HESI RN
HESI 799 RN Exit Exam
1. A client with a history of chronic heart failure is admitted with shortness of breath and crackles in the lungs. Which diagnostic test should the nurse anticipate preparing the client for first?
- A. Chest X-ray
- B. Arterial blood gases (ABGs)
- C. Echocardiogram
- D. Electrocardiogram (ECG)
Correct answer: C
Rationale: The correct answer is C: Echocardiogram. An echocardiogram should be performed first to assess ventricular function and evaluate the cause of shortness of breath and crackles in a client with heart failure. An echocardiogram provides valuable information about the heart's structure and function, helping to identify potential issues related to heart failure. Chest X-ray (Choice A) may be done to assess for changes in heart size or fluid in the lungs but does not directly assess heart function. Arterial blood gases (Choice B) may provide information about oxygenation but do not directly evaluate heart function. An electrocardiogram (Choice D) assesses the heart's electrical activity but does not provide detailed information about ventricular function, which is crucial in heart failure management.
2. A client with type 1 diabetes is admitted with diabetic ketoacidosis (DKA). Which laboratory value is most concerning?
- A. Serum glucose of 300 mg/dl
- B. Serum bicarbonate of 18 mEq/L
- C. Serum potassium of 5.5 mEq/L
- D. Serum sodium of 135 mEq/L
Correct answer: C
Rationale: A serum potassium level of 5.5 mEq/L is concerning in a client with DKA as it may indicate worsening hyperkalemia, requiring immediate intervention. Elevated serum potassium levels can lead to life-threatening cardiac arrhythmias. While elevated glucose and low bicarbonate are characteristic of DKA, hyperkalemia poses a higher immediate risk. Serum sodium within the normal range is not typically a primary concern in DKA.
3. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which clinical finding is most concerning to the nurse?
- A. Kussmaul respirations
- B. Blood glucose level of 300 mg/dl
- C. Serum potassium of 3.2 mEq/L
- D. Positive urine ketones
Correct answer: C
Rationale: The correct answer is C: Serum potassium of 3.2 mEq/L. A low serum potassium level in a client with DKA is concerning due to the risk of cardiac arrhythmias. Kussmaul respirations (choice A) are a compensatory mechanism for metabolic acidosis in DKA. A blood glucose level of 300 mg/dl (choice B) is elevated but expected in DKA. Positive urine ketones (choice D) are a classic finding in DKA and not as concerning as low serum potassium.
4. 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.
5. The nurse is reinforcing home care instructions with a client who is being discharged following a transurethral resection of the prostate (TURP). Which intervention is most important for the nurse to include in the client teaching?
- A. Avoid strenuous activity for 6 weeks.
- B. Report fresh blood in the urine.
- C. Take acetaminophen for a fever over 101°F.
- D. Consume 6 to 8 glasses of water daily.
Correct answer: B
Rationale: Reporting fresh blood in the urine is crucial as it may indicate postoperative complications requiring immediate attention. This symptom can be a sign of bleeding, infection, or other issues that need prompt medical evaluation. Avoiding strenuous activity for 6 weeks is important but not as urgent as reporting fresh blood. Taking acetaminophen for a fever over 101°F is relevant but addressing fresh blood in the urine takes precedence. Consuming an adequate amount of water daily is beneficial but not as critical as recognizing and reporting signs of potential complications.
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