HESI RN
HESI 799 RN Exit Exam
1. 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.
2. A client with type 1 diabetes is admitted with diabetic ketoacidosis (DKA). Which intervention should the nurse implement first?
- A. Administer intravenous insulin as prescribed.
- B. Monitor the client's urine output.
- C. Administer intravenous fluids.
- D. Administer 50% dextrose IV push.
Correct answer: A
Rationale: Administering intravenous insulin is the initial priority in managing diabetic ketoacidosis (DKA). Insulin helps to reduce blood glucose levels and correct metabolic acidosis, addressing the underlying cause of DKA. Monitoring urine output (choice B) is important but is not the first intervention needed. Administering intravenous fluids (choice C) is essential to correct dehydration in DKA, but insulin therapy takes precedence. Administering 50% dextrose IV push (choice D) is contraindicated in DKA as it can exacerbate hyperglycemia.
3. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who is receiving supplemental oxygen. Which laboratory value is most concerning?
- A. Serum sodium of 135 mEq/L
- B. Serum potassium of 4.0 mEq/L
- C. Serum bicarbonate of 18 mEq/L
- D. Serum glucose of 300 mg/dL
Correct answer: C
Rationale: A serum bicarbonate level of 18 mEq/L is most concerning in a client with COPD as it indicates metabolic acidosis, requiring immediate intervention. In COPD, patients often retain carbon dioxide, leading to respiratory acidosis. A low serum bicarbonate level suggests that the body is compensating for this respiratory acidosis by increasing bicarbonate levels to maintain balance. Therefore, a low serum bicarbonate level in this scenario is alarming. Choices A, B, and D are within normal ranges and not directly related to the acid-base imbalance seen in COPD.
4. A client with a tracheostomy has thick, tenacious secretions. Which intervention should the nurse include in the plan of care?
- A. Encourage the client to drink plenty of fluids.
- B. Perform deep suctioning every 2 to 4 hours.
- C. Increase humidity in the client's room.
- D. Administer a mucolytic agent.
Correct answer: C
Rationale: Increasing humidity in the client's room can help liquefy thick secretions and facilitate easier airway clearance in a client with a tracheostomy. Encouraging the client to drink plenty of fluids can be beneficial for overall hydration but may not directly address thick secretions. Deep suctioning every 2 to 4 hours can be harmful and cause trauma to the airway lining. Administering a mucolytic agent should be done under the healthcare provider's order and may not be the initial intervention for thick secretions.
5. A client with a history of chronic obstructive pulmonary disease (COPD) is admitted with pneumonia. Which assessment finding requires immediate intervention?
- A. Oxygen saturation of 90%
- B. Respiratory rate of 24 breaths per minute
- C. Use of accessory muscles
- D. Inspiratory crackles
Correct answer: C
Rationale: The correct answer is C: Use of accessory muscles. In a client with COPD and pneumonia, the use of accessory muscles indicates increased work of breathing and may signal respiratory failure. Immediate intervention is necessary to prevent further deterioration of the respiratory status. Choice A, an oxygen saturation of 90%, though low, may not require immediate intervention as it is above the typical threshold for initiating supplemental oxygen. Choice B, a respiratory rate of 24 breaths per minute, falls within the normal range for an adult and may not be an immediate cause for concern. Choice D, inspiratory crackles, are indicative of fluid in the lungs but may not require immediate intervention unless accompanied by other concerning signs like decreased oxygen saturation or increased respiratory distress.
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