Charlenes Flashcards
Serous fluid between pericardial layers serve this function to
Prevent friction
What divides the heart into right and left sides
Septum
The amount of blood pumped out of the left ventricle in one minute?
Cardiac output
The bottom of the heart is the
Apex
Name the parts of the electrical conduction system (four)
- SA node
- AV node
- AV bundle
- Purkinje fibers
What provides circulation through the Body
Systemic
The valves that allow blood to enter ventricles are the ____&_____
Tricuspid and bicuspid
No heart contractions means
Asystole
A regular variation in the heart rate when changing breathing rate and depth is ____ ____
Sinus arrhythmia
Sequence of events in one heart beat ____ ____
Cardiac cycle
Pulmonary and systemic circulations is the reason that the body is supplied with ____
Oxygen
The artery that receives blood from the left ventricle
Aorta
Vein that drains (returns) blood from above the diaphragm bringing it to the right side of the heart is _____ ____ ____
Superior vena cava
The top of the heart is called the ___
Base
What are the two largest veins _____ & ____
Superior vena cava and inferior vena cava
_____ _____ is the product of the heart rate and stroke volume
Cardiac output
The SVC and IVC and coronary sinus empty blood into the ____ ___
Right atrium
The left ventricle has a thicker muscle because it does what
Pumps blood to the whole body
Blood vessel that supply the heart muscle is the _____ ____
Coronary arteries
The abnormal fast heart rate
Tachycardia
This part of the ANS increases the heart rate is _____
Sympathetic
The amount of blood pumped from the heart in one beat ____ ___
Stroke volume
General function of the heart valves is to
Prevent backflow
The cranial nerve that slows the heart rate is called the ____
Vagus
Blood vessels taking blood from the right lower chamber to the lungs is called the _____ ____
Pulmonary arteries
Dispensing or pumping chambers are the ____ & ______ ____
Right and left ventricles
Layers of the heart from the outside in are 1. 2. 3.
Epicardium, myocardium, and endocardium
Which is the largest artery
Aorta
The endocardium is smooth lining- the rationale for this smoothness is so
Blood don’t clot
The _____ _____ nerve to make coronary sinus
Coronary veins
The cardiac control center is called the ___
Medulla
The vein that drains blood below the diaphragm is the _____ ____ ____
Inferior vena cava
The side of the heart that has a low oxygen blood concentration is the
Right side
The term meaning that the heart is contracting is _____
Systole
The term for the heart to relax is ____
Diastole
The thick middle layer of the heart is the _____
Myocardium
The pace maker is also known as the _____ ___
SA node
The receiving chambers of the heart are the ____ and ___
Right and left atrium
The valves by which blood leaves the heart are the _____ _____, ____, and _____ ____
Semilunar valves, pulmonary, and aortic valves
The inner lining of the heart chambers is the ____
Endocardium
A premature beat is the ____
Extrasystole
In pulmonary circulation this pumps blood to the lungs, the _____ ____
Right ventricle
Part of the ANS that slows the heart rate is the _______
Parasympathetic
To get cardiac output what method do you use to calculate
Multiply
Blood from the fingers goes to the SVC
Blood from the pelvis goes to the IVC
Know
