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MT, Anatomy & Physiology > Cardiovascular System Vocab > Flashcards

Cardiovascular System Vocab Flashcards

1
Q

Largest artery in the body

A

Aorta

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2
Q

Lower tip of the heart

A

Apex of the heart

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3
Q

Small artery

A

Arteriole

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4
Q

Specialized muscle fibers connecting the artia with the ventricles and transmitting electrical impulses between them

A

Atrioventricular bundle
bundle of His (hiss)

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5
Q

Largest type of blood vessel; carries blood away from the heart to all parts of the body

A

Artery

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6
Q

Specialized tissue in the wall between the artia. Electrical impluses pass from the SA node to here

A

Atrioventricular node (AV node)

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7
Q

One of two upper chambers of the heart

A

Atrium

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8
Q

Smallest type of blood vessel. Materials pass to and from the bloodstream through these walls

A

Capillary

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9
Q

Gas (waste) released by body cells, transported via Veins to the heart, and then the lungs for exhalation

A

Carbon dioxide (Co2)

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10
Q

Two common arteries located on each side of the neck branch from the aorta and provide blood to the head, neck, and brain.

A

Carotid Arteries;
the word carotid means stupor because pressure on these arteries causes unconsiousness

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11
Q

Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle

A

Coronary Arteries

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12
Q

Deoxygenated Blood

A

Blood that is oxygen-poor

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13
Q

Diastole

A

Relaxed phase of the heartbeat.
diastole = dilation

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14
Q

Electrocardiogram

A

Record of electrical activity of the heart. The electricity is represented by waves of deflection called
P, QRS or T

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15
Q

Endocardium

A

Inner linning of the heart

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16
Q

Endothelium

A

The innermost linning of blood vessels.

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17
Q

Valve Between the left atrium and the left ventricle; BICUSPID valve

A

Mitral valve

17
Q

Heart Rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 heats per minute

A

Normal Sinus rhythm

18
Q

Abnormal swishing sound caused by improper closure of heart valve.

A

murmur

19
Q

Muscular middle layer of the heart.

A

Myocardium

20
Q

Gas that enters the blood through the lungs and travels to the heart to be pumped via arterties to all body cells.

A

Oxygen

21
Q

Specialized nervous tissue in the right atrium that begins the heartbeat. An artificial cardiac pacemaker is an electronic apparatus implanted in the chest to stimulate heart muscle that is weak and not functioning.

A

Pacemaker (sinoatrial node)

22
Q

Double-layered membrane surrounding the heart

A

Pericardium

23
Q

Artery carring oxygen-poor blood from heart to lungs.

A

Pulmonary Artery

24
Q

Flow of blood from the heart to the lungs and back to the heart.

A

Pulmonary Circulation

25
Q

Valve positioned between the right ventricle and the pulmonary artery.

A

Pulmonary Valve.

26
Q

One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium

A

Pulmonary vein

27
Q

Beat of the heart

A

pulse

28
Q

Partition or wall dividing a cavity; such as between left and right Atria or ventricles

A

Septum (septa)

29
Q

Pacemaker of heart

A

Sinoatrial node (SA node)

30
Q

Sphygm/o/man/o/meter

A

Instrument to measure blood pressure

31
Q

Flow of blood from body tissue to the heart and then from the heart back to body tissues

A

Systemic circulation

32
Q

Contraction phase of the heart beat

A

systole

33
Q

Located between the right atrium and right ventricle

A

Tricuspid valve; It has (tri-) leaflets or cusps.

34
Q

A structure in viens that temporarily closes an opening so that blood flows in only one direction

A

Valve

35
Q

Thin- walled vessel that carries blood from body tissues and lungs back to heart.

A

Veins ; Veins contain valves to prevent back flow of blood

36
Q

Largest Vein in the body

A

Vena Cava ; The superior and inferior venae cava return blood to the right atrium of heart

37
Q

Ventricle

A

One of two lower chambers of the heart

38
Q

Venule

A

Small Vein

39
Q

Extremely rapid and irregular contractions of the heart muscle are called

A

Fibrillations

40
Q

Palpitations

A

Uncomfortable sensations in the chest related to cardiac arrhythmias that make you aware of your heartbeat

41
Q
A

MT, Anatomy & Physiology (104 decks)

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