HESI RN
HESI 799 RN Exit Exam
1. A client with chronic kidney disease (CKD) is admitted with hyperkalemia. Which assessment finding is most concerning?
- A. Bradycardia
- B. Muscle weakness
- C. Peaked T waves on the ECG
- D. Decreased deep tendon reflexes
Correct answer: C
Rationale: The correct answer is C: Peaked T waves on the ECG. In hyperkalemia, elevated potassium levels can affect the heart's electrical activity, leading to changes on the ECG such as peaked T waves. This finding is concerning as it can progress to serious cardiac arrhythmias, including ventricular tachycardia and fibrillation. Bradycardia (choice A) and decreased deep tendon reflexes (choice D) are not typically associated with hyperkalemia. While muscle weakness (choice B) can occur in hyperkalemia due to its effect on neuromuscular function, the most concerning assessment finding indicating the need for immediate intervention in this scenario is peaked T waves on the ECG.
2. When organizing home visits for the day, which older client should the home health nurse plan to visit first?
- A. A woman who takes naproxen (Naprosyn) and reports a recent onset of dark, tarry stools.
- B. A man who receives weekly injections of epoetin (Procrit) for a low serum iron level.
- C. A man with emphysema who smokes and is complaining of white patches in his mouth.
- D. A frail woman with heart failure who reported a 2-pound weight gain in the last week.
Correct answer: A
Rationale: The correct answer is A. Dark, tarry stools may indicate gastrointestinal bleeding, a potentially life-threatening condition that requires immediate attention. Visiting this client first is crucial for prompt assessment and intervention. Choices B, C, and D do not present immediate life-threatening conditions that require urgent attention compared to the potential emergency indicated by dark, tarry stools.
3. A client's subjective data includes dysuria, urgency, and urinary frequency. What action should the nurse implement next?
- A. Collect a clean-catch specimen
- B. Administer prescribed antibiotics
- C. Perform a bladder scan
- D. Increase the client's fluid intake
Correct answer: A
Rationale: The correct action for the nurse to implement next is to collect a clean-catch specimen. This is essential to diagnose the cause of the client's symptoms accurately before initiating any treatment. Administering antibiotics (Choice B) without confirming the diagnosis through a specimen collection can be inappropriate and potentially harmful. Performing a bladder scan (Choice C) may not provide the necessary information to identify the specific cause of the symptoms. Increasing the client's fluid intake (Choice D) is a general recommendation and may not address the underlying issue causing the symptoms.
4. The healthcare provider should observe most closely for drug toxicity when a client receives a medication that has which characteristic?
- A. Low bioavailability
- B. Rapid onset of action
- C. Short half-life
- D. Narrow therapeutic index
Correct answer: D
Rationale: The correct answer is D, narrow therapeutic index. Narrow therapeutic index (NTI) drugs are defined as those drugs where small differences in dose or blood concentration may lead to serious therapeutic failures or adverse drug reactions. Choices A, B, and C are not directly related to the risk of drug toxicity. Low bioavailability (Choice A) refers to the amount of drug that enters the bloodstream unchanged after administration. Rapid onset of action (Choice B) and short half-life (Choice C) are characteristics related to drug effectiveness and metabolism but do not necessarily indicate a higher risk of drug toxicity.
5. Which statement by the client indicates an understanding of the dietary modifications required with Cushing syndrome?
- A. I should increase my intake of foods high in calcium.
- B. I should avoid foods with high sodium content.
- C. I need to decrease my intake of vitamin D.
- D. I should consume more potassium-rich foods.
Correct answer: B
Rationale: The correct answer is B: 'I should avoid foods with high sodium content.' Clients with Cushing syndrome need to limit their sodium intake to help reduce fluid retention and manage hypertension, which are common complications of the syndrome. Increasing calcium intake (choice A) is not specifically indicated for Cushing syndrome. Decreasing vitamin D intake (choice C) is not a typical dietary modification for this condition. Consuming more potassium-rich foods (choice D) is not a primary focus of dietary modifications for Cushing syndrome.
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