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T-Cell Dependent Antigens (Quiz 2)

Why is it important to produce cultures that produce just a single antibody? The blood of a human or other vertebrate contains many different kinds of antibodies that will react with a great number of different antigens. Antibodies can be very useful in treating specific diseases that may not respond will to traditional drugs. However unnecessary antibodies could cause damage. Antibodies are an important component of distinguishing self from non-self. If someone has a large number of foreign antibodies injected into them then those antibodies may treat components of the body as antigens. For this reason when antibodies are used they are used in pure clonal form.

View the animation below, then complete the quiz to test your knowledge of the concept.

1Which of the following are needed for antibody production to occur with T cell dependent antigens?
A)antigen presenting cell
B)T helper cell
C)B cell
D)b and c
E)a, b, and c

2An antigen presenting cell presents antigen to a T helper cell
A)inside a vesicle
B)on its surface on a class I MHC
C)on its surface on a class II MHC
D)on its surface attached to an antibody

3A T helper cell becomes activated by a
A)plasma cell
B)antigen presenting cell
C)B cell
D)memory cell

4A T helper cell must become activated before it can stimulate a B cell to produce antibody.

5Protein is usually a T-cell dependent antigen.

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