EKG NCCT EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2025-2026
In the positioning of the electrodes, if the electrodes are placed too close together, the
amplitude will be - Answers small
The large squares on the ECG paper are equal to - Answers 0.20 sec
A "V wave" will_______be in a normal EKG - Answers never
The _______ switch controls the gain or amplitude on the EKG - Answers sensitivity
When preparing for lead placement you should first care for - Answers skin preparation
Conversion of a dysrhythmia to a normal rhythm by applying electric shock to the chest is called
- Answers defibrilation
Which of the following is not a criteria for skin preparation for lead placement - Answers make
sure the skin is damp when applying the electrodes
The electrode site should be - Answers clean, smooth, and dry
An EKG measures the amount of voltage and the _______ it takes for the voltage to travel
throughout the heart - Answers time
In the application of the electrodes, secure the electrode by rubbing your finger around the
_______area - Answers adhesive
When there is no variation of R-R intervals it is called - Answers absolutely regular
Ventricular depolorization produces an electrical force or vector with two components: (1)
magnitude of force, and (2) - Answers direction or shape
A downward or negative wave of an electrocardiogram following the P wave is the - Answers Q
wave
A premature ventricular contraction (PVC) where the QRS have the same configuration each
time they appear is called - Answers uniform
When applying leads, apply the V1 lead - Answers on the fourth intercostal space right sternal
border
Which fact is true about the P waves - Answers duration of the P wave is not greater than
0.11sec,; height-deflection is small, not more than 3mm(both A and B)
When PVC's fall on the T wave, occur in pairs, runs of 3 or more, or are multiform in nature,
these conditions are called - Answers life threatening
When a vector travels away from the positive electrode, a _______deflection results. - Answers
In the positioning of the electrodes, if the electrodes are placed too close together, the
amplitude will be - Answers small
The large squares on the ECG paper are equal to - Answers 0.20 sec
A "V wave" will_______be in a normal EKG - Answers never
The _______ switch controls the gain or amplitude on the EKG - Answers sensitivity
When preparing for lead placement you should first care for - Answers skin preparation
Conversion of a dysrhythmia to a normal rhythm by applying electric shock to the chest is called
- Answers defibrilation
Which of the following is not a criteria for skin preparation for lead placement - Answers make
sure the skin is damp when applying the electrodes
The electrode site should be - Answers clean, smooth, and dry
An EKG measures the amount of voltage and the _______ it takes for the voltage to travel
throughout the heart - Answers time
In the application of the electrodes, secure the electrode by rubbing your finger around the
_______area - Answers adhesive
When there is no variation of R-R intervals it is called - Answers absolutely regular
Ventricular depolorization produces an electrical force or vector with two components: (1)
magnitude of force, and (2) - Answers direction or shape
A downward or negative wave of an electrocardiogram following the P wave is the - Answers Q
wave
A premature ventricular contraction (PVC) where the QRS have the same configuration each
time they appear is called - Answers uniform
When applying leads, apply the V1 lead - Answers on the fourth intercostal space right sternal
border
Which fact is true about the P waves - Answers duration of the P wave is not greater than
0.11sec,; height-deflection is small, not more than 3mm(both A and B)
When PVC's fall on the T wave, occur in pairs, runs of 3 or more, or are multiform in nature,
these conditions are called - Answers life threatening
When a vector travels away from the positive electrode, a _______deflection results. - Answers
