Classical pathway Study guides, Class notes & Summaries
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SBB 5261 Exam 1 | 100% Correct Answers | Verified | Latest 2024 Version
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IgG Sublcass most efficient in initiating classical complement - IgG3 
Steric exclusion of water molecules is the mechanism of this enhancement - PeG 
Stage of Complement activation common to all three pathways - Activation Phase-C3 convertase 
IgM agglutination is enhanced at what temperature - Lower than RT 
Activation of C1 in classical pathway requires - Calcium 
What antigens are destroyed by Enzymes - MNSs Fya and Fyb 
A shot containing killed virus which causes the body to produce antibod...
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Immunology Exam 1 - BIOL 5500
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Immunology Exam 1 - BIOL 5500 
combatting multicellular parasites or helminths 
What are the major function of eosinophils? 
 
 
source of cytokine IL-4 which INITIATES allergic response 
What is the major function of Basophils? 
 
 
Major mediators of CARRYING OUT allergic reactions 
What is the major function of mast cells? 
 
 
basophils and mast cells 
Which two granulocytes have the most in common? 
 
 
24 hours 
What is the half life of a neutrophil? 
 
 
neutrophils 
Which granulocyte is ...
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ZOO 4234 exam with Questions & 100% Correct Verified Answers
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Complements circulate freely in blood plasma. 
True or False? - True 
Name the three ways complements can be activated by - Classical pathway, alternative pathway, 
and lectin pathway. 
The lectin pathway occurs spontaneously. 
True or False? - False; it has to do with the cell wall polysaccharides of bacteria and fungi 
The classical pathway refers to the antigen-antibody complex. 
True or False? - True. 
Opsonization - makes pathogen "tasty" for phagocytic cells like macrophages and neutroph...
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NGR 6152 Midterm || with 100% Error-free Solutions
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Eukaryotic cells correct answers Consists of 3 general components: plasma membrane, cytoplasm and intracellular organelles 
 
Nucleolus correct answers Small, dense structure composed of RNA; most of the cellular DNA 
 
Histones correct answers DNA-binding proteins that help compact and fold DNA into chromosomes 
 
Passive Transport correct answers The movement of materials through a cell membrane without using energy. Occurs by osmotic pressure. 
 
Active Transport correct answers Energy-requir...
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Clinical Immunology / Serology questions with complete solutions
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Which of the following is not attributed to cytokines? correct answer: Stimulates the classical complement pathway 
 
Which two organs are considered the primary lymphoid organs in which immunocompetent cells originate and mature? correct answer: Thymus and bone marrow 
 
What type(s) of B cells are formed after antigen stimulation? correct answer: Plasma cells and memory cells 
 
What is the process by which phagocytic cells are attracted to a substance such as a bacterial peptide? correct a...
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MMSC420 EXAM 2 (with 100% Correct Solutions)
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Roles of complement system correct answers - direct lysis of cells, bacteria and enveloped viruses 
-assist with opsonization to facilitate phagocytosis 
-produce peptide fragment split products which can mediate inflammatory and immune responses 
 
classical pathway correct answers -a series of proteins called factors amplifies the immune response 
-factors circulate in inactive forms 
-upon activation they attach in an exact sequence 
 
CP recognition correct answers (C1= C1q-C1r-C1s) 
 
CP en...
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MMSC 360 Final Exam (questions & answers)
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Most important phagocytic cell found in the bloodstream correct answers polymorphonuclear cell (PMN) 
 
Molecules found on human cells that can bind to molecules from infectious agent: correct answers pathogen recognition receptors 
 
process whereby molecules enhance the binding of bacteria to WBC correct answers opsonization 
 
neutrophils contribute to inflammation by correct answers degranulating 
 
the activation of the classical complement pathway begins with the recognition of _________ b...
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MLT ASCP Practice Questions 3.7.16 & Answers 100% Correct!!
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If the dilution is 1:100, and the average platelet count from both sides of the hemacytometer counting chamber in 2 mm2 is 68, what is the calculated platelet count? 
 
A. 680,000/mm3 
B. 6,800/mm3 
C. 68,000/mm3 
D. 680/mm3 
E. 34,000/mm3 - ANSWER-C; 
A simple way to calculate platelet counts on the hemacytometer is to multiply the average platelet count between the two sides of the chamber by 1,000. In this case 68 x 1,000 = 68,000 platelets. The longer derivation is as follows: 
The standard ...
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MMSC 420/620 Final Exam - MATERIAL FROM EXAM 2 (All Correct)
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______________, _______________, _____________ and ______________ activate classical complement pathway correct answers bacteria, enveloped viruses, tumor cells and foreign cells 
 
______________ ____________ ________ are factors that prevent complement pathways from spontaneously activating and help the reaction to stop once it is not needed anymore. correct answers complement inhibitor proteins 
 
Defintion: Classical Complement Pathway correct answers 2 molecules of IgG or 1 molecule of IgM ...
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ZOO 4234 Parasitology Exam 1 Questions and Answers Latest Updated 2024 (Verified)
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ZOO 4234 Parasitology Exam 1 Questions and Answers Latest Updated 2024 (Verified). Which of the following is not associated with natural killer cells? 
a. perforins 
b. apoptosis 
c. granzymes 
d. phagocytosis 
2) Which of the following is not an aspect of adaptive immunity? 
a. memory 
b. nonself recognition 
c. antigen-specific 
d. localized response 
3) Which of the following is not associated with cytotoxic T cells? 
a. T-cell receptor 
b. kill infected cells 
c. B-cell receptor 
d. CD8 rece...
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