Immunology Flashcards
inhalation of dried
powder of smallpox lesions.
a. vaccination
b. Insuffation
c. Variolation
d. inoculation
Insuffation
- Father of Immunology
- Was also involved in
microbiology. - Created the first live attenuated
vaccine for chicken cholera
and anthrax vaccine. - Involved in the development of
the rabies vaccine.
a. Edward Jenner
b.Lady Mary Wortley Montagu
c.Hacckel
d.Louis Pasteur
Louis Pasteur
Variolation is the immunization
against smallpox done through
insuffation. Lady Mary Wortley Montagu contributed the variolation.
a. both statements are true
b. both statements are false
c. only 2nd statement is true
d. only 1st statement is true
only 2nd statement is true
First person who observed the
process of phagocytosis (cell
eating)
a. Hacckel
b. Edelman and Porter
c. Gallo and Montagier
d. Ellie Metchnikoff
Hacckel
Worked on Delayed Type
Hypersensitivity. (Type IV
Hypersensitivity)
a. Portier and Richet
b. Koch
c. Marrack
d. Edelman and Porter
Koch
choose the correct pair
a. Hybridoma Technology: Jerne and Burnet
b. Th1 and Th2 Model: Ramsdell
c. Toll Like Receptors: Hoffman and Beutler
d. HPV Vaccine: Allison
Toll Like Receptors: Hoffman and Beutler
choose correct pair
a. Portier and Richet; (Type IV
Hypersensitivity)
b. Tonegawa;Antibody Molecule
c. Gallo and Montagier;study of syphilis
d.Marrack;Lattice Theory of Ag-Ab
Binding
Marrack;Lattice Theory of Ag-Ab
Binding
choose incorrect pair
a. Variolation;Lady Mary Wortley Montagu
b. TCR;Allison
c. Ramsdell;HPV Vaccine
d.Mossman;Th1 and Th2 Model
Ramsdell;HPV Vaccine
True about innate immunity
- No immunologic memory
- Response is rapid and specific
- PAMPs and DAMPs are recognized
- does not need prior exposure to activate
a. 1,2,3,4
b. 1,2,3
c. 1,3,4
d. 1,3
1,3,4
true about adaptive immune
- has immunologic memory
- slow but specific response
- Anamnestic
- No prior exposure is needed to activate
a. 1,2,3,4
b. 1,2,3
c. 1,2
d. 1,2,4
1,2,3
prevent the growth of pathogens
a. Lysozymes
b. stomach acidity
c.Normal flora
d. Ciliated cells
stomach acidity
true or false
If the innate immunity recognizes an antigen again, the second response would be faster.
false; should be acquired immunity
Cellular Component that is called sustained phagocytosis
a. Monocytes
b. Macrophages
c. Lymphocytes
d. Neutrophils
Monocytes
They are able to produce cytokines which are chemical signals involved
in the transmission or signaling of other cells
a. Monocytes
b. Macrophages
c. Lymphocytes
d. Neutrophils
Macrophages
→ 1
st immune cells that go to the site of injury
→ Coming from the blood vessels, they would go to the tissues then
become phagocytic
→ Short lifespan
a. Monocytes
b. Macrophages
c. Lymphocytes
d. Neutrophils
Neutrophils
Receptors needed for NK cells
a. CD16 and CD56
b. CD26 and CD50
c. CD5 and CD 16
d. CD6 and CD5
CD16 and CD5
→ They are capable of antigen presentation
→ Professional antigen presenting cells (APC)
→ They are also involved in the adaptive immune response
→ Have a large amount of MHC Class II molecules
a. Mast cells
b. T cells
c. NK cells
d. Dendritic cells
Dendritic cells
Humoral Components
- Complement
- Interferon
- Phagosome
- Lysozyme
a. 1,2,3,4
b. 2,3,4
c. 1,3,4
d. 1,2,4
1,2,4
true or false
Macrophages and Dendritic cells are involved in innate and adaptive immune
response
true
TLR2 for
a. gram neg bacteria
b. gram pos bacteria
c. dsRNA
d. ssRNA
