A&P chapter 19

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their blood lacks A or B antibodies

People with type AB blood are considered the "universal recipient" for transfusions because

55;92

Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasma volume.

interstitial fluid

Plasma is closest in composition to

Immunoglobulins

Plasma proteins essential in body defense are the

megakaryocytes

Platelets are pinched off from giant multinucleated cells in the bone marrow called

erythropoietin

Red blood cell production is regulated by the hormone

4 months

The average life span of a red blood cell is

proteins

The chief difference between plasma and interstitial fluid involves the concentration of

agglutination

The clumping of red blood cells, when the specific antibody against the antigen on the cells is added, is called

whole blood

The combination of plasma and formed elements is called

thrombin

The conversion of fibrinogen to fibrin is catalyzed by the enzyme

vascular spasm

The first step of hemostasis is

water

The most abundant component of plasma is

albumins

The most abundant proteins in blood plasma are

neutrophils

The most numerous white blood cells in peripheral circulation are the

hematocrit

The percent fraction of formed elements relative to whole blood is the

Erythropoiesis

The process of red blood cell production is called

RBCs have both the A & B surface antigens and no ABO plasma antibodies

Type AB blood has which of the following characteristics?

antibodies

Which of the following is not one of the formed elements of blood? antibodies platelets RBC'S lymphocytes

The normal pH of blood is 6.8 to 7.0

Which of the following statements about blood is false? Blood contains buffers that control pH The normal pH of blood is 6.8 to 7.0 Blood is more viscous than water Blood is about 55 percent plasma

liver

Which organ secretes most of the plasma proteins?

eosinophils

White blood cells that are increased in allergic individuals are the

basophils

White blood cells that release histamine at the site of an injury are

presence of specific glycoproteins on the cell membrane

A person's blood type is determined by the

fibrinogen

A plasma protein essential for blood clotting is

45

A typical adult hematocrit is

red bone marrow

All the circulating red blood cells in an adult originate in the

serum

Blood that has clotting proteins removed is termed

neutrophils

During a bacterial infection you would expect to see increased numbers of

iron

Each heme ring in hemoglobin encloses an atom of

the liver

Most of the protein factors that are required for clotting are synthesized by


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