microbiology exam 4

Question 1

list and explain the innate immune system response such as 1 2 3 line of defense

Answer 1

first line defense- prevent microbial entry- that is skin and mucous membranes and antimicrobial substances

Detect damage and microbial invasion - pattern recognition receptors and complement system

Innate effector actions- eliminate invador- phagocytosis
complement activation
interferon response
fever

Question 2

what are the Activated complement proteins play a part in eliminating microbial invaders from a host. They belong to the group of non-specific immune responses.

Answer 2

phagocytosis
inflammation
fever
interferon

Question 3

What does the complement system made up of

Answer 3

The complement system is made up of proteins found in the bloodstream.

Question 4

where does the complement system components react

Answer 4

in a cascade

Question 5

where are complement proteins found

Answer 5

the serum

Question 6

How is the classical complement pathway is activated?

Answer 6

When C1 binds to the antifgen- antibody complex

Question 7

What does C3 convertase cleaves C3 into

Answer 7

C3a and C3b

Question 8

what is the purpose of C3b

Answer 8

C3b binds to the surface of microorganisms and phagocyte receptors