Immunity

Question 1

What are the two types of immunity ?

Answer 1

Innate and acquired

Question 2

When we got innate immunity?

Answer 2

At the time of birth

Question 3

What kind of defence is innate immunity?

Answer 3

Non specific type

Question 4

What are the 4 type of barriers od innate immunity?

Answer 4

Physical
Physiological
Cellular
Cytokine

Question 5

Which is the main barrier that prevents the entry of microorganisms?

Answer 5

Skin

Question 6

Where is the mucus coating found?

Answer 6

Epithelium lining the respiratory

Question 7

Which are the tracts included in physical barriers?

Answer 7

Gastrointestinal and urogenital tracts

Question 8

Which are the physiological barriers?

Answer 8

Acid in stomach
Tears
Saliva

Question 9

How physiological barriers help in immunity?

Answer 9

It prevents microbial growth

Question 10

Which are the cellular barriers?

Answer 10

Certain types of leukocytes
Pmnl neutrophils-[pilymorpho-nuclear leukocytes]
Monocytes
Lymphocytes [natural killer]
Macrophages

Question 11

Which is the cytokine barrier?

Answer 11

Interferon

Question 12

Who produces interferon?

Answer 12

Virus infected cells

Question 13

What is interferon?

Answer 13

Protein produced by virus infected cells

Question 14

How acquired immunity characterised ?

Answer 14

By memory

Question 15

The response produced by our body when it encountered a pathogen for the first time is called ____?

Answer 15

Primary response

Question 16

Intensity of primary response

Answer 16

Low

Question 17

Which are the two lymphocytes that help to carry out primary and secondary responses

Answer 17

T and B lymphocytes

Question 18

How B lymphocytes fight with pathogens ?

Answer 18

Produce an army of proteins

Question 19

How T lymphocytes helps to fight pathogens ?

Answer 19

Helps B lymphocytes to produce antibodies

Question 20

How many peptide bonds an antibody have ?

Answer 20

4

Question 21

What two small chains are called?

Answer 21

Light chain

Question 22

What two long chains are called?

Answer 22

Heavy chains

Question 23

How an antibody is represented ?

Answer 23

H²L²

Question 24

Main antibodies produced by our body

Answer 24

IgG,IgA,IgM,IgE

Question 25

What are the two types of acquired immunse responses?

Answer 25

Antibody mediated and Cell mediated

Question 26

Who mediated cmi

Answer 26

T lymphocytes

Question 27

What are the essentials before undertaking graft/transplant ?

Answer 27

Tissue matching and blood group matching

Question 28

Who have to take immuno-suppresants ?

Answer 28

The person who did organ transplant

Question 29

From which organism vaccine for hepatitis B is produced?

Answer 29

Yeast

Question 30

What is allergens

Answer 30

Substance which to immune response is produced

Question 31

Which antibody is present in colostrum

Answer 31

IgA

Question 32

Which antibody is responsible for allergy

Answer 32

IgE

Question 33

Which are the chemicals that cause allergy?

Answer 33

Histamine Serotonin

Question 34

Where histamine and serotonin are produced from?

Answer 34

Mast cells

Question 35

Drugs help to reduce symptoms of allergy?

Answer 35

Anti histamine Adrenaline Steroids

Question 36

Higher vertebrae can distinguish ____ and ____.

Answer 36

Foreign molecules and organisms

Question 37

Why does the body attack self cells?

Answer 37

Due to genetic and other unknown reasons

Question 38

Example of auto immune disease

Answer 38

Rheumatoid arthritis

Question 39

What are the components of the immune system?

Answer 39

Lymphoid organs Cells Tissues Soluble molecules like antibodies

Question 40

Which are the primary lymphoid organs ?

Answer 40

Bone marrow and thymus

Question 41

Where immature lymphocytes differentiate ?

Answer 41

Primary lymphoid organs

Question 42

Immature lymphocytes differentiate into ____.

Answer 42

Antigen sensitive lymphocytes

Question 43

Which are the secondary lymphoid organs ?

Answer 43

Spleen Lymph nodes Tonsils Peyer's patches Appendix

Question 44

Where all blood cells produced?

Answer 44

Bone marrow

Question 45

Which lymphoid organ reduces its size according to growth ?

Answer 45

Thymus

Question 46

What is the shape of spleen?

Answer 46

Large bean shape

Question 47

How does Spleen act as a filter ?

Answer 47

By traping blood borne micro organisms

Question 48

What is MALT ?

Answer 48

Lymphoid tissues located within the lining of major tracts (res,Dig, urogenital )

Question 49

Where 50 per cent of lymphoid tissue found?

Answer 49

Mucousa associated lymphoid tissue [MALT]