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HPEX 353 > Test 3 > Flashcards

Test 3 Flashcards

1
Q

what are the four chambers of the heart?

A

two atria and two ventricles

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2
Q

what are the four valves of the heart?

A

tricuspid, pulmonary, mitral, and aortic

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3
Q

thick cardiac muscle tissue in the heart chambers

A

myocardium

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4
Q

single layer of epithelium that lines the chambers of the heart and covers the heart valves

A

endocardium

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5
Q

thin membrane that attaches to the exterior surface of the myocardium

A

epicardium

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6
Q

contraction

A

systole

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7
Q

relaxation

A

diastole

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8
Q

heart layer that protects

A

pericardium

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9
Q

ensure a one way system of blood flow

A

cardiac valves

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10
Q

projections of the cardiac valves

A

cusps

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11
Q

tendons that hold the cusps in place and are attached to the inner walls of the heart by small papillary muscles

A

chordae tendineae

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12
Q

the cardiac valve opening is too narrow

A

stenosis

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13
Q

when blood leaks back in the cardiac valve

A

regurgitation

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14
Q

blood vessels

A

arteries, arterioles, veins, venules and capillaries

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15
Q

where do arteries get blood?

A

from the heart

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16
Q

what do veins do?

A

give blood to the heart

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17
Q

what is blood made of?

A

plasma, blood cells, and waters

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18
Q

what is plasma made of?

A

hormones, nutrients, and waste products

19
Q

difference between cardiac arrest and MI

A

cardiac arrest person will be unconscious, heart attack person will be conscious. Cardiac arrest is electrical problem, heart attack is circulation problem.

20
Q

leukemia fatal in less than 6 months if not treated

A

acute leukemia

21
Q

slow progression leukemia

A

chronic leukemia

22
Q

What are the two types of cells involving leukemia?

A

myeloblasts and lymphoblasts

23
Q

system that regulates and integrates the body’s metabolic activities

A

endocrine system

24
Q

controls the function of the endocrine glands through its neural and hormonal paths

A

hypothalamus

25
Q

secretions from the gland that are discharged to the blood or lymph and circulated to target organs upon where they act

A

hormones

26
Q

gland that is located at the base of the brain and its function is the relationship between the hypothalamus and number of important hormones they control

A

pituitary gland

27
Q

butterfly shaped endocrine gland in front of neck

A

thyroid gland

28
Q

what are the thyroid hormones?

A

thyroxine, triidothyronine

29
Q

What does thyroxine do?

A

helps with digestion, brain development, heart and muscle function

30
Q

What does triiodothyronine do?

A

helps with metabolism, body temp, growth, heart and digestive function

31
Q

how many molecules in thyroxine?

A

4 molecules of iodine

32
Q

molecules in triidothyronine

A

3 molecules of iodine

33
Q

insufficient iodine in diet

A

colloid goiter

34
Q

from the ingestion of goitrogen

A

sporadic goiter

35
Q

Normal T4 and T3 with thyroid enlargement

A

simple goiter

36
Q

gland located on top of kidney

A

adrenal gland

37
Q

what is in adrenal cortex

A

mineralocorticoids, glucocorticoids, adrenal androgens

38
Q

what is in the adrenal medulla?

A

epinephrine, norepinephrine, dopamine

39
Q

hormone that helps with movement, memory, reward

A

dopamine

40
Q

hormone involved with heart rate and blood pressure, increases blood flow to skeletal muscle

A

norepinephrine

41
Q

hormone involved with heart rate ,muscle strength, bp, and sugar metabolism

A

epinephrine

42
Q

involves tesotsterone

A

adrenal androgens

43
Q

involves cortisol, glucose metabolism

A

glucocorticoids

44
Q
A

HPEX 353 (10 decks)

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