Specific Immunity: Third Line of Defense

Question 1

Define immunocompetence

Answer 1

it is the ability to react to countless foreign substances
for ex) if you have a functioning immune system and something invades and your B and T cells respond-> you are immunocompetant

Question 2

T/F you are born with specific immunity

Answer 2

False: third line of defense is acquired, we are not born with this, we are exposed to this

Question 3

define antigen (immunogen)

Answer 3

antigen: molecules that stimulate B and T cells response (antibody generating)

Question 4

what is the difference between antigens and pathogen associated molecular patterns?

Answer 4

pathogen associated molecular patterns are very generic
For example: Lippopolysaccharides, peptidoglycan and double stranded RNA. This is stuff all bacteria/viruses have
However antigens are very specific to a certain organism.
For example: E. Coli has particular antigens

Question 5

what are the 2 key components of the third line of defense?

Answer 5

specificity and memory