Antigen Qs 1-10

Question 1

The ability of an antigen to induce an immune response does NOT depend on the antigen’s:

Answer 1

Ability to enter the thyroid.

Question 2

Alum is an effective adjuvant because it:

Answer 2

Slows the release of antigen.

Question 3

Antibody cross-reactivity is demonstrated by antibody binding to:

Answer 3

an antigen that is structurally similar to the immunogen.

Question 4

The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is therefore:

Answer 4

both an antigen and a hapten.

Question 5

Antigen entering the body in a subcutaneous injection activates its specific lymphocytes in the:

Answer 5

Draining lymph nodes.

Question 6

To detect a humoral immune response to influenza virus, you would measure:

Answer 6

Serum Antibody titre.

Question 7

During the lag period between antigen contact and detection of adaptive immunity:

Answer 7

Innate immune effectors are eliminating antigen.

Question 8

To elicit the best antibodies to mouse MHC 1, you should inject it into:

Answer 8

A goat

Question 9

For specific antigen recognition bt T cells:

Answer 9

denaturation of antigen does not reduce epitope recognition.

Question 10

The immune response to a booster vaccine is called a:

Answer 10

secondary response.