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Chapter 12 heart

1st half of the chapter

QuestionAnswer
The covering of the heart pericardium
receiving chambers atria
circulation from left ventricle throughtout body systemic
blood clot thrombus
discharging chambers ventricles
supplies oxygen to the heart muscle coronary arteries
angina pectoris severe chest pain
slow heart rate caused by blocked impulses heart block
contraction of the heart systole
electrical activity associated with ECG depolarization
Blunt-pointed lower edge of the heart apex
visceral pericardium aka epicardium
rhythmic compression of the heart combined with effective artificial respiration is aka: cardiopulmonary resuscitation CPR
what divides the heart into right anf left sides between the atria internal septum
the two upper chambers of the heart atria
the two lower chambers of the heart ventricles
the caridac muscle tissue is referred to as? myocardium
inflammation of the heart lining endocarditis
the two AV valves are? tricuspid and bicuspid aka mitral
What invovles the movement of blood from right ventricle to the lungs pulmonary semilunar vavle
occlusion of a coronary artery aka embolism
when the heart muscle cells deprived of oxygen and become damaged or die myocardial infarction (MI) aka heart attack
the pacemaker of the heart Sinoatrial node
normal ECG tracing has three characteristic waves... they are P wave, QRS wave, T wave
What begins just before the relaxation phase of cardiac muscle activity noted on an ECG Repolarization
the two SL or semilunar valves are pulmonary semilunar vavle, aortic semilunar vavle
covers the surface of the heart epicardium
relaxation of the heart diastole
what valve is located between left atrium and ventricle bicuspid valve aka mitral
what valve is located between right atruim and ventricle tricuspid valve
what valve is located at the beginning of the pulmonary artery and allows blood going to the lungs to flow out of the right ventricle pulmonary semilunar valve
what valve is located at the beginning of the aorta and allows blood to flow out the left ventricle up into the aorta aortic semilunar valve
moveement of the blood from the right ventricle into the lungs pulomanry circulation
blood enters the right atrium through two large veins called superior vena cava and inferior vena cava
blood rich in oxygen returns to the left atrium of the heart through four? pulmonary veins
blood flows into the heart muscle by way of two small vessels right and left coronary arteries
each complete heart beat is called cardiac cycle
the volume of blood ejected from the ventricles during each beat stroke volume
volume of blood pumped by one ventricle per minute cardiac output
the graphic record of the heart's electrical activity electrocardiogram ECG
what wave occurs with depolarization of the atria P wave
what wave occurs as a result of depolarization of the ventricles QRS wave
what wae results from electrical activity generated by repolarization of the ventricles T wave
arterial blood is pumped from the heart through a series of large distribution vessels called arteries
largest artery in the body aorta
arteries are subdivided into vessels that become progressively samller and finally become tiny what arterioles
microscopic exchange vessels are called capillaries
after the exchange of nutrients and respiratory gases.. blood is drained from the capillary bed and then enters the small venules
after venules.. it increases in size and becomes veins
largest veins are superior and inferior vena cava
Created by: tkronjak21
 

 



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