Chapter 17

45 terms by jlmclamore 

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

Adaptive Immunity: Specific Defenses of the Host

What type of immunity results from vaccination?

Artificially acquired active immunity

What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection?

Artificially acquired passive immunity

What type of immunity results from recovery from mumps?

Naturally acquired active immunity

A human's resistance to canine distemper is an example of

Innate immunity

Newborns' immunity due to the transfer of antibodies across the placenta is an example of

Naturally acquired passive immunity

What type of immunity is NOT due to antibodies?

Innate immunity

What type of immunity results from an injection of tetanus toxoid?

Artificially acquired active immunity

Immunity due to injection of an antigen is an example of

Artificially acquired active immunity

CD4+ T cells are activated by

CD4+ and MHC II

Which of the following recognizes antigens displayed on host cells with MHC II

TH cell

The specificity of an antibody is due to

The variable portions of the H and L chains

Which of the following is NOT a characteristic of B cells?

They recognize antigens associated with MHC I

Which of the following is NOT a characteristic of cellular immunity?

B cells make antibodies

Plasma cells are activated by a(n)

Antigen

The antibodies found in mucous, saliva, and tears are

IgA

The antibodies found on B cells are

IgD

The antibodies that can bind large parasites are

IgE

In addition to IgG, the antibodies that can fix complement are

IgM

Large antibodies that agglutinate antigens are

IgM

The most abundant class of antibodies in serum

IgG

In Figure 17.1, which letter on the graph indicates the patient's secondary response to an antigen?

C
The second increase on the first antibody titer

In Figure 17.1, which letter on the graph indicates the patient's response to a second antigen?

E
The stretch of time indicated on the second antibody titer

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

Exposure to a new antigen

Which statement is false?
A. The variable region of a heavy chain binds with antigen
B. The variable region of a light chain binds with antigen
C. The Fc region attaches to a host cell
D. The constant region of a heavy chain is the same for all antibodies
E. All of the above statements are true

The constant region of a heavy chain is the same for all antibodies

The best definition of antigen is

A chemical that elicits an antibody response and can combine with these antibodies

The best definition of antibody is

A protein made in response to an antigen that can combine with that antigen

The following events elicit an antibody response. What is the third step?

TH cell recognizes antigen-digest and MHC II

In Figure 17.2, which areas are similar for all IgG antibodies?

c and d
The parallel verticle lines

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

a and b
The parallel diagonal lines on the left

In Figure 17.2, which areas represent antigen-binding sites?

a and b
The parallel diagonal lines on the left

In Figure 17.2, what can attach to a host cell?

e
The length of c the verticle line on the left

Figure 17.2 could be any of the following EXCEPT

IgM

The presence of which of the following indicates a current infection rather than a previous infection or vaccination?

IgM

Which of the following destroys virus-infected cells?

CTL

The following events occur in cellular immunity. What is the third step?

TH cells proliferate

Cytokines released by TH1 cells

Activate CD8+ cells to CTLs

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

Perforin

Patients with an inherited type of colon cancer called familial adenomatous polyposis have a mutation in the gene that codes for

Apoptosis

Thymic selection

Destroys T cells that don't recognize self-molecules of MHC

Which of the following statements about natural killer cells is false?

They are stimulated by an antigen

An antibody's Fc region can be bound by

Macrophages

A Treg cell deficiency could result in

Autoimmunity

Cell death caused by perforin and granzymes is caused by

CTLs

IL-2, produced by TH cells

Stimulates TH cell maturation

Which of the following statements about IL-12 is false?

It causes autoimmune diseases

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set