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Human Physiology 2 Body System - Week 9-Blood and Immunology-blood and leucocyte Lecture 6 Flashcards | StudBud
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Human Physiology 2 Body System - Week 9-Blood and Immunology-blood and leucocyte Lecture 6
Human Physiology 2 Body System - Week 9-Blood and Immunology-blood and leucocyte Lecture 6
27 terms
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Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
Vaccines are 1._____ (thus immunogenic) but they are not 2._____
1. Antibiotic 2. Pathogenic
1. Antigenic 2. Pathogenic
1. Antigenic 2. Antibiotic
1. Antibiotic 2. Antigenic
2
Helper T cells (Th cells) possess what surface antigen?
CD4
CD6
CD2
CD8
3
MHC Class I molecules are found
Cytoplasm of all nucleate cells
Surface of all anucleated cells
Surface of all nucleated cells
Cytoplasm of all anucleate cells
4
TCR coreceptors, aβ TCRs only recognise Ag in presence of MHC, they will
NOT
recognise Ag alone
True
False
5
T cells continuously ________ via the blood and lymph through different lymph nodes
Circulate
Created
Evade
Invade
6
Smallpox declared eradicated by the WHO
1990
1985
1980
1975
7
MHC Class II molecules present 1.______ which has been 2.______ and processed eg bacteria
1. Endogenous antigen 2. Phagocytosed
1. Exogenous antigen 2. Phagocytosed
1. Endogenous antigen 2. Hydrolised
1. Exogenous antigen 2. Hydrolised
8
What vaccine is moderately protective (40-60%) against what disease
Variola
Yellow fever
Polio
Influenza
9
Treg cells are responsible for _______ the immune system after an infection has been dealt with
Turning on
Keeping stable
Shutting down
All of the answers
10
First vaccination takes place in North America in what year?
1853
1977
1980
1800
11
Regulatory T cells (Treg) have to be presented with Ag to become activated
True
False
12
In 1796 Edward Jenner used _____to immunize people against smallpox
Porkpox
Cowpox
Smallpox
Pigpox
13
Which of the following is diseases is not considered solid immunity through vaccination
Rubella
Typhoid
Measles
Mumps
14
T cells are formed in the bone marrow but mature where?
Thyroid
Spleen
Thymus
Red bone marrow
15
Which classes are involved in the Major histocompatibility complex (MHC) for T cells
Class I and II
Class I, II, III, VI
Class I, II, III
Class I
16
The main T cell groups are
Cytotoxic T cells & killer T cells
Cytotoxic T cells & helper T cells
Cytoplasmic T cells & killer T cells
Cytoplasmic T cells & helper T cells
17
Which vaccine is absolutely protective (100%) against what disease
Polio
Influenza
Yellow fever
Variola
18
In Cytotoxic T lymphocyte after contact TC cells release ___? to kill target cells by apoptosis
Interleukins and granzymes
Interleukins and agranzymes
Perforin and granzymes
Perforin and agranzymes
19
In antigen presenting cells B cells express
MHC class II and produce soluble Ab
MHC class I and produce soluble Ab
MHC class II and produce insoluble Ab
MHC class I and produce insoluble Ab
20
In antigen presenting cells macrophages express both
MHC class I, II, III and IV WIth CD8
MHC class I With CD4
MHC class I and II with CD8
MHC class II with CD4
21
In antigen presenting cells Dendritic cells express both
MHC class I, II, III and IV
MHC class I
MHC class I and II
MHC class II
22
Most vaccines are delivered
Subcutaneous
Oral route
Subcutaneous or intramuscular
All of the answers
23
Vaccination is recognized by immune system and stimulates formation of
B cells
T cells
Macrophages
Memory cells
24
What is the first step in cell-mediated response?
transfer of antibodies to lymph node(s)
release of antigens from lymph node(s)
release of antibodies to lymph node(s)
transfer of antigens to lymph node(s)
25
Smallpox is caused by the
virus sariola
virus bariola
virus tariola
virus variola
26
Cytotoxic T lymphocytes also induce apoptosis on target cells through activating
Fas receptor
True
False
27
T cell receptor Consists of _______ glycopolypeptide chains
Heteromimeric
Heteroquadmeric
Heterodimeric
Heterotrimeric
