Why does hemolysis of red blood cells occur when a person receives a transfusion of the wrong type of blood?

A human host can prevent a pathogen from getting enough iron by all of the following except

a. reducing dietary intake of iron.

b. binding iron with transferrin.

c. binding iron with hemoglobin.

d. binding iron with ferritin.

e. binding iron with siderophores.

Patients with X-linked chronic granulomatous disease are susceptible to infections because their neutrophils don’t generate an oxidative burst. What is the relation of the oxidative burst to infection?

Label on the figure the following processes that result in phagocytosis: margination, diapedesis, adherence, and phagolysosome formation.

Give several examples of how microbes evade the complement system.

In 1884, Elie Metchnikoff observed cells collected around a splinter inserted in a sea star embryo. This was the discovery of

a. blood cells.

b. sea stars.

c. phagocytosis.

d. immunity.

e. none of the above

A decrease in the production of C3 would result in

a. increased susceptibility to infection.

b. increased numbers of white blood cells.

c. increased phagocytosis.

d. activation of C5 through C9.

e. none of the above