YIELD REVIEW: HEART PHYSIOLOGY TO 12-
LEAD PLACEMENT (2026–2027)
With an ECG, which of the following would be considered the
correct term for the dips and spikes? - THE CORRECT ANSWER-
Waveforms
Which of the following would be considered the correct term if
the QRS complexes are different in size? - THE CORRECT ANSWER-
Both A [Torsades de Pointes] and C [Polymorphic ventricular
tachycardia]
Which of the following would be considered the normal rate for
the firing of the SA node? - THE CORRECT ANSWER-60 to 100 beats
per minute
When The ECG technician is preparing to do an ECG on a
patient, which of the following might be considered a reason for
them to wear gloves? - THE CORRECT ANSWER-Potential contact with
blood, body fluids, mucous membranes or non intact skin.
The normal PR interval measurement would be considered? -
THE CORRECT ANSWER-0.12-0.20
An electrical power outage could cause which of the following? -
THE CORRECT ANSWER-60-cycle interference
, Another term for biventricular pacing would be considered
which of the following? - THE CORRECT ANSWER-CRT- cardiac
resynchronization therapy
Which of the following statements is correct about ventricular
tachycardia (VT)? - THE CORRECT ANSWER-The longer the patient
stays in VT the harder it will be to get them to convert to a
normal rhythm.
Which of the following is the most correct definition of a
cardiac cycle? - THE CORRECT ANSWER-A cardiac cycle is considered a
complete heartbeat.
When reviewing the patient's medical history, the ECG
technician should check for the CC. Which of the following
would CC stand for? - THE CORRECT ANSWER-Chief complaint
When the ECG technician is preparing to perform an ECG on a
patient, which of the following skin preparations should be
performed prior to the test? - THE CORRECT ANSWER-Both A and B.
The technician should use an alcohol prep pad/benzoin tincture
on the patient's skin to help remove any oils so that the
electrodes will adhere better and if the patient is hairy, the
technician should shave the area that could interfere with the
electrode placement so the electrode will be secure on the skin.
Which of the following would be the medical term used for a
person's breastbone?
Sternum - THE CORRECT ANSWER-Sternum