Activities Quiz

Chapter 43: The Immune System

Activities Quiz

1 .

Which of these cells is a phagocytic leukocyte that can engulf a foreign bacterium? (Activity: Immune Responses)

B cell

cytotoxic T cell

plasma cell

helper T cell

macrophage

2 .

_____ interact with the antigen-class II MHC complex presented by macrophages. (Activity: Immune Responses)

B cells

Bacterial cells

Helper T cells

Epithelial cells

Cytotoxic T cells

3 .

B cells that have been stimulated by interleukin-2 develop into _____. (Activity: Immune Responses)

macrophages

helper T cells

cytotoxic T cells

antigens

plasma cells

4 .

The role of cytotoxic T cells is the secretion of _____, which plays a role in the _____ immune response. (Activity: Immune Responses)

antibodies ... antibody-mediated

antibodies ... humoral

perforin ... cell-mediated

perforin ... humoral

interleukin-2 ... humoral

5 .

Clonal selection is the division of _____ that have been stimulated by binding to an antigen, which results in the production of cloned _____. (Activity: Immune Responses)

helper T cells ... plasma cells

B cells ... plasma cells and memory cells

T cells ... B cells

B cells ... macrophages

macrophages ... B cells and T cells

6 .

Which of these cells is responsible for the rapidity of the secondary immune response? (Activity: Immune Responses)

memory cells

cytotoxic T cells

macrophages

cytokines

plasma cells

7 .

Which of these cells produce and secrete antibodies? (Activity: Immune Responses)

macrophages

cytotoxic T cells

helper T cells

bacterial cells

plasma cells

8 .

The genetic material of HIV consists of _____. (Activity: HIV Reproductive Cycle)

single-stranded DNA

single-stranded RNA

double-stranded DNA

double-stranded RNA

none of the above

9 .

Which of these binds to receptor molecules on the host cell membrane? (Activity: HIV Reproductive Cycle)

A

B

C

D

E

10 .

What is the function of reverse transcriptase? (Activity: HIV Reproductive Cycle)

catalyzing the formation of a polypeptide from a RNA template

catalyzing the formation of DNA from a polypeptide template

catalyzing the formation of RNA from a polypeptide template

catalyzing the formation of RNA from a DNA template

catalyzing the formation of DNA from a RNA template

11 .

What is the source of a viral envelope? (Activity: HIV Reproductive Cycle)

host cell DNA

prophages

provirus

host cell membrane

viral glycoproteins

12 .

Which of these is reverse transcriptase? (Activity: HIV Reproductive Cycle)

A

B

C

D

E

13 .

Which of these is the viral genome? (Activity: HIV Reproductive Cycle)

A

B

C

D

E

14 .

Click on the diagram to start the animation. What enzyme is responsible for the process seen here? (Activity: HIV Reproductive Cycle)

RNA polymerase

DNA polymerase

reverse transcriptase

endonuclease

DNA ligase

15 .

Double-stranded viral DNA is incorporated into a host cell as a _____. (Activity: HIV Reproductive Cycle)

promoter

provirus

transposon

lac

homeoboxes