Certification test review questions and
answers. MEDICAL PROCEDURES D.
DIAGNOSTIC TESTING & LABORATORY
PROCEDURES 2. ELECTROCARDIOGRAPHY
In the positioning of the electrodes, if the electrodes are placed too
close together, the amplitude will be? -
correct answer ✅Small
The large squares on the ECG paper are equal to? -
correct answer ✅0.20 sec
A "V wave" will ___?___ be seen in a normal EKG. -
correct answer ✅Never
The ___?___ switch controls the gain or amplitude in the EKG. -
correct answer ✅Sensitivity
When preparing for lead placement you should first care for? -
correct answer ✅Skin preparation
, NCCT Medical Assistant National
Certification test review questions and
answers. MEDICAL PROCEDURES D.
DIAGNOSTIC TESTING & LABORATORY
PROCEDURES 2. ELECTROCARDIOGRAPHY
Conversion of a dysrythmia to a normal rhythm by applying electric
shock to the chest is called? -
correct answer ✅Defibrillation
Which of the following is NOT a criteria for skin preparation for lead
placement? -
correct answer ✅Make sure the skin is damp when applying the
electrode
The electrode site should be? -
correct answer ✅Clean, smooth & dry
An ECG tracing measures the amount of voltage & the ___?___ it
takes for the voltage to travel throughout the heart. -
correct answer ✅Time
In the application of electrodes, secure the electrode by rubbing
your finger around the ___?___ area. -
correct answer ✅Adhesive