gram pos bacteria
TLR3
a. gram neg bacteria
b. gram pos bacteria
c. dsRNA
d. ssRNA
dsRNA
TLR7
a. gram neg bacteria
b. gram pos bacteria
c. dsRNA
d. ssRNA
ssRNA
LPS (endotoxin)
a.TLR1
b. TLR4
c. TLR2
d. TLR3
TLR4
lipopeptides of Mycobacteria
a.TLR1
b. TLR4
c. TLR2
d. TLR3
TLR1
dsDNA
a. TLR3
b. TLR7
c. TLR8
d. TLR9
TLR9
Phagocytosis step wherein Microorganism is completely surrounded by a part of the cell
membrane
a. granule contact
b. adherence
c. engulfment
d. formation of phagosome
formation of phagosome
Outflowing of cytoplasm to surround the microorganism
a. granule contact
b. adherence
c. engulfment
d. formation of phagosome
engulfment
Physical contact between the phagocytic cell and the microorganism
occurs, aided by opsonins
a. granule contact
b. adherence
c. engulfment
d. formation of phagosome
adherence
Chemotaxins:
a. C3b, C4b, C5b
b. C2b, C3b, C4b
c. C5a, C5b, C6, C7
d. C5a, C3b, C6, C5b
C5a, C5b, C6, C7
Opsonins:
a. C3b, C4b, C5b
b. C2b, C3b, C4b
c. C5a, C5b, C6, C7
d. C5a, C3b, C6, C5b
C3b, C4b, C5b
Buckley Syndrome has presence of stomatitis. Lazy Leukocyte Syndrome is seen in patients with atopic dermatitis
a. both statements are true
b. both statements are false
c. only 2nd statement is true
d. only 1st statement is true
both statements are false
true about Job’s Syndrome
- also known as Buckley Syndrome
- Hyper IgE syndrome
- increased production of IFN-gamma by T
cells
4.seen in patients with recurrent infections (stomatitis)
a. 1,3
b. 2,3
c. 1,2
d. 3, 4
1,2
Plasma proteins that are increased rapidly in response to innate inflammation
a. IFN
b. APR
c. TLR
d. DAMPs
APR
B lymphocytes is part of the cell mediated immunity. Cell Mediated Immunity is involved in cell lysis and apoptosis
a. both statements are true
b. both statements are false
c. only 2nd statement is true
d. only 1st statement is true
only 2nd statement is true
Humoral Immunity
- B lymphocytes
- Extracellular
pathogens - Antibodies
- MOA: Opsonization,
Neutralization, phagocytose pathogen
a. 1,2,3
b. 1,2,4
c. 1,3,4
d. 1,2,3,4
1,2,3,4
Immune cells
involved in Humoral Immunity
a. B lymphocytes
b. T lymphocytes
B lymphocytes
Percentage of T lymphocytes in the blood
a. 10-15%
b. 75-85%
c. 85-95%
d. 20-55%
75-85%
Percentage of B lymphocytes in the blood
a. 10-15%
b. 75-85%
c. 85-95%
d. 20-55%
10-15%
Surface markers
present in T lymphocytes
a. CD5,CD3,CD4,CD6
b.CD1,CD3,CD6,CD8
c. CD2,CD3,CD4,CD8
d. CD3,CD2,CD4,CD8
CD2,CD3,CD4,CD8
B lymphocytes is identified by
a. Rosette formation
b. Antibodies
c. Extracellular microbes
d. Surface IgM and IgD
Surface IgM and IgD
Found on all T cells;
associated with T-cell
antigen receptor. Has 20-28KD
a. CD4
b. CD5
c. CD3
d. CD8
CD3
Identifies T helper cells;
also found on most T
regulatory cells. Has 55KD
a. CD4
b. CD5
c. CD3
d. CD8
CD4
Low affinity Fc receptor
for antibody; mediates
phagocytosis
CD16
CD6
CD8
CD18
CD16
Part of B-cell coreceptor;
regulates B-cell
development and
activation
CD21
CD19
CD16
CD56
CD19
Receptor for complement
component C3d; part of
B-cell coreceptor with
CD19
CD15
CD19
CD16
CD56
CD21
crucial for differentiation and
growth of T cell
a.Pro-T/Double Negative
Thymocytes
b. Pre-T/ Double Positive
Thymocytes
c. Pre-T/ Double Positive
Thymocytes
Pro-T/Double Negative
Thymocytes
Able to recognize
Peptides complexed with
MHC-1 molecules
Capable of direct killing
a. T regulatory
b. T helper
c. T cytotoxic
T cytotoxic