Exam 17: Adaptive Immunity: Specific Defenses of the Host

Which of the following is the best definition of antigen?

Apoptosis results in significant leakage of cellular contents.

The antibodies found almost entirely and only on the surface of B cells (not secreted from them),and which always exist as monomers,are

The antibodies found in mucus,saliva,and tears are

Figure 17.1 -In Figure 17.1,which letter on the graph indicates the patient's secondary response to a repeated exposure with the identical antigen?

Which one of the following causes transmembrane channels in target cells?

Describe the production of antibodies using the clonal selection theory.

Which of the following statements about cytokines is FALSE?

When an antibody binds to a toxin,the resulting action is referred to as

Figure 17.1 -In Figure 17.1,the arrow at time (d)indicates

Plasma cells will eventually differentiate into memory cells.

The production of interferons at an infection site is critical for chemotaxis.

The antibodies that typically bind to large parasites are

Which of the following destroys virus-infected cells?

Which of the following are NOT lymphocytes?

What type of immunity results from recovery from mumps?

Can natural killer cells successfully perform duties without antibodies? Explain.

Figure 17.2 -In Figure 17.2,what portion will typically attach to a host cell?

Figure 17.2 -In Figure 17.2,which areas are different for all IgM antibodies?

When haptens attach to carrier molecules,an epitope forms on hapten which then can be bound to antibody.