SOLUTION QUESTIONS AND ANSWERS
GRADED A+
●● A client is suspected of having cardiac damage. The nurse realizes
that which of the following
diagnostic tests is most commonly used to help diagnose this clients
possible cardiac damage or disease?
1.12-lead electrocardiogram
2. Arterial blood gases
3.Cardiac angiogram
4.Cardiac enzymes.
Answer: 1. 12-lead electrocardiogram
A 12-lead electrocardiogram is a quick and accurate diagnostic tool used
to evaluate heart damage
and disease. The other diagnostic tests require a longer time for results
and/or are invasive
procedures requiring some preparation.
●● The nurse is analyzing a clients electrocardiogram tracing. Which of
the following complexes is
not normally seen on an electrocardiogram tracing?
, 1.P wave
2.QRS complex
3.T wave
4.U wave.
Answer: 4. U wave
A U wave is not always seen and can be very small. It can indicate
electrolyte imbalance, medication
effects, and ischemia. The P wave, QRS complex, and T wave are
normally seen in the
electrocardiogram tracing.
●● The nurse is analyzing a clients electrocardiogram tracing and
realizes that each small square on
the paper is equal to:
1.0.04 second.
2.0.12 second.
3.0.20 second.
4.0.40 second..
Answer: 1. 0.04 second.
The small square on the ECG graph paper equals 0.04 second. The large
square equals 0.20 second.