All antibodies have a basic structure, consisting of two identical heavy polypeptide chains and one
identical light polypeptide chains,
identical light polypeptide chains,
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43%
T
57%
F
Heavy chain and light chain in Ab linked together by
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8%
Chemical bonds
23%
Polypeptide bonds
62%
Disulfide bonds
7%
Polysaccharides bonds
All of the following types of heavy chain except
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4%
Alpha
74%
Beta
10%
Gamma
6%
Delta
5%
Mu
Protects mucosal surfaces, acting as a first line of defense in the respiratory and
gastrointestinal systems.
gastrointestinal systems.
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16%
IgG
17%
IgM
5%
IgD
4%
IgE
58%
IgA
The first antibody produced in response to infection, forming pentamers for efficient binding.
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14%
IgG
8%
IgA
73%
IgM
4%
IgD
1%
IgE
IgD is Protects against parasitic infections and plays a role in allergic reactions.
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34%
T
66%
F
Provides long-term immunity and can cross the placenta to protect the fetus. Found in all body
fluids.
fluids.
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85%
IgG
5%
IgA
5%
IgM
1%
IgE
3%
IgD
Agglutination tests are based on the lines of antibodies (Ab) and antigens (Ag)
to forming visible clumps.
to forming visible clumps.
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74%
T
26%
F
😢2
involves antigen-antibody combination through single antigenic
determinants and is rapid, reversible
determinants and is rapid, reversible
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73%
Sensitization
13%
Lattice formation
10%
Prozone effect
3%
Post-zone effect
Lattice formation is involves antigen-antibody complexes through multiple
antigenic determinants and the formation of stable visible clumps.
antigenic determinants and the formation of stable visible clumps.
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87%
T
13%
F
The antibody excess results very small complexes that not form
visible clump and gives false-negative agglutination in Post-zone effect
visible clump and gives false-negative agglutination in Post-zone effect
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32%
T
68%
F
All of the following is Direct (active) agglutination test except
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7%
Widal test
10%
Rose Bengal test
12%
Blood group typing
71%
C-reactive protein (CRP)
The antigens or antibodies are coated on the surface of carrier particles such as
carbon particles, latex particles, or RBCs.
carbon particles, latex particles, or RBCs.
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20%
Active agglutination test
58%
Passive agglutination test
7%
Sensitization
15%
Heamagglutination inhibition test
The best example of this occurs in ABO blood group typing of RBCs.
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25%
Direct (active) agglutination test
9%
Indirect (passive) agglutination test
60%
Direct (active) heamagglutination test
7%
Indirect (passive) heamagglutination test
Treponema Pallidum Haemagglutination Test Example for
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15%
Direct (active) heamagglutination test
65%
Indirect (passive) heamagglutination test
5%
Direct (active) agglutination test
15%
Indirect (passive) agglutination test
Direct (active) agglutination test is used to detect antibodies in the serum against virus infection. Some viruses such
as Influenza virus, Measles virus, and some bacteria .
as Influenza virus, Measles virus, and some bacteria .
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56%
T
44%
F
Forwarded from Ahmed arkan abdallah
سلام عليكم طلاب
دكتور حسين (وراثه عملي )يكول خل هاي الاسماء يراسلوني
فاطمة رافع نجم
قصي سطام زيدان
عمر كريم عجيل
عبد الله عبد المجيد
فاطمه جمعة عبد الجبار
علا مؤيد هادي
حنين ثامر صبحي
مصطفى فريح سعيد
منال جاسم محمد
غدير حسين عامج
منى احمد حماد
عمر احمد عبدالله
@Wajedw
دكتور حسين (وراثه عملي )يكول خل هاي الاسماء يراسلوني
فاطمة رافع نجم
قصي سطام زيدان
عمر كريم عجيل
عبد الله عبد المجيد
فاطمه جمعة عبد الجبار
علا مؤيد هادي
حنين ثامر صبحي
مصطفى فريح سعيد
منال جاسم محمد
غدير حسين عامج
منى احمد حماد
عمر احمد عبدالله
@Wajedw
Forwarded from القناة الرسمية لقسم المختبرات
هام لطلبة المرحلة الثالثة ...
نرفق لكم في ادناه خرائط جلوس امتحان يوم غداً ( المناعة ) يبدأ الامتحان الساعة الحادية عشر صباحاً ... خالص دعواتنا لكم بالتوفيق والنجاح
نرفق لكم في ادناه خرائط جلوس امتحان يوم غداً ( المناعة ) يبدأ الامتحان الساعة الحادية عشر صباحاً ... خالص دعواتنا لكم بالتوفيق والنجاح