Chapter 15

Question 1

immunoglobulin class that has a dimer form found in mucus, saliva, colostrum, and other body secretions is

Answer 1

IgA.

Question 2

immunoglobulin class that is the only one capable of crossing the placenta

Answer 2

IgG

Question 3

immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells

Answer 3

IgE

Question 4

Is IgM a dimer?

Answer 4

NO

Question 5

immunoglobulin class/es can fix complement

Answer 5

IgG and IgM

Question 6

immunoglobulin/s found on the surface of B-cells

Answer 6

IgD

Question 7

When antiserum is subjected to electrophoresis, the gamma globulin band contains mostly

Answer 7

IgG

Question 8

the primary response to an antigen, the first class of antibody to be secreted is

Answer 8

IgM

Question 9

secondary response to an antigen, the predominant antibody is

Answer 9

IgG

Question 10

antibody confers the most important specific local immunity to enteric, respiratory, and genitourinary pathogens?

Answer 10

IgA

Question 11

Edward Jenner’s work involved

Answer 11

immunization using a related, less pathogenic organism to give protection against a more pathogenic one

Question 12

Vaccina virus

Answer 12

Trojan Horse

Question 13

Which of the following is a special binding substance that enhances immugenicity and prolongs antigen retention at the injection site?

Answer 13

Adjuvant

Question 14

Which of the following is not true of attenuated vaccines

Answer 14

They can mutate back to a virulent strain