correct!!!
1. What is the force the heart has to push against? Afterload
2. What is the point of the heart that apex of the heart
points inferi- orly toward the left hip?
3. The top chambers of the heart that are separat- atria
ed by interatrial septum are called?
4. This is located b/t the atria and ventricles Atrioventricular valve
AKA: AV valve
5. The valves of the heart are..... flaps of fibrous tissue firmly
an- chored to the Anuli fibrosi
Cordis. Prevent backflow.
6. What is valve b/t the right atrium and right ven- Tricuspid valve
tricle?
7. What is the valve b/t the left atrium Bicuspid/ Mitral valve
and left ventricle?
8. What do you call the broad flat part of the heart base of the heart
that points toward the right shoulder?
9. The amount of blood the heart pumps in Cardiac
1 min is called? and what is its normal? Output 4-8 L
10. These are tendens that hold the AV valve in place Chordae
Tendineae
so it prevents it from swinging upward
into the atria....
11. This drug effect on the heart will Chronotropic ettect
change the heart rate?
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12. A drug that has chronotropic effects positive or negative
can be
or ?
13. A positive chronotropic drug effect will hr? increase
14. A negative chronotropic drug effect will hr? decrease
15. This is the resting phase of the heart? Diastole
16. What is the inner most layer of the heart called? endocardium
It is continous with the inner layer of blood
ves- sels.
17. What is the outer most layer of the heart called? Epicardium
Its the outer surface and great vessels.
18. What drug effect effects the strength of the con- inotropic ettect
tractions of the heart?
19. A positive inotropic effect increases double wall sac
around the
of heart. heart.
20. A negative effect decreases 23. The primary
strength of heart. Function of the
Pericardium is
21. What is the middle muscle layer of the to?
heart? It consists of bands of muscle
fibers that contract creating the
pumplike action needed to pump blood
through.
22. This is the outer covering layer? A
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correct!!!
strength
inotropic
Myocardium
Pericardium
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