HESI RN
Evolve HESI Medical Surgical Practice Exam
1. A client has a long history of hypertension. Which category of medication would the nurse expect to be ordered to avoid chronic kidney disease (CKD)?
- A. Antibiotic
- B. Histamine blocker
- C. Bronchodilator
- D. Angiotensin-converting enzyme (ACE) inhibitor
Correct answer: D
Rationale: The correct answer is D, Angiotensin-converting enzyme (ACE) inhibitor. ACE inhibitors inhibit the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. By blocking this conversion, ACE inhibitors promote vasodilation and improve perfusion to the kidneys. Additionally, ACE inhibitors block the breakdown of bradykinin and prostaglandin, further contributing to vasodilation. They also lead to increased renin and decreased aldosterone levels. These effects help in reducing blood pressure and protecting the kidneys in clients with hypertension. Antibiotics are used to fight infections, histamine blockers reduce inflammation, and bronchodilators widen the bronchi, none of which address the underlying processes involved in slowing the progression of chronic kidney disease (CKD) in hypertensive clients.
2. In a patient with chronic kidney disease, which of the following is a common complication?
- A. Hyperkalemia.
- B. Hypernatremia.
- C. Hypocalcemia.
- D. Hyperphosphatemia.
Correct answer: A
Rationale: Hyperkalemia is a common complication in chronic kidney disease due to the kidneys' reduced ability to excrete potassium. As kidney function declines, potassium levels may increase, leading to hyperkalemia. Hypernatremia (increased sodium levels), hypocalcemia (low calcium levels), and hyperphosphatemia (elevated phosphate levels) are not typically associated with chronic kidney disease. Therefore, the correct answer is hyperkalemia.
3. A healthcare professional is reviewing the results of serum laboratory studies of a client with suspected hepatitis. Which increased parameter is interpreted as the most specific indicator of this disease?
- A. Hemoglobin
- B. Serum bilirubin
- C. Blood urea nitrogen (BUN)
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: B
Rationale: Serum bilirubin is the most specific indicator of hepatitis as it reflects liver dysfunction. Hemoglobin, blood urea nitrogen (BUN), and erythrocyte sedimentation rate (ESR) are not specific to hepatitis. Hemoglobin measures the oxygen-carrying capacity of red blood cells, BUN evaluates kidney function, and ESR is a nonspecific marker of inflammation or infection.
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. Prior to a percutaneous kidney biopsy, which actions should a nurse take? (Select all that apply.)
- A. Keep the client NPO for 4 to 6 hours.
- B. Obtain coagulation study results.
- C. Maintain strict bedrest in a supine position.
- D. A & B
Correct answer: D
Rationale: Prior to a percutaneous kidney biopsy, the nurse should ensure that the client is kept NPO for 4 to 6 hours to prevent aspiration during the procedure. Obtaining coagulation study results is crucial to assess the risk of bleeding during and after the biopsy. Strict bedrest in a supine position is not necessary before the procedure. It is important to note that blood pressure medications should be carefully managed, but it is not a pre-procedure action. Keeping the client on bedrest or assessing for blood in the urine are interventions that are more relevant post-procedure to monitor for complications.
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