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- 1. Multiple Choice
What is the pacemaker of the heart?
AV node
SA node
Bundle of His
Bundle branches
- 2. Multiple Choice
What does SA stand for?
Sinoatrial
Sinus attack
Sanoatric
Something awkward
- 3. Multiple Choice
What is another word for AV bundle?
Bundle of HIS
AV node
Pacemaker
Purkinje Fibers
- 4. Multiple Choice
Which is located within the walls of the ventricles?
Purkinje fibers
SA node
AV node
AV bundle and branches
- 5. Multiple ChoiceWhich is the correct path of electrical impulses through the heart?SA → Purkinje Fibers → Bundle Branches → AVSA → AV → Bundle Branches → Purkinje FibersAV → SA → Bundle Branches → Purkinje FibersAV → Bundle Branches → SA → Purkinje Fibers
- 6. Multiple Choice
Which of the following is a cardiac cycle?
ventricular relaxation
ventricular contraction
equivalent to 1 complete heart beat
a heart attack
- 7. Multiple Choice
How much blood does the average human have?
1 gallon
7 liters
4 liters
5 liters
- 8. Multiple Choice
What is the contraction phase of a hearbeat called?
diastole
sinoatrial
systole
atrioventricular
- 9. Multiple Choice
What is going on in the heart during the P waveSA node triggers depolarization in atriaAV node triggers depolarization in ventricle, the main pumpung actionDelay caused by the SA nodeRepolarization of the ventricle - 10. Multiple ChoiceWhat is going on in the heart during the R-wave or QRS complexSA node triggers depolarization in atriaAV node triggers depolarization in ventricle, the main pumpung actionDelay caused by the SA nodeRepolarization of the ventricle
- 11. Multiple ChoiceWhat is going on in the heart during the P-R IntervalSA node triggers depolarization in atriaAV node triggers depolarization in ventricle, the main pumpung actionDelay caused by the SA nodeRepolarization of the ventricle
- 12. 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
- 13. Multiple Choice
What separates the chambers of the heart?
mitral valve
septum
aortic valve
- 14. Multiple Choice
What is the name of the valve that separates right atrium from right ventricle?
tricuspid
aortic
mitral
- 15. Multiple ChoiceIf you're looking for your heart, you can find it beneath and to the left of what "bone?"ribsternumclavicle
- 16. Multiple ChoiceA flap of tissue that prevents blood from flowing backwardAortaAtriumSeptumValve
- 17. Multiple ChoiceCirculation involving the lungs is called...Pulmonary CirculationCutaneous CirculationSystemic CirculationCardiac Convendency
- 18. Multiple ChoiceThe 'Lub' sound of the heart's LUB DUB? are the....Atrioventricular valves closingSemilunar Valves closingBlood flowing through the Pulmonary Trunk and AortaBlood Flowing down into the venticles
- 19. Multiple ChoiceThe 'Dub' sound of the heart's LUB DUB? are the....Atrioventricular valves closingSemilunar Valves closingBlood flowing through the Pulmonary Trunk and AortaBlood Flowing down into the venticles
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