stiner- oxygen transport

Question 1

The aqueous soln containing formed elements and lacks cells is

Answer 1

plasma

Question 2

what is serum?

Answer 2

plasma faction without clotting factors

Question 3

cellular fraction called what?

Answer 3

hematocrit (45%)

Question 4

function of blood?

Answer 4

transport- oxygen, nutrients
distribution- nutrients, removes waste
some components involved in defense- plasma, serum

Question 5

3 major cell components of blood

Answer 5

erythrocytes
leukocytes
thrombocytes

Question 6

plasma function

Answer 6

• mainly water

- caries albumin, Carbon dioxide, hormones

Question 7

RBC…derived? functoin

Answer 7

red bone marrow
carry oxygen, remove CO2
no organelles or nuclei

Question 8

WBC function

Answer 8

protect the body by fighting diseases

Question 9

platelets…derived from what? function

Answer 9

megakaryocytes

blood coagulation

Question 10

plasma proteins 2 main catagories

Answer 10

1. proteins synthesized by the liver

2. immunoglobins synthesized by bone marrow

Question 11

which protein accounts for 50% of plasma proteins

Answer 11

albumin

Question 12

albumin

Answer 12

highly polar

responsible for transporting hydrophobic fatty acids, bilirubin, and drugs

Question 13

Transferrin

Answer 13

is a plasma glycoprotein that transports iron through the blood to the liver, spleen, and bone marrow.

Question 14

Ferritin

Answer 14

is the major iron storage protein found in almost all cells of the body.

Question 15

Hemosiderin

Answer 15

is a derivative of ferritin and is found in the liver, spleen, and bone marrow. It is insoluble in aqueous solutions, and forms aggregates that slowly release iron when deficiency occurs.

Question 16

Ceruloplasmin

Answer 16

is the major transport protein for copper, an essential trace element.

Question 17

IgA

Answer 17

is found widely in secretions and presents an antiseptic barrier, which protects mucosal surfaces

Question 18

IgD

Answer 18

is a surface receptor for antigen in B lymphocytes

Question 19

IgE

Answer 19

IgE is present only in trace amounts and acts to bind antigen and promote a release of vasoactive amines from mast cells

Question 20

IgG

Answer 20

IgG is the most common immunoglobulin; freely crosses the placenta

Question 21

IgM

Answer 21

IgM is confined to the intravascular space and helps eliminate circulating antigens and microorganisms

Question 22

Measurement of _____ concentration in plasma is an essential test in diagnosis and monitoring of infection and sepsis

Answer 22

CRP

Question 23

_______ transfer is essential for energy metabolism

Answer 23

Oxygen

Question 24

Globins increase the ___________ of the otherwise poorly soluble hydrophobic heme group

Answer 24

aqueous solubility

Question 25

complex found in heme

Answer 25

porphyin/iron complex

Question 26

75% of iron attached to heme proteins in what state

Answer 26

Fe 2+

Question 27

other 15% of iron is where?

Answer 27

stored in liver, spleen, bone marrow

Question 28

stored formed of inron is what

Answer 28

ferritin, hemosiderin

Question 29

iron predominately reabsorbed where?

Answer 29

in the duodenum

Question 30

hemoglobin strucutre

Answer 30

Tetrahedral array of 2 identical a-globulins and 2 identical b-globulins
4 heme groups