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- 1. Multiple Choice
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 is a pacemaker
SA Node
AV node
AV bundle
Purkinje Fibers
- 7. Multiple Choice
A cardiac cycle is:
ventricular relaxation
ventricular contraction
equivalent to 1 complete heart beat
a heart attack
- 8. Multiple Choice
What is the second step to heart contraction?
Atria contract
ventricles contract
depolarization of SA node
Impulse spreads throughout the atria
- 9. Multiple Choice
Which is diastole
Atria relax and fill
Ventricles contract and empty
Semilunar valves are open/ AV valves are closed
Atria contract and empty
- 10. Multiple ChoicePlace the following in the correct order:
1. atria contract
2. AV node
3. Bundle of His
4. Purkinje fibers
5. SA node
6. ventricles contract5, 1, 2, 3, 4, 62, 1, 5, 3, 4, 65, 6, 2, 3, 4, 12, 6, 5, 3, 4, 1 - 11. Multiple ChoiceThe left and right ventricles contract after receiving electrical impulses from what?Purkinje FibersThe SA nodeBundle BranchesThe NA node
- 12. Multiple Choice
The heart is the size of:
grapefruit
orange
fist
countaloupe
- 13. Multiple Choice
The cardiac conduction system is run by two nodes which are:
sinoatrial, atrioventricular
systolic, diastolic
- 14. Multiple Choice
how much blood does the average human have?
1 gallon
7 liters
4 liters
5 liters
- 15. Multiple Choice
What is the contraction phase of a hearbeat called?
diastole
sinoatrial
systole
atrioventricular
- 16. Multiple Choice
also known as a heart attack
IM
IV
IVPB
MI
- 17. Multiple ChoiceThis triggers contraction in the atriaSA nodeAV nodeQT nodeAV Bundles
- 18. 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 - 19. 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
- 20. Multiple ChoiceWhat is going on in the heart during the T-waveSA node triggers depolarization in atriaAV node triggers depolarization in ventricle, the main pumpung actionDelay caused by the SA nodeRepolarization of the ventricle
- 21. 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
- 22. Multiple ChoiceThese aid in spreading contraction signal to ventriclesSA BundlesAV BundlesNodal groupsHeart Murphs
- 23. Multiple ChoiceThis triggers contraction in the ventricle:SA nodeAV nodeQT nodeAV Bundles
- 24. Multiple ChoiceThis triggers contraction in the atria:SA nodeAV nodeQT nodeAV Bundles
- 25. Multiple ChoiceWhat is going on in the heart during the QRS wave?SA node triggers contraction in atriaAV node triggers contraction in ventricle, the main pumpung actionDelay caused by the SA nodeRepolarization of the ventricle
- 26. Multiple ChoiceWhat is going on in the heart during the T-wave?SA node triggers contraction in atriaAV node triggers contraction in ventricle, the main pumpung actionDelay caused by the SA nodeRelaxation of the ventricle
- 27. 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
- 28. Multiple ChoiceThese structures aid in spreading contraction signal to ventricles:SA BundlesAV BundlesNodal groupsHeart Murphs
- 29. Multiple ChoiceOn this diagram, the Purkinje fibers are located at...FGHI
- 30. Multiple ChoiceOn this diagram, the AV node is located at...AICD
- 31. Multiple ChoiceThe place where the electrical current starts, and which is considered the heart's pacemaker, is the...sinoatrial noderight atriumatrioventricular nodeleft ventricle
- 32. 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
- 33. Multiple ChoiceThe SA Node generates an impulse about ____ times per minute.5075125100
- 34. Multiple ChoiceAtrial Systole occurs...P Wave to start of QRS ComplexQRS Complex To T Wave beginsQRS to End of T WaveT Wave to Next P Wave
- 35. Multiple ChoiceVenticular Systole occurs...P Wave through PR SegmentQRS Complex To T Wave beginsQRS to End of T WaveT Wave to Next P Wave
- 36. Multiple ChoiceVentricular Diastole occurs...T Wave to start of Next QRS ComplexQRS Complex To T Wave beginsQRS to End of T WaveT Wave to Next P Wave
- 37. Multiple Choice#1 Represents...QRS WavesP WaveT WaveZ Wave
- 38. Multiple Choice#2 Represents...QRS waveT WaveP wavefibrilation
- 39. Multiple Choice#3 Represents...qrs wavet wavep wavez wave
- 40. Multiple ChoiceWhat is going on in the heart during the P wave?SA node triggers contraction in atriaAV node triggers contraction in ventricle, the main pumpung actionDelay caused by the SA noderepolarization of the ventricle
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