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EKG PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS
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EKG PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS
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EKG PRACTICE EXAM QUESTIONSWITH COMPLETE ANSWERS
Which of the following is NOT considered a "WHO" criteria for the diagnosis of
myocardial infarction? - Answer-History of congestive heart failure
The EKG machine is properly standardized if 1mV produces a deflection of: - Answer-
10mm
The EKG records the: - Answer-Electrical activity of the heart
The following valves are called semilunar because they have half-moon shaped cusps: -
Answer-Aortic and pulmonic valves
The stylus marks the EKG paper by using: - Answer-Heat
Which of the following is correct regarding the flow of blood? - Answer-The pulmonary
veins carries oxygenated blood from the lungs to the heart
Which limb sensor is the reference or ground electrode? - Answer-Right leg
The first heart sound (S1) is produced by the closure of which of the following heart
valves? - Answer-Tricuspid and mitral valve
The second heart sound (S2) is produced by the closure of which of the following heart
valves? - Answer-Pulmonic and aortic valve
The number of R waves in the six-second strip is 9. The heart rate is: - Answer-90
beats/minute
Which of the following statements is correct about the Q wave? - Answer-A height
greater than 25% of the height of the R wave in a given lead is abnormal
A normal PR interval should measure: - Answer-0.12 - 0.20 seconds
Duration of ventricular systole is measured: - Answer-From the beginning of Q wave to
the end of S wave
The horizontal axis represents: - Answer-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. - Answer-QT interval
The proper electrode placement for Holter monitoring is: - Answer-Trunk of the body
, A decrease in the amount of blood flow discomfort is called: - Answer-Angina
Which a. of the following is an indication for stress testing? - Answer-Evaluation of chest
pain in a patient with normal baseline EKG
Which of the following is considered a negative Holter? - Answer-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? - Answer-Seizures
Which of the following is considered the drug of choice for the suppression of ventricular
tachycardia and ventricular flutter? - Answer-Lidocaine
Which of the following is not an action of beta blockers? - Answer-Increases myocardial
oxygen consumption
Which of the following is correct regarding stress testing? - Answer-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? - Answer-Terminate the stress test
The normal running speed of the EKG paper is: - Answer-25 mm/second
Which of the following has a tendency for abuse and addiction? - Answer-Morphine
sulfate
Which of the following statements is INCORRECT regarding the limb leads? - Answer-
Where the electrode is placed on the extremities will make no difference in the electrical
potential recorder
Electrodes are also referred to as: - Answer-Leads
Which of the following is correct regarding the bipolar limb leads? - Answer-as They
represent the difference in the electrical potential between two extremities
EKG strips should include all of the following information EXCEPT: - Answer-Patient's
diagnosis
A 60 year old male patient has a history of on and off chest pain. His resting EKG is
normal. It is decided to put him thru an exercise stress test. Which of the following will
be the target heart rate for this patient? - Answer-160 beats/minute
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