Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
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?
A. The PR interval gets longer then drops.
This describes a second-degree heart block, specifically Mobitz Type I (Wenckebach).
B. PR interval greater than 0.20 seconds in duration
A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.
C. There are absent P waves
This describes third-degree heart block, also known as complete heart block.
D. R-R is irregular
An irregular R-R interval is not specific to first-degree heart block.
This question is an excerpt from Nurse Dive's nursing test bank - Ati Rn Nsg 232 Proctored Exam Med Surg. Take the full exam now
Full Explanation
Rationale:
A. This describes a second-degree heart block, specifically Mobitz Type I (Wenckebach).
B. A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.
C. This describes third-degree heart block, also known as complete heart block.
D. An irregular R-R interval is not specific to first-degree heart block.
Similar Questions
A nurse is caring for a client with infective endocarditis with involvement of the tricuspid valve. Which of the following is the appropriate education the nurse should provide to the client prior to discharge.
A. The client will need annual flu vaccine
The client may need an annual flu vaccine, but this is not specific to infective endocarditis.
B. Update Covid 19 vaccination
Updating the Covid-19 vaccination is important, but this is not specific to infective endocarditis.
C. You will require antibiotics before dental work.
The client will require antibiotics before dental work to prevent the spread of bacteria from the mouth to the heart.
D. Avoid sick contacts
Avoiding sick contacts is important for general health but is not specific to infective endocarditis.
Full Explanation
Rationale:
A. The client may need an annual flu vaccine, but this is not specific to infective endocarditis.
B. Updating the Covid-19 vaccination is important, but this is not specific to infective endocarditis.
C. The client will require antibiotics before dental work to prevent the spread of bacteria from the mouth to the heart.
D. Avoiding sick contacts is important for general health but is not specific to infective endocarditis.
A nurse is providing discharge instructions for a client diagnosed with congestive heart failure. Which of the following client statements indicates to the nurse that the teaching was effective?
A. "I will take my diuretic before sleep and drink fluids during the day."
Taking a diuretic before sleep and drinking fluids during the day is important but does not specifically address sodium intake.
B. "I will read food labels and limit my sodium to 4 grams per day."
This statement indicates an understanding of the importance of limiting sodium intake, which is crucial in managing congestive heart failure.
C. "I plan to pace my activities to avoid fatigue."
Pacing activities is important but is not specific to sodium intake.
D. "I should use naproxen to manage discomfort."
Naproxen is not typically used to manage discomfort in congestive heart failure.
Full Explanation
Rationale:
A. Taking a diuretic before sleep and drinking fluids during the day is important but does not specifically address sodium intake.
B. This statement indicates an understanding of the importance of limiting sodium intake, which is crucial in managing congestive heart failure.
C. Pacing activities is important but is not specific to sodium intake.
D. Naproxen is not typically used to manage discomfort in congestive heart failure.
A nurse is caring for a client diagnosed with atrial fibrillation and is receiving heparin. Which of the following findings is the nurse's priority?
A. The client experiences sudden weakness of one arm and leg
Sudden weakness of one arm and leg may indicate a stroke, which is a potential complication of atrial fibrillation.
B. The client's ECG tracing shows irregular heart rate without P waves.
An irregular heart rate without P waves is characteristic of atrial fibrillation and is expected.
C. The client's urine output is cloudy and odorous.
Cloudy and odorous urine may indicate a urinary tract infection but is not the priority in this case.
D. The client has an aPTT of 80 seconds.
An aPTT of 80 seconds is within the therapeutic range for heparin therapy.
Full Explanation
Rationale:
A. Sudden weakness of one arm and leg may indicate a stroke, which is a potential complication of atrial fibrillation.
B. An irregular heart rate without P waves is characteristic of atrial fibrillation and is expected.
C. Cloudy and odorous urine may indicate a urinary tract infection but is not the priority in this case.
D. An aPTT of 80 seconds is within the therapeutic range for heparin therapy.