blood

Question 1

what percent of our blood is polasma?

Answer 1

55%

Question 2

what makes up 45% of our blood?

Answer 2

red blood cells/erythrocytes

Question 3

what makes up under 1% of our blood?

Answer 3

white blood cells/leukocytes

Question 4

what are the functions of blood?

Answer 4

carry O2, CO2, nutrients, and hormones, fight of infection, blood clotting, body temperature

Question 5

what does fibrinogens help with?

Answer 5

blood clotting

Question 6

what do vaccines do?

Answer 6

a form of medicine that teaches your body how to fight off viruses and bacteria

Question 7

what do platelets do?

Answer 7

help blood clot

Question 8

how does fibrinogen turn into fibrin?

Answer 8

fibrinogen is turned into fibrin by an enzyme called thrombin

Question 9

what does fibrin do?

Answer 9

forms a web that traps blood cells to create a clot and stop bleeding

Question 10

what are non-specific white blood cells?

Answer 10

macrophages and neutrophils

Question 11

where are T cells made?

Answer 11

bone marrow

Question 12

which blood type does mom have if erythrocytosis occurs?

Answer 12

mom has (-) blood while baby has (+)

Question 13

which white blood cells puncture viruses and cancer cells?

Answer 13

killer T cells

Question 14

what do helper T cells do?

Answer 14

send signals from macrophages to B cells

Question 15

what do suppressor T cells do?

Answer 15

turn off the immune system once the “fight” against bacteria is over

Question 16

what is the inactive clotting form?

Answer 16

fibrinogen

Question 17

what is fibrin?

Answer 17

the active clotting form

Question 18

what is hemophilia?

Answer 18

a blood clotting issue (platelets are failing)

Question 19

what does HIV attack?

Answer 19

helper T cells

Question 20

which blood type is the universal DONOR?

Answer 20

O-

Question 21

which blood type is the universal RECEIVER?

Answer 21

AB+

Question 22

what is a thrembus?

Answer 22

an unmoving and unwanted blood clot

Question 23

what is an embololus?

Answer 23

a moving unwanted blood clot

Question 24

what are vaccinations?

Answer 24

dead pathogens, weakened pathogens, and antigens off pathogens

Question 25

what types of proteins are in the blood?

Answer 25

albumins, globulins, and fibrinogens

Question 26

what do albumins do?

Answer 26

establish osmotic pressure and draw water back into capillaries

Question 27

what provides protection against invading microbes?

Answer 27

globulins

Question 28

what does vasodilation do?

Answer 28

reduce blood flow so platelets can become sticky and plug the cut

Question 29

how long do erythrocytes live for?

Answer 29

120 days

Question 30

what does hemoglobin do?

Answer 30

increases bloods ability to carry O2

Question 31

how many hemoglobin molecules are in the blood?

Answer 31

280 million

Question 32

how long can blood live without O2 with and without hemoglobin?

Answer 32

with hemoglobin-a few mins without-4.5 seconds

Question 33

where are white blood cells located?

Answer 33

the liver and spleen

Question 34

what do white blood cells do for red blood cells?

Answer 34

monitor the red blood cells age and remove debris

Question 35

what is anemia?

Answer 35

reduction in blood oxygen levels due to low levels of hemoglobin or poor red blood cell production

Question 35

what causes anemia?

Answer 35

hemorrhaging and iron deficiency

Question 36

what is sickle cell anemia?

Answer 36

difficulty moving O2 and CO2 in the blood

Question 37

how long is sickle bloods life span?

Answer 37

10-20 days

Question 38

what is the main difference between leukocytes and erythrocytes?

Answer 38

leukocytes have a nucleus and erythrocytes do not

Question 39

what are glycoproteins?

Answer 39

markers located on the surface of erythrocytes

Question 40

which substance, usually a protein, that the body recognizes as "safe"?

Answer 40

antibodies