Immune System

Which of the following is an example of natural active immunity? A. Being given an attenuated form of a virus B. Acquiring the flu from work or school C. Breast feeding D. Flu vaccine

B. Acquiring the flu from work or school

Gamma globulin shots given to traveller's visiting foreign countries, where new diseases may be encountered, is a type of: A. artificial active immunity. B. natural active immunity. C. artificial passive immunity. D. natural passive immunity.

C. artificial passive immunity.

The specific immune system uses which of the following methods to combat invading pathogens. (Select all that apply) A. Cellular immunity B. Antibody-mediated immunity C. Innate immunity D. Cell-mediated immunity E. Humoral immunity

A. Cellular immunity, B. Antibody-mediated immunity, E. Humoral immunity, D. Cell-mediated immunity

Which antibody is responsible for immediate allergic reactions? A. IgE B. IgM C. IgG D. IgD

A. IgE

Which is the most common type of antibody? A. IgG B. IgE C. IgA D. IgD

A. IgG

Perforin molecules create pores in the cell membrane of a virally infected body cell, allowing salts and water into the cell, causing it to swell and burst. A. True B. False

A. True

T cells must have an antigen presented to them. A. True B. False

A. True

In general, lymphocytes associated with specific immunity perform which of the following functions? A. Remember certain pathogens to react more quickly on subsequent encounters (infections). B. All the above C. Distinguish self from non-self D. Specifically target antigens

B. All the above

Immunoglobulin, IgA, binds antigens that stimulate B cell activation. A. True B. False

B. False

Which of the following is not true of natural killer cells? A. They function as a natural cancer screen B. They are a part of the specific immune system C. They are part of the innate immune system D. They remove all infected cells in exactly the same way

B. They are a part of the specific immune system

Which of the following is true of cytokines? (Select all that apply) A. They are secreted by plasma B cells during an immune response B. They stimulate cytotoxic T cells to divide C. They are chemical signals D. They are proteins E. They are secreted by helper T cells during an immune response

B. They stimulate cytotoxic T cells to divide, D. They are proteins, E. They are secreted by helper T cells during an immune response, C. They are chemical signals

Which of the following is true of autoimmunity? A. Autoimmune disease occur more often in women than men. B. Autoimmune diseases have different effects depending on the tissues being attacked C. All the above D. Occurs when the immune system mistakenly attacks the body's own cells, tissues, and organs

C. All the above

What is the function of cytotoxic T cells? A. Kill cancer cells B. Produce antibodies against your own cells C. Kill virally-infected cells D. Present antigens to helper T cells

C. Kill virally-infected cells

Which immunoglobulin is the first released in any immune response, causing infected or foreign cells to agglutinate when it binds to them? A. IgG B. IgD C. IgA D. IgM

D. IgM

Breast feeding is an example of: A. artificial active immunity. B. natural active immunity. C. artificial passive immunity. D. natural passive immunity.

D. natural passive immunity.