Which of the following is (are) true regarding type III hypersensitivity reactions? Select all that apply.
a. They involve IgG
b. They involve IgM
c. They are considered delayed reactions
d. They include autoimmune disorders like multiple sclerosis
e. They are rare compared with type I reactions

Which antibodies will be found naturally in the serum of a person with blood type A, Rh⁺?

a. Anti A, anti B, anti Rh

b. Anti A, anti Rh

c. Anti A

d. Anti B, anti Rh

e. Anti B

In which of the following scenarios would administering immunoglobulins be useful? Select all that apply.

a. To neutralize a toxin

b. To aid a patient who is immune compromised

c. After venom exposure

d. To block IgM from crossing the placenta

e. To protect a premature infant from respiratory syncytial virus

T helper cells activate B cells to become ________________, which make ________________.

Label the indicated parts of the antibody.

Which of the following would be recommended as a means to diagnose a type I sensitivity? Select all that apply.

a. Skin prick test

b. IgG titers

c. IgM titers

d. IgE titers

e. Histamine levels

Antibodies function to:

a. Directly destroy foreign organ grafts

b. Mark invading organisms for destruction

c. Kill intracellular viruses

d. Directly promote cytokine synthesis

e. Stimulate T cell growth

Label the parts of the immunoglobulin pictured here.

a. ________

b. ________

c. ________

d. ________

e. ________

f. ________

g. ________

h. ________

Monoclonal antibodies:

a. Are produced by hybridomas

b. Are secreted by clone cells

c. Can be used for passive immunization

d. All of the above