HESI RN
HESI RN Exit Exam
1. A client with 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. The use of accessory muscles indicates increased work of breathing and can signal respiratory failure in a client with COPD. This finding requires immediate intervention to prevent further respiratory compromise. Oxygen saturation of 90% indicates some oxygenation impairment but may not necessitate immediate intervention. A respiratory rate of 24 breaths per minute is slightly elevated but does not indicate immediate respiratory distress. Inspiratory crackles may be present in pneumonia but do not require immediate intervention compared to the increased work of breathing indicated by the use of accessory muscles.
2. The nurse is reviewing a client's electrocardiogram and determines the PR interval (PRI) is prolonged. What does this finding indicate?
- A. Initiation of the impulses from a location outside the SA node
- B. Inability of the SA node to initiate an impulse at the normal rate
- C. Increased conduction time from the SA node to the AV junction
- D. Interference with the conduction through one or both ventricles
Correct answer: C
Rationale: When the PR interval is prolonged, it signifies an increased conduction time from the SA node through the AV junction. This finding is characteristic of a first-degree heart block where there is a delay in the electrical conduction at the level of the AV node. Choices A, B, and D are incorrect as they do not accurately reflect the significance of a prolonged PR interval.
3. A client with a history of myocardial infarction is admitted with chest pain. Which diagnostic test should the nurse anticipate preparing the client for first?
- A. Electrocardiogram (ECG)
- B. Chest X-ray
- C. Arterial blood gases (ABGs)
- D. Echocardiogram
Correct answer: A
Rationale: The correct answer is A: Electrocardiogram (ECG). An electrocardiogram should be performed first to assess for cardiac ischemia in a client with a history of myocardial infarction and chest pain. This test provides immediate information about the heart's electrical activity. Choice B, Chest X-ray, is used to visualize the structures of the chest, including the heart and lungs, but it does not directly assess for cardiac ischemia. Choice C, Arterial blood gases (ABGs), measures the oxygen and carbon dioxide levels in the blood and assesses acid-base balance, which is not the primary concern in this scenario. Choice D, Echocardiogram, is an ultrasound of the heart that provides information about the heart's structure and function, but it is not the initial diagnostic test for assessing cardiac ischemia in this situation.
4. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who is receiving supplemental oxygen. Which finding requires immediate intervention?
- A. Oxygen saturation of 90%
- B. Respiratory rate of 24 breaths per minute
- C. Use of accessory muscles
- D. Blood pressure of 110/70 mmHg
Correct answer: C
Rationale: The correct answer is C. The use of accessory muscles indicates increased work of breathing and may signal respiratory failure in a client with COPD, requiring immediate intervention. Oxygen saturation of 90% is within an acceptable range for COPD patients on supplemental oxygen. A respiratory rate of 24 breaths per minute is slightly elevated but not an immediate concern. A blood pressure of 110/70 mmHg is within the normal range and does not require immediate intervention in this scenario.
5. The nurse is assessing a primigravida at 39-weeks gestation during a weekly prenatal visit. Which finding is most important for the nurse to report to the healthcare provider?
- A. Fetal heart rate of 200 beats/minute.
- B. Mild ankle edema.
- C. Complaints of back pain.
- D. Decreased fetal movements.
Correct answer: A
Rationale: A fetal heart rate of 200 beats per minute is significantly elevated and requires immediate medical attention. This finding could indicate fetal distress, tachycardia, or other serious issues that need prompt evaluation. Mild ankle edema, complaints of back pain, and decreased fetal movements are common in pregnancy but are not as urgent or concerning as a high fetal heart rate.
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