HESI RN
Evolve HESI Medical Surgical Practice Exam
1. A client who has received sodium bicarbonate in large amounts is at risk for metabolic alkalosis. 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: D
Rationale: The correct answer is D. A client with metabolic alkalosis may present with dysrhythmias and a decreased respiratory rate and depth as the body tries to compensate by retaining carbon dioxide. Options A, B, and C do not typically correlate with the signs and symptoms of metabolic alkalosis. Disorientation, dyspnea, drowsiness, headache, tachypnea, dizziness, and paresthesias are not commonly associated with metabolic alkalosis. Therefore, they are incorrect choices.
2. A client with chronic renal failure is prescribed a low-protein diet. The nurse should explain to the client that the purpose of this diet is to:
- A. Prevent fluid overload.
- B. Reduce the workload on the kidneys.
- C. Prevent dehydration.
- D. Maintain electrolyte balance.
Correct answer: B
Rationale: The correct answer is B: 'Reduce the workload on the kidneys.' A low-protein diet is prescribed for clients with chronic renal failure to decrease the production of urea and other nitrogenous wastes, which can accumulate in the body when the kidneys are not functioning properly. This reduction in protein intake helps to lessen the burden on the kidneys, as they may have difficulty in filtering and excreting waste products. Choice A is incorrect because fluid overload is more related to restrictions in fluid intake rather than protein intake. Choice C is incorrect as a low-protein diet does not directly prevent dehydration. Choice D is incorrect because while electrolyte balance is essential in renal failure, the primary purpose of a low-protein diet is to reduce the workload on the kidneys by limiting the production of waste products.
3. When a patient is receiving high doses of a cephalosporin, which laboratory values will this patient's nurse monitor closely?
- A. Blood urea nitrogen (BUN), serum creatinine, and liver function tests
- B. Complete blood count and electrolytes
- C. Serum calcium and magnesium
- D. Serum glucose and lipids
Correct answer: A
Rationale: When a patient is receiving high doses of a cephalosporin, such as cefazolin, the nurse should closely monitor laboratory values that indicate renal and hepatic function. This includes checking the Blood Urea Nitrogen (BUN) and serum creatinine levels to assess kidney function. Additionally, monitoring liver function tests, such as AST, ALT, ALP, LDH, and bilirubin, is essential as cephalosporins can affect liver enzymes. Therefore, options B, C, and D are incorrect as they do not specifically address the parameters that are most pertinent when administering high doses of cephalosporins.
4. A client with heart disease is on a continuous telemetry monitor and has developed sinus bradycardia. In determining the possible cause of the bradycardia, the nurse assesses the client's medication record. Which medication is most likely the cause of the bradycardia?
- A. Propranolol (Inderal).
- B. Captopril (Capoten).
- C. Furosemide (Lasix).
- D. Dobutamine (Dobutrex).
Correct answer: A
Rationale: Propranolol (Inderal) is a beta-adrenergic blocking agent that acts to decrease heart rate and contractility. Sinus bradycardia is a common side effect of beta blockers due to their negative chronotropic effect on the heart. Captopril (Capoten) is an ACE inhibitor used for hypertension and heart failure, not associated with causing bradycardia. Furosemide (Lasix) is a loop diuretic that can lead to electrolyte imbalances but not commonly linked to bradycardia. Dobutamine (Dobutrex) is a beta-1 adrenergic agonist that increases heart rate and contractility, making it an unlikely cause of bradycardia in this scenario.
5. Which of the following is the most appropriate diet for a client during the acute phase of myocardial infarction?
- A. Liquids as desired.
- B. Small, easily digested meals.
- C. Three regular meals per day.
- D. Nothing by mouth.
Correct answer: B
Rationale: During the acute phase of myocardial infarction, it is recommended to provide small, easily digested meals for the client. This type of diet is better tolerated as it reduces the workload on the heart, allowing for easier digestion and absorption of nutrients. Choice A, 'Liquids as desired,' may not provide adequate nutrition and may not be well-balanced. Choice C, 'Three regular meals per day,' may be too heavy for the client's weakened condition. Choice D, 'Nothing by mouth,' is not appropriate as the client still requires essential nutrients for recovery.
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