
KHP 450: Electrical Conduction System & Cardiac Cycle
Authored by Melissa Merscham
Biology
University
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pacemaker of the heart is located in the:
AV node
SA node
Bundle of His
Bundle branches
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is located within the walls of the ventricles?
Purkinje fibers
SA node
AV node
AV bundle and branches
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cardiac cycle is:
ventricular relaxation
ventricular contraction
equivalent to 1 complete heart beat
a heart attack
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Place the following in the correct order of electrical impulses through the heart?
1. SA node
2. Ventricular myocardium
3. AV node
4. Atrial myocardium
5. Bundle branches
6. Bundle of His
7. Purkinje network
1, 4, 3, 6, 5, 7, 2
2, 1, 5, 3, 4, 61 7
7, 5, 6, 2, 3, 4, 1
1, 4, 3, 5, 7, 6, 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The left and right ventricles contract after receiving electrical impulses from the:
SA node
NA node
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the contraction phase of a hearbeat called?
diastole
sinoatrial
systole
atrioventricular
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This triggers contraction in the atria
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