HESI RN
HESI RN Exit Exam
1. The nurse is caring for a client who is postoperative following a thyroidectomy. Which assessment finding is most concerning?
- A. Slight difficulty swallowing
- B. Hoarse voice
- C. Positive Chvostek's sign
- D. Pain at the incision site
Correct answer: C
Rationale: A positive Chvostek's sign is the most concerning assessment finding as it suggests hypocalcemia, which is a potential complication following thyroidectomy. Hypocalcemia can lead to serious complications such as tetany and laryngospasm. Immediate intervention is required to prevent further complications. Choices A, B, and D are common post-thyroidectomy findings and are expected during the immediate postoperative period. Slight difficulty swallowing may be due to postoperative swelling, a hoarse voice may be temporary due to intubation trauma, and pain at the incision site is normal after surgery.
2. After multiple attempts to stop drinking, an adult male is admitted to the medical intensive care unit (MICU) with delirium tremens. He is tachycardic, diaphoretic, restless, and disoriented. Which finding indicates a life-threatening condition?
- A. Widening QRS complexes and flat T waves
- B. Tachycardia and elevated blood pressure
- C. Restlessness and anxiety
- D. Diaphoresis and dehydration
Correct answer: A
Rationale: The correct answer is A: Widening QRS complexes and flat T waves. In the context of an adult male with delirium tremens and symptoms like tachycardia, diaphoresis, restlessness, and disorientation, the presence of widening QRS complexes and flat T waves on an ECG suggests severe electrolyte imbalance, particularly hypokalemia. This severe electrolyte imbalance can lead to life-threatening arrhythmias such as ventricular tachycardia or fibrillation. Tachycardia and elevated blood pressure (choice B) can be expected in delirium tremens but do not directly indicate a life-threatening condition as widening QRS complexes and flat T waves do. Restlessness and anxiety (choice C) are common symptoms of delirium tremens but do not specifically signify a life-threatening condition. Diaphoresis and dehydration (choice D) are also common in delirium tremens but do not directly point towards a life-threatening electrolyte imbalance as widening QRS complexes and flat T waves do.
3. The nurse is caring for a client with diabetic ketoacidosis (DKA). Which laboratory value requires immediate intervention?
- A. Serum glucose of 300 mg/dL
- B. Serum potassium of 4.5 mEq/L
- C. Serum bicarbonate of 15 mEq/L
- D. Serum pH of 7.28
Correct answer: D
Rationale: A serum pH of 7.28 indicates metabolic acidosis in a client with diabetic ketoacidosis (DKA), requiring immediate intervention. In DKA, the body produces excess ketones, leading to acidosis. Monitoring and correcting the pH level is crucial in managing DKA. Serum glucose levels may be high in DKA, but the immediate concern is correcting the acidosis to prevent complications. Serum potassium and bicarbonate levels are also important but not as immediately critical as correcting the acidosis in DKA.
4. The nurse is caring for a client with a history of atrial fibrillation who is prescribed warfarin (Coumadin). Which laboratory value should the nurse monitor closely?
- A. Prothrombin time (PT)
- B. Hemoglobin level
- C. International Normalized Ratio (INR)
- D. Serum sodium level
Correct answer: C
Rationale: The INR should be closely monitored in a client prescribed warfarin (Coumadin) to assess the effectiveness and safety of anticoagulation therapy. Monitoring the INR helps determine if the client's blood is clotting appropriately. While prothrombin time (PT) is related to warfarin therapy, the INR is a more precise measure. Hemoglobin level and serum sodium level are not directly related to monitoring warfarin therapy.
5. In a client with cirrhosis admitted with ascites and jaundice, which clinical finding requires immediate intervention?
- A. Peripheral edema
- B. Confusion and altered mental status
- C. Increased abdominal girth
- D. Yellowing of the skin
Correct answer: B
Rationale: Confusion and altered mental status in a client with cirrhosis and associated ascites and jaundice are indicative of hepatic encephalopathy, a serious complication that requires immediate intervention. This condition can progress rapidly and lead to coma if not addressed promptly. Peripheral edema (choice A) and increased abdominal girth (choice C) are common manifestations of fluid retention in cirrhosis but may not require immediate intervention unless severe. Yellowing of the skin (choice D) is a classic sign of jaundice, which is already known in this client and may not necessitate immediate intervention unless associated with other concerning symptoms.
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