21. The Immune System

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Neutrophils are a critical component of the response to a parasitic infection.

Complement activation

(a) Stimulates inflammation

(b) Attracts phagocytes

(c) Enhances phagocytosis

(d) Achieves a, b, and c

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Phagocytic cells of innate immunity include NK cells and basophils.

More than one choice may apply.

Which of the following are among the most common indicators of inflammation?

a. Phagocytosis

b. Edema

c. Leukocytosis

d. Pain

Which of the following functions is/are performed by complement proteins?

a. Cell lysis

b. Opsonization

c. Enhancing inflammation

d. Only a and b

e. All of the above

More than one choice may apply.

Chemical mediators of inflammation include

a. Interferon

b. Complement

c. Histamine

d. Antibodies

Complement activation promotes all of the following except:

a. Cell lysis

b. Inflammation

c. Opsonization

d. Interferon release

e. Chemotaxis of neutrophils and other cell

What is complement? Besides bacterial lysis, what are some of the roles of complement?

A scientist is analyzing the cells from a granuloma tissue sample. Which type of immune cell is the scientist least likely to find in this sample?