UNIT 8: HOST DEFENSE MECHANISMS

Question 1

This 2nd line of defence intensifies effect of interferons of body reactions to speed up repair

Answer 1

fever

Question 2

Inhibits cell wall synthesis

Answer 2

antimicrobial peptides

Question 3

what do iron binding proteins do

Answer 3

inhibit growth of bacteria

Question 4

what are the 2 mechanisms of 3rd line of defence

Answer 4

Humoral antibody mediated and cell mediated

Question 5

2 monomers

Answer 5

IgA

Question 6

present in blood, body secretions, ears, saliva, respiratory ad intestinal tracts, and breast milk

Answer 6

igA

Question 7

low concentrations, monomer

Answer 7

igD

Question 8

found when allergies are present and immediate hypersensitivity occurs, monomer

Answer 8

igE

Question 9

monomer, gamma globulin

Answer 9

IgG

Question 10

LARGEST immunoglobulin, pentamer, 5 unites

Answer 10

igM

Question 11

percentage of igM crculating in blood

Answer 11

5-10%

Question 12

percentage of igG circulating in blood

Answer 12

80%

Question 13

characteristics of neutrophils

Answer 13

found in blood, found in extracellular ct, go from capillaries to injured area, 65% of wc

Question 14

haptens

Answer 14

simple molecules that are not antigenic until combined with carrier molecule (i.e. penicillin molecule, combination can initiate immune respone)