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TEAS/ HESI > Circulatory system > Flashcards

Circulatory system Flashcards

1
Q

Circulatory system is also known as the…

A

cardiovascular system

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2
Q

The circulatory system is the ___________ for the entire body

A

transportation highway

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3
Q

The circulatory system consists of….

A

the heart, blood, and blood vessels

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4
Q

An organ that contracts and pumps blood throughout the body

A

heart

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5
Q

Arteries transport blood _______ from the heart to the _______.

A

away, capillaries

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6
Q

Veins transport blood from the __________ to the _________.

A

capillaries, heart

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7
Q

Tiny blood vessels that transport blood from arteries to veins are called…

A

capillaries

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8
Q

Capillaries transport blood from ________ to _________.

A

arteries to veins

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9
Q

The location for the exchange of oxygen, carbon dioxide, fluid, and nutrients

A

capillaries

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10
Q

Name the 4 heart chambers

A

right and left atriums, and the right and left ventricles

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11
Q

Name the 4 valves in the heart

A

tricuspid valve, pulmonary valve, mitral (bicuspid) valve, aortic valve

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12
Q

Describe the blood flow thru the heart…

A

deoxygenated blood enters into the heart through the superior and inferior vena cava > right atrium > tricuspid valve > right ventricle > pulmonary valve > pulmonary artery > lungs > pulmonary veins (now oxygenated) > left atrium > mitral valve > left ventricle > aortic valve > aorta > to the body

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13
Q

Whole blood consists of approximately…

A

55% plasma and 45% formed elements

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14
Q

Formed elements are:

A

erythrocytes, leukocytes, platelets

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15
Q

Red blood cells

A

erythrocytes

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16
Q

White blood cells

A

leukocytes

17
Q

All of the formed elements are produced from….

A

stem cells in red bone marrow

18
Q

Erythrocytes do what?

A

transport oxygen

19
Q

The 5 types of leukocytes can be distinguished by….

A

size, appearance of nucleus, staining properties, presence or absence of cytoplasmic granules

20
Q

Which blood cells are active in phagocytosis?

A

neutrophils, monocytes

21
Q

Which blood cells are active in antibody formation?

A

lymphocytes

22
Q

What are active in the process of blood clotting?

A

platelets

23
Q

The heart beat is initiated by the….

A

sinoatrial node

24
Q

The cardiac cycle is the period from ___________.

A

the end of one ventricular contraction to the end of the next ventricular contraction

25
Q

The contraction phase of the cycles is _________.

A

systole

26
Q

The relaxation phase is ________.

A

diastole

27
Q

The largest veins and what do they do?

A

Superior and inferior venae cavae, empty into the right atrium of the heart

28
Q

The walls of _______ are thick and elastic.

A

arteries

29
Q

The walls of _______ are thinner and less elastic.

A

veins

TEAS/ HESI (19 decks)

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