ANSWERS RATED 100% CORRECT .
What is the force the heart has to push against? - correct Answers -Afterload
What is the point of the heart that points inferiorly toward the left hip? - correct Answers -apex of
the heart
The top chambers of the heart that are separated by interatrial septum are called? - correct Answers
-atria
This is located b/t the atria and ventricles - correct Answers -Atrioventricular valve
AKA: AV valve
The valves of the heart are..... - correct Answers -flaps of fibrous tissue firmly anchored to the Anuli
fibrosi Cordis. Prevent backflow.
What is valve b/t the right atrium and right ventricle? - correct Answers -Tricuspid valve
What is the valve b/t the left atrium and left ventricle? - correct Answers -Bicuspid/ Mitral valve
What do you call the broad flat part of the heart that points toward the right shoulder? - correct
Answers -base of the heart
The amount of blood the heart pumps in 1 min is called? and what is its normal? - correct Answers -
Cardiac Output
4-8 L
These are tendens that hold the AV valve in place so it prevents it from swinging upward into the
atria.... - correct Answers -Chordae Tendineae
, This drug effect on the heart will change the heart rate? - correct Answers -Chronotropic effect
A drug that has chronotropic effects can be _______ or ________? - correct Answers -positive or
negative
A positive chronotropic drug effect will _____ hr? - correct Answers -increase
A negative chronotropic drug effect will _____ hr? - correct Answers -decrease
This is the resting phase of the heart? - correct Answers -Diastole
What is the inner most layer of the heart called? It is continous with the inner layer of blood vessels.
- correct Answers -endocardium
What is the outer most layer of the heart called? Its the outer surface and great vessels. - correct
Answers -Epicardium
What drug effect effects the strength of the contractions of the heart? - correct Answers -inotropic
effect
A positive inotropic effect increases _______ of heart. - correct Answers -strength
A negative ______ effect decreases strength of heart. - correct Answers -inotropic
What is the middle muscle layer of the heart? It consists of bands of muscle fibers that contract
creating the pumplike action needed to pump blood through. - correct Answers -Myocardium
This is the outer covering layer? A double wall sac around the heart. - correct Answers -Pericardium
The primary Function of the Pericardium is to? - correct Answers -PROTECT the heart
ANCHOR heart to structures
PREVENT heart from overfilling