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Medical Term Finals > Cardiovascular system > Flashcards

Cardiovascular system Flashcards

1
Q

The largest artery. It receives blood from the left ventricle and branches to all parts of the body (root aort/o).

A

Aorta

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2
Q

The semilunar valve at the entrance to the aorta

A

Aortic valve

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3
Q

The point of a cone-shaped structure (adjective, apical). The apex of the heart is formed by the left ventricle. It is inferior and pointed to- ward the left

A

Apex

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4
Q

A vessel that carries blood away from the heart. All except the pulmonary and umbilical arteries carry oxygenated blood

A

Artery

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5
Q

The small artery

A

Arteriole

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6
Q

A small mass in the lower septum of the right atrium that passes im-
pulses from the sinoatrial (SA) node toward the ventricles

A

Atrioventricular node

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7
Q

A band of fibers that transmits impulses from the atrioventricular (AV) node to the top of the interventricular septum. It divides into the right and left bundle branches, which descend along the two sides of the septum; the bundle of His.

A

AV bundle

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8
Q

An entrance chamber, one of the two upper receiving chambers of the heart

A

Atrium

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9
Q

The valve between the left atrium and the left ventricle; the mitral valve

A

Biscuspid valve

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10
Q

The force exerted by blood against the wall of a vessel

A

Blood pressure

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11
Q

Branches of the AV bundle that divide to the right and left sides of the interventricular septum

A

Bundle branches

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12
Q

A microscopic blood vessel through which materials are EXCHANGED between the blood and the tissues

A

Capillary

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13
Q

The part of the circulatory system that consists of the heart and the blood vessels

A

Cardiovascular system

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14
Q

The relaxation phase of the heartbeat cycle

A

Diastole

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15
Q

The thin membrane that lines the chambers of the heart and covers the valves

A

Endocardium

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16
Q

The thin outermost layer of the heart wall

A

Epicardium

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17
Q

Any sound produced as the heart functions normally

A

Functional murmur

18
Q

The muscular organ with four chambers that contracts rhythmically to propel blood through vessels to all parts of the body

19
Q

Sounds produced as the heart functions. The two loudest sounds are produced by alternate closing of the valves and are designated S1 and S2.

A

Heart sounds

20
Q

The large INFERIOR VEIN that brings blood back to the right atrium of the heart from the lower part of the body

A

Inferior vena cava

21
Q

The valve between the left atrium and the left ventricle; the bicuspid valve

A

Mitral valve

22
Q

The thick middle layer of the heart wall composed of cardiac muscle

A

Myocardium

23
Q

The fibrous sac that surrounds the heart

A

Pericardium

24
Q

The vessel that carries blood from the right side of the heart to the lungs

A

Pulmonary artery

25
Q

The system of vessels that carries blood from the right side of the heart to the lungs to be oxygenated and then back to the left side of the heart

A

Pulmonary circuit

26
Q

The vessels that carry blood from the lungs to the left side of the heart

A

Pulmonary veins

27
Q

The semilunar valve at the entrance to the pulmonary artery

A

Pulmonary valve

28
Q

The vessels that carry blood from the lungs to the left side of the heart

A

Pulmonary veins

29
Q

The wave of increased pressure produced in the vessels each time the ventricles contract

30
Q

The terminal fibers of the conducting system of the heart. They carry impulses through the walls of the ventricles.

A

Purkinje fibers

31
Q

A wall dividing two cavities, such as the chambers of the heart

32
Q

A small mass in the upper part of the right atrium that initiates the impulse for each heartbeat; the pacemaker

A

Sinoatrial node

33
Q

An instrument for determining arterial blood pressure (root sphygm/o means “pulse”); blood pressure apparatus or cuff

A

Sphygmomanometer

34
Q

The large superior vein that brings deoxygenated blood back to the right atrium from the upper part of the body

A

Superior vena cava

35
Q

The system of vessels that carries oxygenated blood from the left side of the heart to all tissues except the lungs and returns deoxygenated blood to the right side of the heart

A

Systemic circuit

36
Q

The contraction phase of the heartbeat cycle

37
Q

The valve between the right atrium and the right ventricle

A

Tricuspid valve

38
Q

A structure that keeps fluid flowing in a forward direction

39
Q

A vessel that carries blood back to the heart. All except the pulmonary
and umbilical veins carry blood low in oxygen

40
Q

A small cavity. One of the two lower pumping chambers of the heart

41
Q

A small vein

42
Q

A tube or duct to transport fluid

Medical Term Finals (8 decks)

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