Flashcards in SI LAB - Glossary 4 Deck (32)
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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
