HESI RN
HESI 799 RN Exit Exam
1. A client with a history of hypertension is admitted with shortness of breath and chest pain. Which diagnostic test should the nurse anticipate preparing the client for first?
- A. Electrocardiogram (ECG)
- B. Chest X-ray
- C. Pulmonary function tests (PFTs)
- D. Arterial blood gases (ABGs)
Correct answer: A
Rationale: The correct answer is A: Electrocardiogram (ECG). An ECG should be performed first to assess for cardiac ischemia in a client presenting with shortness of breath and chest pain. This test helps in evaluating the electrical activity of the heart and can identify signs of myocardial infarction or other cardiac issues. Choice B, Chest X-ray, may be ordered after the ECG to assess for pulmonary conditions like pneumonia or effusions. Choice C, Pulmonary function tests (PFTs), are used to evaluate lung function and are not the primary diagnostic tests for a client with symptoms of cardiac origin. Choice D, Arterial blood gases (ABGs), may provide information about oxygenation but are not the initial test indicated for a client with suspected cardiac issues.
2. A client with a head injury is receiving mechanical ventilation. Which finding indicates to the nurse that the client may be experiencing increased intracranial pressure (ICP)?
- A. Widening pulse pressure
- B. Sudden drop in heart rate
- C. A decrease in urine output
- D. Elevated blood pressure and widening pulse pressure
Correct answer: D
Rationale: In a client with increased intracranial pressure (ICP), the body's compensatory mechanisms lead to an elevation in blood pressure and a widening pulse pressure. This occurs due to the body's attempt to maintain cerebral perfusion. Therefore, elevated blood pressure and widening pulse pressure are classic signs of increased ICP and necessitate immediate attention. Choices A, B, and C are incorrect because a widening pulse pressure, sudden drop in heart rate, or decreased urine output are not specific indicators of increased ICP.
3. A client with a history of chronic obstructive pulmonary disease (COPD) is admitted with an exacerbation. Which assessment finding requires immediate intervention?
- A. Barrel-shaped chest
- B. Use of accessory muscles
- C. Oxygen saturation of 85%
- D. Inspiratory crackles
Correct answer: C
Rationale: An oxygen saturation of 85% is significantly low for a client with COPD and requires immediate intervention to prevent hypoxemia. Oxygen saturation below 90% indicates poor oxygenation and poses a risk of tissue hypoxia, making it a critical finding that needs prompt attention. Barrel-shaped chest and inspiratory crackles are commonly seen in clients with COPD and do not necessitate immediate intervention. The use of accessory muscles may indicate increased work of breathing but does not pose the same level of immediate threat as severe hypoxemia.
4. The nurse is caring for a client with a history of myocardial infarction who is complaining of chest pain. Which intervention should the nurse implement first?
- A. Administer oxygen therapy as prescribed.
- B. Administer nitroglycerin sublingually as prescribed.
- C. Obtain an electrocardiogram (ECG).
- D. Assess the client's level of consciousness.
Correct answer: C
Rationale: Obtaining an electrocardiogram (ECG) is the first priority in assessing for ischemia or infarction in a client with chest pain and a history of myocardial infarction. This diagnostic test provides crucial information about the heart's electrical activity and helps in identifying any acute cardiac changes. Administering oxygen therapy and nitroglycerin can be important interventions, but obtaining an ECG takes precedence as it directly assesses the client's cardiac status. Assessing the client's level of consciousness is also essential, but in this scenario, assessing for cardiac indications through an ECG is the initial step.
5. A client with cirrhosis is admitted with ascites and jaundice. Which assessment finding is most concerning?
- 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 are concerning signs of hepatic encephalopathy in a client with cirrhosis. Hepatic encephalopathy is a serious complication of liver disease that requires immediate intervention. Peripheral edema may be present due to fluid accumulation, increased abdominal girth can indicate ascites which is common in cirrhosis, and yellowing of the skin is a typical manifestation of jaundice in liver dysfunction, all of which are important but not as immediately concerning as signs of hepatic encephalopathy.
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