NHA PRACTICE – EKG EXAM 2025
QUESTIONS AND ANSWERS
The measurement of the smallest blocks on standard ECG graph paper are: - ANS 1 mm wide
by 1 mm high
In a standard ECG, lead V3 is located: - ANS midway between position V2 and position V4
The chest lead V1 is located at which intercostal space? - ANS fourth
The inner layer of the heart is the: - ANS endocardium
The blood flows from the right atrium to the right ventricles through the _______________
valve. - ANS tricuspid
Lead II of the ECG tracing records the electrical activity through the heart from the: -
ANS right arm (RA) to left leg (LL)
How many small boxes make up one large box? - ANS 5
The cardiac testing procedure that requires that patient to keep a diary of daily activities is a(n):
- ANS Holter monitor
Lead I of the ECG tracing is the heart view between the: - ANS right arm (RA) and left arm
1
(LA)
Page
@COPYRIGHT FYNDLAY 2025/2026
QUESTIONS AND ANSWERS
The measurement of the smallest blocks on standard ECG graph paper are: - ANS 1 mm wide
by 1 mm high
In a standard ECG, lead V3 is located: - ANS midway between position V2 and position V4
The chest lead V1 is located at which intercostal space? - ANS fourth
The inner layer of the heart is the: - ANS endocardium
The blood flows from the right atrium to the right ventricles through the _______________
valve. - ANS tricuspid
Lead II of the ECG tracing records the electrical activity through the heart from the: -
ANS right arm (RA) to left leg (LL)
How many small boxes make up one large box? - ANS 5
The cardiac testing procedure that requires that patient to keep a diary of daily activities is a(n):
- ANS Holter monitor
Lead I of the ECG tracing is the heart view between the: - ANS right arm (RA) and left arm
1
(LA)
Page
@COPYRIGHT FYNDLAY 2025/2026
