HESI RN
RN HESI Exit Exam
1. A client with a history of atrial fibrillation 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 correct answer is C, International Normalized Ratio (INR). 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 ensure that the client is within the therapeutic range for anticoagulation, reducing the risk of bleeding or clotting complications. Prothrombin time (A) is used to calculate the INR and monitor the effectiveness of warfarin therapy. Hemoglobin level (B) is important but not the primary lab value to monitor when a client is on warfarin. Serum sodium level (D) is not directly related to monitoring warfarin therapy.
2. What is the most important instruction for the nurse to provide a client being discharged following treatment for Guillain-Barre syndrome?
- A. Avoid exposure to respiratory infections.
- B. Use relaxation exercises when anxious.
- C. Continue physical therapy at home.
- D. Plan short, frequent rest periods.
Correct answer: A
Rationale: The most critical instruction for a client being discharged following treatment for Guillain-Barre syndrome is to avoid exposure to respiratory infections. Guillain-Barre syndrome can affect the respiratory system, making infections particularly dangerous. While relaxation exercises, physical therapy, and rest periods are beneficial for overall well-being and recovery, preventing respiratory infections takes precedence due to the potential life-threatening complications associated with respiratory compromise in Guillain-Barre syndrome.
3. 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.
4. In assessing a client 48 hours following a fracture, the nurse observes ecchymosis at the fracture site and recognizes that hematoma formation at the bone fragment site has occurred. What action should the nurse implement?
- A. Document the extent of the bruising in the medical record.
- B. Apply a cold compress to the area.
- C. Elevate the affected limb.
- D. Notify the healthcare provider.
Correct answer: A
Rationale: After observing ecchymosis at the fracture site, indicating hematoma formation, the nurse's priority is to document the extent of the bruising in the medical record. This documentation helps track the client's condition, aids in treatment planning, and serves as a baseline for monitoring changes. Applying a cold compress (choice B) may be contraindicated due to the risk of vasoconstriction and potential tissue damage. Elevating the affected limb (choice C) can be beneficial for reducing swelling in some cases, but documenting the bruising is the immediate concern. Notifying the healthcare provider (choice D) is not necessary at this stage unless there are other concerning symptoms or complications beyond the hematoma formation.
5. The nurse is assessing the thorax and lungs of a client who is experiencing respiratory difficulty. Which finding is most indicative of respiratory distress?
- A. Contractions of the sternocleidomastoid muscle.
- B. Respiratory rate of 20 breaths/min
- C. Downward movement of diaphragm with inspiration
- D. A pulse oximetry reading of SpO2 95%
Correct answer: A
Rationale: The correct answer is A: Contractions of the sternocleidomastoid muscle. Contractions of the sternocleidomastoid muscle suggest that the client is using accessory muscles to breathe, which is a clear sign of respiratory distress. This finding indicates that the client is working harder to breathe, typically seen in conditions like asthma, COPD, or respiratory failure. Choices B, C, and D are not the most indicative of respiratory distress. A respiratory rate of 20 breaths/min falls within the normal range. Downward movement of the diaphragm with inspiration is a normal finding indicating effective diaphragmatic breathing. A pulse oximetry reading of SpO2 95% is within the normal range and does not necessarily indicate respiratory distress.
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