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CCI's CCT prep Questions and Answers 100% Solved
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CCI's CCT prep Questions and Answers 100% Solved
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CCI's CCT prep Questions and Answers 100% SolvedYou are beginning the warmup stage of a treadmill stress test and you observe a 3mm ST
segment depression in leads I and aVL. What is the first thing you should do?
continue with your pre-test activities
initiate the first stage of the protocol
stop the treadmill and notify the physician
make a note and continue with the protocol Correct Ans-stop the treadmill and notify the
physician
The intrinsic rate of the Purkinje network in the ventricles is:
20 to 40 beats per minute.
40 to 60 beats per minute.
60 to 100 beats per minute.
100 to 150 beats per minute. Correct Ans-20 to 40 beats per minute.
What is the heart rate of an ECG with a constant R-R interval of 30mm recorded at a standard
paper speed? Correct Ans-50 bpm
RR duration = R-R interval/paper speed
HR=60s / RR duration
, CCI's CCT prep Questions and Answers 100% Solved
30mm / 25mm/s = 1.2s
60s / 1.2 = 50bpm
Which statement is correct regarding premature ventricular complexes (PVCs)?
PVCs originate from the atrium.
PVCs may be unifocal or multifocal in origin.
PVCs will not lead to ventricular tachycardia.
PVCs only originate from one site in the ventricles. Correct Ans-PVCs may be unifocal or
multifocal in origin.
A regular rhythm at a rate of 40-60 beats per minute, with narrow QRS complexes, and no
visible P waves, is consistent with the presence of:
atrial fibrillation.
sinus bradycardia.
junctional rhythm.
idioventricular rhythm. Correct Ans-junctional rhythm.
What is the proper lead placement for a right side 12 lead ECG?
limb leads only placed in a mirror image of a standard 12 lead ECG
, CCI's CCT prep Questions and Answers 100% Solved
chest leads only placed in a mirror image of a standard 12 lead ECG
leads V1, V2, V3 only placed in a mirror image of a standard 12 lead ECG
leads V4, V5, V6 only placed in a mirror image of a standard 12 lead ECG Correct Ans-chest
leads only placed in a mirror image of a standard 12 lead ECG
When conducting a Lexiscan stress test on a patient who is on a stretcher, what safety
precaution should be taken?
run a 12-lead ECG
have crash cart available
ensure patient has a pillow
place patient in Trendelenburg Correct Ans-run a 12-lead ECG
Per stress test protocol, exercise capacity should be reported in _____ of exercise.
exact metastatic equivalents (METs)
anatomic metaphysic electrons (AMEs)
estimated metabolic equivalents (METs)
approximated minutes of exercise (AMEs) Correct Ans-estimated metabolic equivalents
(METs)
, CCI's CCT prep Questions and Answers 100% Solved
Left ventricular hypertrophy is indicated when the combined measured amplitude is greater
than or equal to 35 mm in which of the following leads?
V1 or V2 S-wave, II or AVF R-wave
V1 or V2 S-wave, V3 or V4 R-wave
V1 or V2 S-wave, V5 or V6 R-wave
V3 or V4 S-wave, V5 or V6 R-wave Correct Ans-V1 or V2 S-wave, V5 or V6 R-wave
Lead V6 should be placed
left mid-axillary line, 5th intercostal space.
mid-clavicular level on the patient's right side.
fifth intercostal space on the patient's right side.
mid-sternal level in the center of the patient's chest wall. Correct Ans-left mid-axillary line,
5th intercostal space.
Which of the following rhythms has an intrinsic rate of 40-60 beats per minute?
SA nodal
AV junctional
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