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40 questions
The pacemaker of the heart
AV node
SA node
Bundle of His
Bundle branches
What does SA stand for?
Sinoatrial
Sinus attack
Sanoatric
Something awkward
What is another word for AV bundle?
Bundle of HIS
AV node
Pacemaker
Purkinje Fibers
Which is located within the walls of the ventricles?
Purkinje fibers
SA node
AV node
AV bundle and branches
Which is a pacemaker
SA Node
AV node
AV bundle
Purkinje Fibers
A cardiac cycle is:
ventricular relaxation
ventricular contraction
equivalent to 1 complete heart beat
a heart attack
What is the second step to heart contraction?
Atria contract
ventricles contract
depolarization of SA node
Impulse spreads throughout the atria
Which is diastole
Atria relax and fill
Ventricles contract and empty
Semilunar valves are open/ AV valves are closed
Atria contract and empty
The heart is the size of:
grapefruit
orange
fist
countaloupe
The cardiac conduction system is run by two nodes which are:
sinoatrial, atrioventricular
systolic, diastolic
how much blood does the average human have?
1 gallon
7 liters
4 liters
5 liters
What is the contraction phase of a hearbeat called?
diastole
sinoatrial
systole
atrioventricular
also known as a heart attack
IM
IV
IVPB
MI
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