SI LAB - Glossary 4

Question 1

hemagglutination-inhibition technique is used in the detectionof Ab involved in what?

Answer 1

blocking of agglutination of red cells

Question 2

hemolysin causes release of what substance

Answer 2

hemoglobin

Question 3

hemolysis is the lysis of rbc by specific —- and —–

Answer 3

antibody and serum complement

Question 4

HIV leads to

Answer 4

AIDS

Question 5

in inactivation, the activity of which substance is nullified

Answer 5

serum complement

Question 6

virus that causes IM

Answer 6

Epstein Barr

Question 7

Characteristics/Symptoms of IM

Answer 7

Pharyngitis, lymphodenopathy, fever

Question 8

severity of leukocytosis in IM

Answer 8

moderate

Question 9

moderate leukocytosis in IM is due to what ?

Answer 9

abnormal mononuclear cells

Question 10

processes involved in lyophilization (2)

Answer 10

rapid freezing and dehydration

Question 11

lysin causes what

Answer 11

dissolution or lysis

Question 12

O antigen is the surface ___antigen of bacteria

Answer 12

somatic

Question 13

opsonin attaches to an antigen and renders it susceptible to ______

Answer 13

phagocytosis

Question 14

Passive hemagglutination results from antibodies directed to what kind of Ag

Answer 14

Ag absorbed to their erythrocyte surface

Question 15

in postzone reaction

describe levels of antigen or antibody and titer

Answer 15

excess antigen

low Ab titer

Question 16

in prozone reaction

describe levels of antigen or antibody and titer

Answer 16

high Ab titer

low Antigen

Question 17

the antibody that causes an antigen to settle out in the precipitation process

Answer 17

PRECIPITIN

Question 18

pseudoagglutination is caused by

Answer 18

agents other than Ab

Question 19

radioisotope emits __ as it decays to a stable nucleus

Answer 19

radiation

Question 20

under what circumstances is reagin produced

Answer 20

in response to tissue invasion and destruction

Question 21

normal amount of reagin

Answer 21

small

Question 22

reagin is increased in what conditions (2)

Answer 22

syphilis and malaria

Question 23

in sensitization or sensitized, cells are coated with what type of Ab

Answer 23

incomplete (blocking or univalent) specific Ab

Question 24

solid radioimmunoassay is an assay in which one of the reactants is bound to a ___

Answer 24

surface

Question 25

streptokinase is an enzyme which dissolves ____

Answer 25

clots

Question 26

streptokinase dissolves clots by ____

Answer 26

converting plasminogen to plasmin

Question 27

T cell is derived from which organ

Answer 27

thymus

Question 28

T cell is responsible for what kind of immunity

Answer 28

cell-mediated

Question 29

titer is the expression of ___dilution of a serum which gives a ___ reaction

Answer 29

highest dilution

visible reaction

Question 30

high ionic strength colloidal medium

Answer 30

albumin

Question 31

zeta potential is the reduction in the electric charge of red cell when it is suspended in what type of medium?

Answer 31

high ionic strength colloidal medium

Question 32

zeta potential is the ___ in electrical charge of red cell

Answer 32

reduction