AP2 quiz chapter 20

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which of the following is mismatched

pernicious anemia - loss of blood from the body

which of the following formed elements do not have chromosomes?

erythrocytes and reticulocytes

Malaria is spread by the Epstein-Barr virus

false

Aspirin inhibits platelet plug formation by

interfering with the synthesis of prostaglandins.

iron

is needed to produce hemoglobin

An increased amount of heparin in the blood might

slow down the clotting process.

the total blood volume is __ plasma

55%

What may be affected if the enzyme carbonic anhydrase was not made in the body?

Conversion of carbon dioxide to bicornate ion

Which of the following statements regarding leukocytes is true?

Leukocytes are the largest of the formed element

Platelets

all these choices are correct

erythroblastosis fetalis

antibodies from the mother cross the placenta and affect the fetus

During platelet plug formation,

platelets stick to the exposed collagen fibers of injured vessels.

red blood cells will develop from

proerythroblasts

a white blood cell engulfing a bacterium is an example of blood functioning in

protection

Plasma is ____ while formed elements are ____.

the liquid portion of blood; the cells

Hemophilia is a sex-linked genetic disorder

true

an immature erythrocyte is called a reticulocyte

true

the overproduction and release of immature leukocytes results in leukemia

true


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