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Test 2 Circulatory P.3 > Circulatory > Flashcards

Circulatory Flashcards

1
Q

Vessels that RETURN blood to the heart

A

Veins

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2
Q

Vessels that carry AWAY from the heart

A

Arteries

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3
Q

Vessel that EXCHANGE materials with tissue fluid

A

Capillaries

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4
Q

Strongest vessels able to expand and constrict

A

Arteries

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5
Q

Small arteries whose contraction can be regulated by the nervous system

A

Arterioles

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6
Q

Extremely NARROW microscopic tube having a wall composed of only ONE layer of cells

A

Capillaries

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7
Q

THINNER wall vessels containing valves to prevent backflow

A

Vein

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8
Q

Deoxygenated blood returning to the heart enters the

A

R A

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9
Q

Blood is pumped out through the pulmonary trunk by

A

R V

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10
Q

Blood returns from the lungs to the

A

L A

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11
Q

Erythrocytes

A 
RED blood cells
have NO nucleus 
can't reproduce themselves 
live an avg of 120 days
packed with molecule of hemoglobin to carry oxygen
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12
Q

Anemia

A

Condition where there is fewer Erythrocytes than normal

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13
Q

Deoxygenated blood returning to the heart enters from

A

Inferior Superior Vena Cava

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14
Q

Blood pumped from L V to the

A

AORTA

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15
Q

Blood returns from the lungs

A

Via Pulmonary Veins

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16
Q

Valves that prevent backflow of blood in the heart

A

R&L A R&L V Triscupid & Bicuspid (mitral)

17
Q

Leaky valve is called

A

Heart Murmur

18
Q

Contraction of the heart (beat) is called

A

systole

19
Q

Blood pressure is higher in the veins than in the arteries

A

False

20
Q

Pulmonary veins carry deoxygenated blood

A

False

21
Q

Dissolved nutrients are transported by blood plasma

A

True

22
Q

Leukocytes are more numerous than erythrocytes(red)

A

False

23
Q

Platelets play a role in blood clotting

A

True

24
Q

Cardiovascular disease disease accounts for more deaths in the U.S. than cancer and accidents combined

A

Falsse??!!

25
Q

Cholesterol LDL combinations triggers arteriosclerosis

A

True

26
Q

iron containing molecule in red blood cells is called

A

Hemogoblin

27
Q

Trace a drop of blood through the circulatory system

A

http://library.thinkquest.org/C003758/Structure/CardioOverview.htm

28
Q

What would help you develop cardiovascular disease?

A

Smoking

29
Q

In fish

in human

A

fish is 1 circuit

human 2 circuits

30
Q

heart valves function to

A

keep blood moving through the heart

31
Q

what is atherosclerosis?

A

Build up of lipids along the inside of heart vessels

32
Q

physiological cause of heart attack?

A

blockage of one or more coronary arteries as a result of plaque build up from LDL’s and possible calcium deposits

33
Q

Blood contained within

A

closed circulatory system

34
Q

blood empties into cavities or sinuses

A

open circulatory system

35
Q

Primary sealants that plug leaks in blood vessels are

A

Platelets & Fibrin

Test 2 Circulatory P.3 (1 decks)

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