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ุฒููุจ ู
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63) An 8-month old boy presents to the emergency room in respiratory distress from a recurrent upper respiratory tract bacterial infection. Labs reveal low levels of IgA, IgD, IgE, IgG, and IgM. Suspecting an immune deficiency disorder, genetic testing revealsโฆ
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Circulation antibodies(immunoglobulins ) synthesized in the
Anonymous Quiz
14%
Liver
1%
Kidney
85%
B_ Lymphocytes
Forwarded from ุฒููุจ ู
ุถููู
IgA and IgM have additional peptide chain, a J
(joining) chain, thought to assist the processes of
polymerization
(joining) chain, thought to assist the processes of
polymerization
Anonymous Quiz
91%
T
9%
F
Forwarded from ุฒููุจ ู
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Forwarded from ุฒููุจ ู
ุถููู
The main antibody in the primary immune response is
Anonymous Quiz
0%
IgD
86%
IgM
2%
IgE
9%
IgG
3%
IgA
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Q10 Henoch Schonlein purpura is characterized by the deposition of the following immunoglobulin around the vessels
Anonymous Quiz
21%
IgM
31%
IgG
25%
IgA
23%
IgE
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Anonymous Quiz
22%
A-IgM
6%
B-IgE
72%
C-IgG
Forwarded from ุฒููุจ ู
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45. Regarding IgG, which one is the most accurate?
Anonymous Quiz
9%
A. Each IgG has one antigen binding site.
10%
B. During the primary response, it is made in larger amount than is IgM
63%
C,It is the only one of five immunoglobulin that is transferred from mother to fetus in utero
7%
D. It has a J- chain
11%
E. It is found on the surface of many B cells as well as in the serum.
Forwarded from ุฒููุจ ู
ุถููู
46. Regarding the functions of different classes of antibodies, which one of the following is most accurate:
Anonymous Quiz
2%
A. IgE blocks the binding of viruses to gut mucosa
7%
B. IgA acts as antigen receptor on the surface of B cells
6%
C. IgD is the most important defence against worms
77%
D, IgG can activate complement and opsonizes bacteria
7%
E. IgM is present in trace amount in normal serum
Forwarded from ุฒููุจ ู
ุถููู
Forwarded from โญ๐
๐
๐
๐
๐
โญ
What is antibody has high affinity for its target
Anonymous Quiz
54%
IgG
29%
IgM
6%
IgE
0%
IgD
11%
IgA
Forwarded from โญ๐
๐
๐
๐
๐
โญ
Test your self 3rd stage pinned ยซู
ุญุงุถุฑุฉ ุฏูุชูุฑ ุทุงูุจ ุงูุฃููู Introduction to Medical Mycologyยป
Test your self 3rd stage pinned ยซู
ุญุงุถุฑุฉ ุฏ.ุธุงูุฑ Antigen recognition moleculesยป
Forwarded from HiMed ๐๐
If a person had a mutation in the gene encoding J (joining) chains, which of the following classes of antibodies could NOT be produced?
Anonymous Quiz
60%
IgA and IgM
10%
IgA and IgG
12%
IgG and IgE
18%
IgM and IgE
Forwarded from HiMed ๐๐
Theses are all features of IgA except:
Anonymous Quiz
33%
Doesnโt fix the classical complement pathway
33%
Presents as a monomer on the surface of B cells but dimer in internal secretion
24%
Has two allotypes
10%
Doesnโt cross the placenta
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Action of papain on an IgG molecule produces:
Anonymous Quiz
14%
2 Fc fragments and 1 Fab fragment
35%
1 Fc fragment and 2 fab fragments
18%
2 Fc fragments and 2 fab fragments
33%
1 Fc fragment and 1 fab fragment
Forwarded from HiMed ๐๐
In-utero infection leads to raise of which immunoglobulin first?
Anonymous Quiz
46%
IgG
42%
IgM
7%
IgA
5%
IgE
Forwarded from HiMed ๐๐
Forwarded from HiMed ๐๐
What type of anti-body activate mast cell?
Anonymous Quiz
9%
IgM
8%
IgG
65%
IgE
5%
IgA
13%
ุงุนุฐุฑููุฉ ูุงุจุฉ ๐
Forwarded from HiMed ๐๐