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- 1. Multiple Choice
What part of the electrical conduction system is labelled A?
SA Node
AV Node
AV Bundle
Bundle Branches
Purkinje Fibers
- 2. Multiple Choice
What part of the electrical conduction system is labelled D?
SA Node
AV Node
AV Bundle
Bundle Branches
Purkinje Fibers
- 3. Multiple Choice
Which letter is representing the cluster of cells that are autorhythmic, send the signal down the bundle branches and have a bpm of 20-40?
A
B
C
D
E
- 4. Multiple Choice
Which letter is representing the Purkinje fibers which are the final area of signal transmission before the ventricles completely contract?
A
B
C
D
E
- 5. Fill in the Blank
What part of the heart is number 10?
- 6. Multiple Choice
What number is representing the aorta?
1
2
3
4
8
- 7. Fill in the Blank
Where does blood go after it leaves number 9?
- 8. Multiple ChoiceAll of the following occur when the ventricles contract exceptthe AV valves closeblood is ejected into the aortathe semilunar valves openblood from the pulmonary trunk enters the atria
- 9. Multiple ChoiceDuring atrial contraction and ventricular filling,the AV valves are openthe semilunar valves are openthe ventricles are contractedthe atria are relaxed
- 10. Multiple ChoiceWhat is the definition of the Cardiac Cycle?the contraction of the atriathe sequence of events that occur during one complete heartbeatthe contraction and relaxation of the ventriclesthe circulation of blood in the heart
- 11. Multiple ChoiceWhat is the sequence of events in the transmission of an impulse through the heart muscle?
a: AV node
b: AV bundle
c: SA node
d: Through the atria
e: Through the ventricles
f: Bundle branches
g: Purkinje fibersd, b, a, c, f, g, e
c, d, a, b, f, g, e
b, a, d, c, f, g, e
f, g, d, c, b, a, e
- 12. Multiple ChoiceOrder the phases an action potential travels in the conduction systemSA node--> AV bundle branches--> AV node--> Purkinje fibersSA node--> AV node--> AV bundle branches--> Purkinje fibersAv bundle branches--> AV node--> SA node--> Purkinje fibersPurkinje fibers--> SA node--> AV node--> AV bundle branches
- 13. Multiple ChoiceThe pacemaker of the heart is also known as the....AV nodeSA nodePurkinje fibresBundle of His
- 14. Multiple ChoiceThe emptying of the atria (contraction) is controlled by the:SA nodeAV nodePurkinje fibresBundle of His
- 15. Multiple ChoiceThe AV node is located at...ABCD
- 16. Multiple ChoiceA flap of tissue that prevents blood from flowing backwardAortaAtriumSeptumValve
- 17. Multiple ChoiceWhy are the walls of the left ventricle thicker than that of the right ventricle?The left ventricle must force blood into all the capillaries of the lungsthe left ventricle doesn't skip leg dayThis is false, the walls of the right ventricle are thickerBlood from the left ventricle is pumped throught the entire body
- Answer choicesTagsAnswer choicesTags