ATI RN
ATI RN NSG 232 Exam Med Surg Questions
Extract:
Question 1 of 5
A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?
Correct Answer: B
Rationale: A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.
Question 2 of 5
A nurse is caring for a client admitted with hypertensive emergency. The nurse is aware the treatment goals for the patient include which of the following?
Correct Answer: D
Rationale: Reducing blood pressure by 25% to 30% within the first hour, aiming for up to 50%, is the goal in hypertensive emergency.
Question 3 of 5
A nurse is caring for a client in a critical care unit who is 4 hours post operative coronary artery bypass surgery. The nurse performs the reassessment and suspects the client may be developing a pericardial effusion. What assessment findings would the nurse note in this case?
Correct Answer: C
Rationale: Diminished heart sounds are noted due to fluid accumulation around the heart in pericardial effusion.
Question 4 of 5
A nurse is teaching a newly licensed nurse about evaluating cardiac rhythms. Which of the following best explains calculation of the heart rate?
Correct Answer: B
Rationale: Counting QRS complexes in a 6-second strip and multiplying by 10 is a quick, accurate way to calculate heart rate.
Question 5 of 5
A nurse is caring for a client who is scheduled for an exercise stress test. Which of the following medications should the nurse hold the morning of the stress test?
Correct Answer: A
Rationale: Tenormin (Atenolol), a beta-blocker, reduces heart rate and may affect stress test results, so it should be held.