EKG CERTIFICATION EXAM WITH
CORRECT ANSWERS
2025
Left Ventricular Hypertrophy ( correct answers ) R wave in V5 is
increased and S wave in V1 is increased
Both are added together and should be greater than 35 mm
Describe the placement of the V5 Lead ( correct answers )
5th intercoastal space halfway
between V4 and V6 on the L side of the heart
_________is when the PR interval becomes longer and longer until a beat is
skipped
( correct answers ) 2nd Degee AV block: Mobitz 1
What does Systolic blood pressure mean? ( correct answers ) peak
blood pressure during ventricle contraction
Trace the vessels that carry blood to and from the heart ( correct
answers ) Arteries--> Aterioles--->Capillaries-->Venules--->Veins
Name the conduction pathway of the heart ( correct answers ) SA
Node-----AV Node----Bundle of His----R & L Bundle Branches----Purkinje
Fibers
What structure branch from the R Coronary Artery? ( correct answers )
Marginal Arteries and Posterior Interventricular Septum
Positive Dromotrophic drugs ( correct answers ) Increase heart's
conduction speed
What is the cause of ST depression and inverted T waves? ( correct
answers ) Myocardial Ischemia
What is the inherent ventricular rate? ( correct answers ) less
than 40 bpm Which leads diagnose ventricular hypertrophy?
( correct answers ) V1 & V5 Negative chronotropic drugs
( correct answers ) Decrease HR
Describe the placement of V6 ( correct answers ) Left side of
the heart on 5th intercoastal space on the mid axillary line
Positive QRS in LI and positive QRS in AVF is what kind of deviation?
( correct answers ) Normal
, Name the major arteries that branch of ( correct answers )
the aorta Cartoid, Brachiocephalic Subclavian,
Describe the placement of V2 ( correct answers ) 4th Intercoastal
space on the left side of the heart
Blood leaving the LV flows through the _________into the systemic
circulation.
( correct answers ) Aortic Semi Lunar Valve
What do the semilunar valves prevent? ( correct answers ) backflow of
the blood from the aorta into the LV
Describe placement of the V4 ( correct answers ) Left side of the
sternum on the 5th Intercoastal space on the mid clavicular line
The normal height of the P wave should be ( correct answers ) 3small
squares high x less than 3 small squqares
Where is the PR interval measured? ( correct answers ) Beginning of
the P wave to the beginning of the Q wave
What type of resistance to blood flow primarily is caused by friction
within the vessel walls? ( correct answers ) Peripheral resistance
What is the oxygen saturation of the LAtrium? ( correct answers ) 95%
Movement of an impulse to positive electrode causes a
______________deflection.
( correct answers ) Upward
Where is the Mitral Valve located? ( correct answers ) In between the
Left Atrium and Left Ventricle
What are the characteristics of "Wandering Pacemaker"? ( correct
answers ) P waves have all different shapes
What do spiked T waves indicate? ( correct answers ) Hyperkalemia
What does
is thethe
firstT upward
wave represent?
deflection (on
correct answers
the ECG? What) does
Ventricular
it ( correc
replorizationanswers ) 1. P wave
represent? t
2. Atrial deplorization
CORRECT ANSWERS
2025
Left Ventricular Hypertrophy ( correct answers ) R wave in V5 is
increased and S wave in V1 is increased
Both are added together and should be greater than 35 mm
Describe the placement of the V5 Lead ( correct answers )
5th intercoastal space halfway
between V4 and V6 on the L side of the heart
_________is when the PR interval becomes longer and longer until a beat is
skipped
( correct answers ) 2nd Degee AV block: Mobitz 1
What does Systolic blood pressure mean? ( correct answers ) peak
blood pressure during ventricle contraction
Trace the vessels that carry blood to and from the heart ( correct
answers ) Arteries--> Aterioles--->Capillaries-->Venules--->Veins
Name the conduction pathway of the heart ( correct answers ) SA
Node-----AV Node----Bundle of His----R & L Bundle Branches----Purkinje
Fibers
What structure branch from the R Coronary Artery? ( correct answers )
Marginal Arteries and Posterior Interventricular Septum
Positive Dromotrophic drugs ( correct answers ) Increase heart's
conduction speed
What is the cause of ST depression and inverted T waves? ( correct
answers ) Myocardial Ischemia
What is the inherent ventricular rate? ( correct answers ) less
than 40 bpm Which leads diagnose ventricular hypertrophy?
( correct answers ) V1 & V5 Negative chronotropic drugs
( correct answers ) Decrease HR
Describe the placement of V6 ( correct answers ) Left side of
the heart on 5th intercoastal space on the mid axillary line
Positive QRS in LI and positive QRS in AVF is what kind of deviation?
( correct answers ) Normal
, Name the major arteries that branch of ( correct answers )
the aorta Cartoid, Brachiocephalic Subclavian,
Describe the placement of V2 ( correct answers ) 4th Intercoastal
space on the left side of the heart
Blood leaving the LV flows through the _________into the systemic
circulation.
( correct answers ) Aortic Semi Lunar Valve
What do the semilunar valves prevent? ( correct answers ) backflow of
the blood from the aorta into the LV
Describe placement of the V4 ( correct answers ) Left side of the
sternum on the 5th Intercoastal space on the mid clavicular line
The normal height of the P wave should be ( correct answers ) 3small
squares high x less than 3 small squqares
Where is the PR interval measured? ( correct answers ) Beginning of
the P wave to the beginning of the Q wave
What type of resistance to blood flow primarily is caused by friction
within the vessel walls? ( correct answers ) Peripheral resistance
What is the oxygen saturation of the LAtrium? ( correct answers ) 95%
Movement of an impulse to positive electrode causes a
______________deflection.
( correct answers ) Upward
Where is the Mitral Valve located? ( correct answers ) In between the
Left Atrium and Left Ventricle
What are the characteristics of "Wandering Pacemaker"? ( correct
answers ) P waves have all different shapes
What do spiked T waves indicate? ( correct answers ) Hyperkalemia
What does
is thethe
firstT upward
wave represent?
deflection (on
correct answers
the ECG? What) does
Ventricular
it ( correc
replorizationanswers ) 1. P wave
represent? t
2. Atrial deplorization
