EKG EXAM WITH CORRECT
ANSWERS 2025
What does the P wave represent? ( correct answers ) atrial contraction
Define: Repolarization ( correct answers ) when the
heart recovers electronically Define: Depolarization ( correct answers )
contraction of cardiac cells
What does the QRS wave represent? ( correct answers )
ventricular contraction What does the T wave represent? ( correct
answers ) ventricular relaxation
Which wave only occurs occasionally in some patients? ( correct
answers ) the U wave
What does the vertical line on the EKG represent? ( correct
answers ) voltage What does the horizontal line on the EKG
represent? ( correct answers )
time
What is a baseline? ( correct answers ) the flat line that
separates the various waves
What is one box equal to? ( correct answers ) .04 sec
What are 5 large squares equal to?( correct answers ) .2
sec What does BPM stand for? ( correct answers )
beats per minute
What is electrolyte? ( correct answers ) substance
used to conduct current better
What forms does electrolyte come in? ( correct answers ) gels,
lotions, pastes, adhesive pads
Why is electrolyte necessary? ( correct answers ) because the
skin is a poor conductor of electricity
What are electrodes? ( correct answers ) sensors that detect electrical
impulses on the body surface
ANSWERS 2025
What does the P wave represent? ( correct answers ) atrial contraction
Define: Repolarization ( correct answers ) when the
heart recovers electronically Define: Depolarization ( correct answers )
contraction of cardiac cells
What does the QRS wave represent? ( correct answers )
ventricular contraction What does the T wave represent? ( correct
answers ) ventricular relaxation
Which wave only occurs occasionally in some patients? ( correct
answers ) the U wave
What does the vertical line on the EKG represent? ( correct
answers ) voltage What does the horizontal line on the EKG
represent? ( correct answers )
time
What is a baseline? ( correct answers ) the flat line that
separates the various waves
What is one box equal to? ( correct answers ) .04 sec
What are 5 large squares equal to?( correct answers ) .2
sec What does BPM stand for? ( correct answers )
beats per minute
What is electrolyte? ( correct answers ) substance
used to conduct current better
What forms does electrolyte come in? ( correct answers ) gels,
lotions, pastes, adhesive pads
Why is electrolyte necessary? ( correct answers ) because the
skin is a poor conductor of electricity
What are electrodes? ( correct answers ) sensors that detect electrical
impulses on the body surface
