EKG MEDCA EXAM REVIEWED2026
ALL 150 QUESTIONS WITH
CORRECT ANSWERS
GRADED A+ GUARANTEED PASS
1. The ________ is the part of the brain that controls autonomic functions such
as breathing, heart functions, and blood vessel function. - Answer✔️medulla
2. ______________ enters the lungs with each inhalation; while
_____________________ exits the lungs with each exhalation -
Answer✔️oxygen; carbon dioxide
3. Not every qrs-complex holds a ____ wave, _____wave, _____or a ________
wave - Answer✔️q, r, s
4. Oxygen rich blood from the lungs goes to the heart through the __________
veins - Answer✔️pulmonary
5. Abnormally fast respiration rates are called __________________ which is a
rate of more than __________ breaths per minutes - Answer✔️tachypnea:
20
6. Abnormally low respiration rates are called _____________ which is a rate
of less than ______ breaths per minute - Answer✔️bradypnea; 12
7. ______________ is when the cardiac cells are resting -
Answer✔️polarization
8. Patient ____________ may be more important in obtaining a diagnostically
pure EKG than the mechanics of the EKG itself - Answer✔️psychology
9. The four valves that regulate blood through the heart are the -
Answer✔️tricuspid, pulmonic, mitral, aortic
, 10.______ is the medial term for low blood pressure - Answer✔️hypotension
11._______________hypotension happens when a person goes from a sitting or
lying position to a standing position - Answer✔️postural
12.The right ventricle sends blood through the pulmonary artery to the
______________? - Answer✔️lungs
13.Rectal temperatures are 0.5-1 degree __________ than the temperature taken
orally. - Answer✔️higher
14.What is the formula to measure the qtc interval - Answer✔️qtc= 1.75 +
qt(hr-60)
15.William Einthoven created the first ekg machine weighing -
Answer✔️600lbs
16.The average heart beats ____________ times a day - Answer✔️100,000
17.A _____________ rectors cardiac rhythm for 24-48 hours - Answer✔️holter
monitor
18.One cardiac impulse and the recharging of its cells usually takes
__________ seconds - Answer✔️0.5
19.Body temperature will ____________ with the intake of calorie rich food
and drinks - Answer✔️increase
20.The ekg tracing will return to the baseline, known as the
_________________ meaning there is no electrical activity -
Answer✔️isoelectric line
21.__________________- is a resting heart rate of more than 100 bpm -
Answer✔️tachycardia
22.Color code white: - Answer✔️right arm
ALL 150 QUESTIONS WITH
CORRECT ANSWERS
GRADED A+ GUARANTEED PASS
1. The ________ is the part of the brain that controls autonomic functions such
as breathing, heart functions, and blood vessel function. - Answer✔️medulla
2. ______________ enters the lungs with each inhalation; while
_____________________ exits the lungs with each exhalation -
Answer✔️oxygen; carbon dioxide
3. Not every qrs-complex holds a ____ wave, _____wave, _____or a ________
wave - Answer✔️q, r, s
4. Oxygen rich blood from the lungs goes to the heart through the __________
veins - Answer✔️pulmonary
5. Abnormally fast respiration rates are called __________________ which is a
rate of more than __________ breaths per minutes - Answer✔️tachypnea:
20
6. Abnormally low respiration rates are called _____________ which is a rate
of less than ______ breaths per minute - Answer✔️bradypnea; 12
7. ______________ is when the cardiac cells are resting -
Answer✔️polarization
8. Patient ____________ may be more important in obtaining a diagnostically
pure EKG than the mechanics of the EKG itself - Answer✔️psychology
9. The four valves that regulate blood through the heart are the -
Answer✔️tricuspid, pulmonic, mitral, aortic
, 10.______ is the medial term for low blood pressure - Answer✔️hypotension
11._______________hypotension happens when a person goes from a sitting or
lying position to a standing position - Answer✔️postural
12.The right ventricle sends blood through the pulmonary artery to the
______________? - Answer✔️lungs
13.Rectal temperatures are 0.5-1 degree __________ than the temperature taken
orally. - Answer✔️higher
14.What is the formula to measure the qtc interval - Answer✔️qtc= 1.75 +
qt(hr-60)
15.William Einthoven created the first ekg machine weighing -
Answer✔️600lbs
16.The average heart beats ____________ times a day - Answer✔️100,000
17.A _____________ rectors cardiac rhythm for 24-48 hours - Answer✔️holter
monitor
18.One cardiac impulse and the recharging of its cells usually takes
__________ seconds - Answer✔️0.5
19.Body temperature will ____________ with the intake of calorie rich food
and drinks - Answer✔️increase
20.The ekg tracing will return to the baseline, known as the
_________________ meaning there is no electrical activity -
Answer✔️isoelectric line
21.__________________- is a resting heart rate of more than 100 bpm -
Answer✔️tachycardia
22.Color code white: - Answer✔️right arm
