IMMUNE SYSTEM QUIZ

Polymorphonuclear leukocytes (or PMNs)

are derived from bone marrow stem cells

can be attracted to the site of an infection following activation of complement

are a type of phagocyte that can engulf and kill bacteria

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysozyme is present in

saliva

Cerebro spinal fluid (CSF)

sweat

urine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following expresses CD3 surface antigen?

B cells

T cells

Monocytes

Granulocytes

TRUE ANSWER : ?
YOUR ANSWER : ?

Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on

chromosome 6 in man, chromosone 21 in mice

chromosome 17in man, chromosome 6 in mice

chromosome 21 in man, chromosome 6 in mice

chromosome 6 in man, chromosome 17 in mice

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemically an antigen may be

lipid

any of these

protein

polysaccharide

TRUE ANSWER : ?
YOUR ANSWER : ?

Treatment with bacterial endotoxins results blast formation in

B cells

monocytes

none of these

T cells

TRUE ANSWER : ?
YOUR ANSWER : ?

Immunity is not long lasting to

diphtheria

whooping cough

mumps

influenza

TRUE ANSWER : ?
YOUR ANSWER : ?

CD8 surface antigen is present in

suppresssor T cells

both (a) and (b)

none of these

cytotoxic T cells

TRUE ANSWER : ?
YOUR ANSWER : ?

Following are the defenses of the colon except

fast flow rate

dense resident microbiota

sIgA

mucus

TRUE ANSWER : ?
YOUR ANSWER : ?

Cytotoxic T-cells can be recognized by which of the following cell surface marker?

CD9

CD4

CD8

CD7

TRUE ANSWER : ?
YOUR ANSWER : ?

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