SI LAB - Glossary 4 Flashcards Preview

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Flashcards in SI LAB - Glossary 4 Deck (32):
1

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

blocking of agglutination of red cells

2

hemolysin causes release of what substance

hemoglobin

3

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

antibody and serum complement

4

HIV leads to

AIDS

5

in inactivation, the activity of which substance is nullified

serum complement

6

virus that causes IM

Epstein Barr

7

Characteristics/Symptoms of IM

Pharyngitis, lymphodenopathy, fever

8

severity of leukocytosis in IM

moderate

9

moderate leukocytosis in IM is due to what ?

abnormal mononuclear cells

10

processes involved in lyophilization (2)

rapid freezing and dehydration

11

lysin causes what

dissolution or lysis

12

O antigen is the surface ___antigen of bacteria

somatic

13

opsonin attaches to an antigen and renders it susceptible to ______

phagocytosis

14

Passive hemagglutination results from antibodies directed to what kind of Ag

Ag absorbed to their erythrocyte surface

15

in postzone reaction
describe levels of antigen or antibody and titer

excess antigen
low Ab titer

16

in prozone reaction
describe levels of antigen or antibody and titer

high Ab titer
low Antigen

17

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

PRECIPITIN

18

pseudoagglutination is caused by

agents other than Ab

19

radioisotope emits __ as it decays to a stable nucleus

radiation

20

under what circumstances is reagin produced

in response to tissue invasion and destruction

21

normal amount of reagin

small

22

reagin is increased in what conditions (2)

syphilis and malaria

23

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

incomplete (blocking or univalent) specific Ab

24

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

surface

25

streptokinase is an enzyme which dissolves ____

clots

26

streptokinase dissolves clots by ____

converting plasminogen to plasmin

27

T cell is derived from which organ

thymus

28

T cell is responsible for what kind of immunity

cell-mediated

29

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

highest dilution
visible reaction

30

high ionic strength colloidal medium

albumin

31

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

high ionic strength colloidal medium

32

zeta potential is the ___ in electrical charge of red cell

reduction

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