Test 3

Question 1

what are the four chambers of the heart?

Answer 1

two atria and two ventricles

Question 2

what are the four valves of the heart?

Answer 2

tricuspid, pulmonary, mitral, and aortic

Question 3

thick cardiac muscle tissue in the heart chambers

Answer 3

myocardium

Question 4

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

Answer 4

endocardium

Question 5

thin membrane that attaches to the exterior surface of the myocardium

Answer 5

epicardium

Question 6

contraction

Answer 6

systole

Question 7

relaxation

Answer 7

diastole

Question 8

heart layer that protects

Answer 8

pericardium

Question 9

ensure a one way system of blood flow

Answer 9

cardiac valves

Question 10

projections of the cardiac valves

Answer 10

cusps

Question 11

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

Answer 11

chordae tendineae

Question 12

the cardiac valve opening is too narrow

Answer 12

stenosis

Question 13

when blood leaks back in the cardiac valve

Answer 13

regurgitation

Question 14

blood vessels

Answer 14

arteries, arterioles, veins, venules and capillaries

Question 15

where do arteries get blood?

Answer 15

from the heart

Question 16

what do veins do?

Answer 16

give blood to the heart

Question 17

what is blood made of?

Answer 17

plasma, blood cells, and waters

Question 18

what is plasma made of?

Answer 18

hormones, nutrients, and waste products

Question 19

difference between cardiac arrest and MI

Answer 19

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

Question 20

leukemia fatal in less than 6 months if not treated

Answer 20

acute leukemia

Question 21

slow progression leukemia

Answer 21

chronic leukemia

Question 22

What are the two types of cells involving leukemia?

Answer 22

myeloblasts and lymphoblasts

Question 23

system that regulates and integrates the body’s metabolic activities

Answer 23

endocrine system

Question 24

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

Answer 24

hypothalamus

Question 25

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

Answer 25

hormones

Question 26

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

Answer 26

pituitary gland

Question 27

butterfly shaped endocrine gland in front of neck

Answer 27

thyroid gland

Question 28

what are the thyroid hormones?

Answer 28

thyroxine, triidothyronine

Question 29

What does thyroxine do?

Answer 29

helps with digestion, brain development, heart and muscle function

Question 30

What does triiodothyronine do?

Answer 30

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

Question 31

how many molecules in thyroxine?

Answer 31

4 molecules of iodine

Question 32

molecules in triidothyronine

Answer 32

3 molecules of iodine

Question 33

insufficient iodine in diet

Answer 33

colloid goiter

Question 34

from the ingestion of goitrogen

Answer 34

sporadic goiter

Question 35

Normal T4 and T3 with thyroid enlargement

Answer 35

simple goiter

Question 36

gland located on top of kidney

Answer 36

adrenal gland

Question 37

what is in adrenal cortex

Answer 37

mineralocorticoids, glucocorticoids, adrenal androgens

Question 38

what is in the adrenal medulla?

Answer 38

epinephrine, norepinephrine, dopamine

Question 39

hormone that helps with movement, memory, reward

Answer 39

dopamine

Question 40

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

Answer 40

norepinephrine

Question 41

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

Answer 41

epinephrine

Question 42

involves tesotsterone

Answer 42

adrenal androgens

Question 43

involves cortisol, glucose metabolism

Answer 43

glucocorticoids