Lab 6

Question 1

One hemoglobin molecule contains ______ heme group; each heme group normally combines with one molecule of _______

Answer 1

4, Oxygen

Question 2

The hormone _________ stimulates the bone marrow to produce RBCS, this hormone is secreted by the ______

Answer 2

Erythropoetin, Kidney

Question 3

Old red blood cells are destoryed by the _______ system, which includes these three organs

Answer 3

Reticuloendothelial; Spleen, liver, bone marrow

Question 4

Heme derived from hemoglobin, minus the iron, is converted into a different pigment, known as

Answer 4

Bilirubin

Question 5

An accumulation of bilirubin can cause yellowing known as

Answer 5

Jaundice

Question 6

Hematocrit

Answer 6

Ratio of packed cell volume to total blood volume

Question 7

The molecule formed by the binding of oxygen to deoxyhemoglobin

Answer 7

Oxyhemoglobin

Question 8

A hemoglobin molecule containing oxidized iron is called

Answer 8

Methemoglobin

Question 9

A molecule formed from the combination of hemoglobin and carbon monoxide is

Answer 9

Carboxyhemoglobin

Question 10

A general term for an abnormally low RBC or hemoglobin concentration

Answer 10

Anemia

Question 11

The major phagocytic WBCs are called

Answer 11

Neutrophils

Question 12

Molecules that activate the immune system are called

Answer 12

Antigens

Question 13

WBCs leave capillaries by

Answer 13

DIAPEDESIS

Question 14

Antibodies are produced by ______ lymphocytes, cell-mediated immunity is provided by ______ lymphocytes

Answer 14

B, T

Question 15

The universal blood donor is blood type

Answer 15

O

Question 16

The person most in danger of having a child who develops erythroblastosis fetalis is a woman who has the blood type _______ when her husband has the blood type ________

Answer 16

Rh negative, Rh positive

Question 17

The factor that starts the extrinsic clotting pathway:

Answer 17

Tissue thromboplastin

Question 18

Which clotting pathway is faster?

Answer 18

Extrinsic

Question 19

The factor that coverts fibrinogen into fibrin is

Answer 19

Thrombin

Question 20

What is thrombin derived from

Answer 20

Prothrombin

Question 21

What vitamin is needed for the formation of some of the clotting factors?

Answer 21

Vitamin K

Question 22

Citric acid (citrate) is an anticoagulant

Answer 22

Because it removes Ca2+, which is necessary for clotting

Question 23

The general category of disorders in which a person’s clotting time is abnormally long

Answer 23

Hemophilia

Question 24

In forming a platelet plug, platelets release ______, which make other platelets sticky!

Answer 24

ADP

Question 25

Define Anemia

Answer 25

Low oxygen-carrying capacity of the blood caused by low RBC count or low hemoglobin concentration

Question 26

Anemia will cause a person's hematocrit to

Answer 26

decrease

Question 27

Pernicious anemia is due to a lack of vitamin

Answer 27

B12

Question 28

What hormone is responsible for the increased production of RBCs?

Answer 28

Erythropoietin

Question 29

Define agglutinogen

Answer 29

A protein antigen found on the surface of RBCS

Question 30

Agglutinin

Answer 30

An antibody to agglutinogen