QUESTIONS WITH VERIFIED ANSWERS
During an exercise stress test, a 2.0 mm down sloping ST segment was observed 6
minutes into the Bruce protocol. This would be considered a:
positive test.
negative test.
false positive test.
false negative test. - Correct Answer -positive test.
Which ventricular response would be MOST CONSISTENT with uncontrolled atrial
flutter?
60 bpm
75 bpm
90 bpm
120 bpm - Correct Answer -120 bpm
Left bundle branch block is characterized by _____ in lead V1.
P wave absent, QRS complex measuring less than 0.12 seconds
P wave present, QRS complex measuring less than 0.12 seconds
P wave absent, QRS complex measuring 0.12 seconds or greater
,P wave present, QRS complex measuring 0.12 seconds or greater - Correct Answer
-P wave present, QRS complex measuring 0.12 seconds or greater
When the excitation impulse is propagated from cell to cell within the heart, it is
known as:
excitability.
rhythmicity.
conductivity.
automaticity. - Correct Answer -conductivity.
How long is a Holter monitor normally attached to the patient in order to record
an adequate ECG?
12 hours
24 to 48 hours
21 days
30 days - Correct Answer -24 to 48 hours
When transferring a patient from a bed to a stretcher, which of the following
techniques should be employed?
Put the head of the bed down and adjust the bed height.
,Instruct the patient to place their arms down at their sides.
Place a slide-board under the entire patient prior to transfer.
Place the patient in a prone position in their bed to easily facilitate transfer. -
Correct Answer -Place a slide-board under the entire patient prior to transfer.
What is the standard calibration for an ECG machine compared to the standard
sweep speed while performing an ECG?
5 mm/mV for calibration compared to 25 mm/mV for performing ECG
10 mm/mV for calibration compared to 25 mm/mV for performing ECG
25 mm/mV for calibration compared to 50 mm/mV for performing ECG
100 mm/mV for calibration compared to 50 mm/mV for performing ECG - Correct
Answer -10 mm/mV for calibration compared to 25 mm/mV for performing ECG
Which of the following would be acceptable to correct somatic tremor artifact on
a 12 lead ECG tracing?
Plug ECG machine into a different electrical outlet.
Replace loose electrodes and remove wire tension.
Move patient's bed away from electrical sources such as elevator.
Have patient place hands under buttocks, instructing him/her not to move -
Correct Answer -Have patient place hands under buttocks, instructing him/her not
to move.
, Which of the following is an absolute contraindication to administering Lexiscan
(regadenosine)?
COPD
severe hypertension
third degree heart block
known coronary artery disease - Correct Answer -third degree heart block
Which waveform on an ECG represents ventricular repolarization?
P wave
R wave
T wave
U wave - Correct Answer -T wave
You are explaining the Bruce protocol and post-test expectations to your patient.
Which of the following BEST describes what should occur after the patient reaches
the THR?
The treadmill will slow for one minute and then stop.
The treadmill will be immediately stopped and the patient will sit down.
The treadmill will be stopped when the patient's heart rate returns to less than
100 beats per minute.
The treadmill will slow, then stop and the patient will continue to have vital signs
monitored for 10-15 minutes. - Correct Answer -The treadmill will slow, then stop
and the patient will continue to have vital signs monitored for 10-15 minutes.