Micro Ch.16 Quiz

________ immunity is the vertebrate's ability to recognize and then mount a defense against specific invaders and their products.

Adaptive

Which of the following are examples of specific immune response in humans? Adaptive immunity cells activate cytotoxic T cells in response to presence of antigens. Adaptive immunity cells produce antibodies in response to presence of pathogens. Adaptive immunity cells secrete antigens in response to presence of antibodies. Adaptive immunity cells produce antibodies because of fear.

Adaptive immunity cells activate cytotoxic T cells in response to presence of antigens. Adaptive immunity cells produce antibodies in response to presence of pathogens.

What lymphocytes transform into antibody-producing cells?

B lymphocytes only

Why are antibodies called immunoglobulins? Because they are involved in specific immune responses. Because there are two antigenic sites. Because they are globular proteins. Because its shape is like a letter Y.

Because they are involved in specific immune responses. Because they are globular proteins.

After exogenous antigens are broken into smaller pieces, the epitopes are bound in what MHC protein and in what cell organelle?

Class II MHC, endoplasmic reticulum

Which of the following antibodies is transferred to newborns through the mother's breast milk? Your answer is a three-letter word such as IgD.

IgA

What antibody is the most common and longest lasting class of antibody in the blood?

IgG

Which of the following statements describe an antibody molecule? It is composed of proteins or polypeptides. It can be a monomer or dimer or pentamer. It is composed of two heavy chains and two light chains. The polypeptide chains are held by hydrogen bonds.

It is composed of proteins or polypeptides. It can be a monomer or dimer or pentamer. It is composed of two heavy chains and two light chains.

How is a secondary immune response different from a primary immune response?

It is faster and more effective.

Cells of adaptive immunity activate only in response to specific pathogens. This description is what attribute of adaptive immunity. It is a one-word answer and spelling matters.

Specifity

What it means if an antibody molecule is described as bivalent?

The antibody has two antigenic sites.

Which of the following statements are true about antibodies? They are soluble proteins found in the blood. They are involved in an immune response. They are secreted by the T helper cells. They react on any antigens that invaded the body.

They are soluble proteins found in the blood. They are involved in an immune response.

Sammy, when he was six years old was sick with chickenpox. Today, at age 10, he is playing with a friend with chicken pox. Will Sammy be protected from chicken pox?

Yes, Sammy got active immunity after recovery from chicken pox and active immunity does have memory.

Preventing the attachment of the toxin to host cells is which function of the antibody? It is a one-word answer and spelling matters.

agglutination

A physician wants to stimulate immunological memory in a patient. Which of the following types of immunity would be the most useful?

artificially acquired active immunity

Class I MHC binds ________ antigens and present them to ________.

endogenous ; T cells

Cellular mediated immunity is responsible for ________ antigens and humoral immunity is responsible for ________ antigens.

endogenous; exogenous

An adaptive immune response is able to generate faster and more effective responses in subsequent encounters with a particular pathogen or toxin. This description is what attribute of adaptive immunity. It is a one-word answer and spelling matters.

memory

An antibody can pass through the placenta of the mother to the baby. What immunity is acquired by the baby?

naturally acquired passive immunity

Babies that are fed formula instead of being breastfed partially lack which of the following types of immunity?

naturally acquired passive immunity

Cytotoxic T cells kill their target by the ________ pathway

perforin-granzyme and CD95

The stimulation of B cells to divide and mature is provided by ________.

plasma cells

Which of the following is an endogenous antigen?

protein produced during viral replication in host cell

After endogenous antigens are broken down, they are transported to the ________ and then the MHC-antigen complex is transported to the ________.

rough ER ; golgi apparatus