosis, headache is not a common symptom. Choice C is incorrect because dizziness and paresthesias are not typical symptoms of respiratory acidosis. Choice D is incorrect because dysrhythmias and a decreased respiratory rate and depth are more commonly associated with respiratory alkalosis, not respiratory acidosis.
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