EKG EXAM WITH CORRECT
ANSWERS 2025
Which of the following is NOT considered a "WHO" criteria for the
diagnosis of myocardial infarction? ( correct answers ) History of
congestive heart failure
The EKG machine is properly standardized if 1mV produces a deflection of:
( correct answers ) 10mm
The EKG records the: ( correct answers ) Electrical activity of the heart
The following valves are called semilunar because they have half-moon
shaped cusps: ( correct answers ) Aortic and pulmonic valves
The stylus marks the EKG paper by using: ( correct answers )
Heat
Which of the following is correct regarding the flow of blood? ( correct
answers ) The pulmonary veins carries oxygenated blood from the lungs to
the heart
Which limb sensor is the reference or ground electrode?
( correct answers ) Right leg
The first heart sound (S1) is produced by the closure of which of the
following heart valves? ( correct answers ) Tricuspid and mitral valve
The second heart sound (S2) is produced by the closure of which of the
following heart valves? ( correct answers ) Pulmonic and aortic valve
The number of R waves in the six-second strip is 9. The heart rate is:
( correct answers ) 90 beats/minute
Which of the following statements is correct about the Q wave? (
correct answers ) A height greater
than 25% of the height of the R wave in a given lead is abnormal
A normal PR interval should measure: ( correct answers )
0.12 - 0.20 seconds
Duration of ventricular systole is measured: ( correct answers ) From
the beginning of Q wave to the end of S wave
GRADED
The horizontal
A+ axis represents: ( correct answers ) Time
This represents time it takes for electrical impulse to travel from the atria to
the AV node, bundle of His, bundle branches, and the Purkinje fibers.
( correct answers ) QT interval
, The proper electrode placement for Holter ( correct answers )
monitoring is: the body Trunk of
A decrease in the amount of blood flow discomfort is called:( correct
answers ) Angina
Which a. of the following is an indication for stress testing? ( correct
answers ) Evaluation of chest pain in a patient with normal baseline
EKG
Which of the following is considered a negative Holter?
( correct answers ) No significant
arrhythmias or ST changes
Patients on digitalis require constant monitoring for signs and symptoms of
toxicity. Which of the following is not a sign/symptom of toxicity? ( correct
answers ) Seizures
Which of the following is considered the drug of choice for the suppression of
ventricular tachycardia and ventricular flutter? ( correct answers )
Lidocaine
Which of the following is not an action of beta blockers?
( correct answers ) Increases myocardial oxygen consumption
Which of the following is correct regarding stress testing? ( correct
answers ) The test can be performed through exercise
While performing an exercise stress test, your patient reports mild chest
pain and is obviously short of breath. Which of the following is the correct
response to your observations? ( correct answers ) Terminate the
stress test
The normal running speed of the EKG paper is: ( correct
answers ) 25 mm/second
Which of the following has a tendency for abuse and addiction? ( correct
answers ) Morphine sulfate
Which of the following statements is INCORRECT regarding the limb leads?
( correct answers ) Where the electrode is placed on the extremities will
make no difference in the electrical potential recorder
Electrodes are also referred to as: ( correct answers ) Leads
Which of the following is correct regarding the bipolar limb leads? ( correct
answers
GRADED
) as They represent the difference in the electrical potential
between two extremities
A+
EKG strips should include all of the following information EXCEPT: ( correct
answers ) Patient's diagnosis
ANSWERS 2025
Which of the following is NOT considered a "WHO" criteria for the
diagnosis of myocardial infarction? ( correct answers ) History of
congestive heart failure
The EKG machine is properly standardized if 1mV produces a deflection of:
( correct answers ) 10mm
The EKG records the: ( correct answers ) Electrical activity of the heart
The following valves are called semilunar because they have half-moon
shaped cusps: ( correct answers ) Aortic and pulmonic valves
The stylus marks the EKG paper by using: ( correct answers )
Heat
Which of the following is correct regarding the flow of blood? ( correct
answers ) The pulmonary veins carries oxygenated blood from the lungs to
the heart
Which limb sensor is the reference or ground electrode?
( correct answers ) Right leg
The first heart sound (S1) is produced by the closure of which of the
following heart valves? ( correct answers ) Tricuspid and mitral valve
The second heart sound (S2) is produced by the closure of which of the
following heart valves? ( correct answers ) Pulmonic and aortic valve
The number of R waves in the six-second strip is 9. The heart rate is:
( correct answers ) 90 beats/minute
Which of the following statements is correct about the Q wave? (
correct answers ) A height greater
than 25% of the height of the R wave in a given lead is abnormal
A normal PR interval should measure: ( correct answers )
0.12 - 0.20 seconds
Duration of ventricular systole is measured: ( correct answers ) From
the beginning of Q wave to the end of S wave
GRADED
The horizontal
A+ axis represents: ( correct answers ) Time
This represents time it takes for electrical impulse to travel from the atria to
the AV node, bundle of His, bundle branches, and the Purkinje fibers.
( correct answers ) QT interval
, The proper electrode placement for Holter ( correct answers )
monitoring is: the body Trunk of
A decrease in the amount of blood flow discomfort is called:( correct
answers ) Angina
Which a. of the following is an indication for stress testing? ( correct
answers ) Evaluation of chest pain in a patient with normal baseline
EKG
Which of the following is considered a negative Holter?
( correct answers ) No significant
arrhythmias or ST changes
Patients on digitalis require constant monitoring for signs and symptoms of
toxicity. Which of the following is not a sign/symptom of toxicity? ( correct
answers ) Seizures
Which of the following is considered the drug of choice for the suppression of
ventricular tachycardia and ventricular flutter? ( correct answers )
Lidocaine
Which of the following is not an action of beta blockers?
( correct answers ) Increases myocardial oxygen consumption
Which of the following is correct regarding stress testing? ( correct
answers ) The test can be performed through exercise
While performing an exercise stress test, your patient reports mild chest
pain and is obviously short of breath. Which of the following is the correct
response to your observations? ( correct answers ) Terminate the
stress test
The normal running speed of the EKG paper is: ( correct
answers ) 25 mm/second
Which of the following has a tendency for abuse and addiction? ( correct
answers ) Morphine sulfate
Which of the following statements is INCORRECT regarding the limb leads?
( correct answers ) Where the electrode is placed on the extremities will
make no difference in the electrical potential recorder
Electrodes are also referred to as: ( correct answers ) Leads
Which of the following is correct regarding the bipolar limb leads? ( correct
answers
GRADED
) as They represent the difference in the electrical potential
between two extremities
A+
EKG strips should include all of the following information EXCEPT: ( correct
answers ) Patient's diagnosis
