NAME IT The Fc region of this protein causes degranulation when it binds to basophils.

Which types of white blood cells are most likely to be involved in type I hypersensitivities? Select all that apply.

a. T helper cells

b. T cytotoxic cells

c. Basophils

d. Macrophages

e. Mast cells

Which of the following is (are) true regarding primary

immunodeficiencies? Select all that apply. (NCLEX/HESI/TEAS)

a. These disorders tend to be present from birth.

b. These disorders are also called congenital immunodeficiencies.

c. These disorders are more common in elderly patients.

d. Patients with these disorders may not have a familial history of immunodeficiencies.

e. Patients with these disorders tend to experience recurring, persistent, and severe infections, often caused by uncommon agents.

Why might pathogenic 'remains' released from a phagocytic cell be dangerous to the surrounding cells?

Overall our immune system protects us from foreign invaders and pathogens. Which of the following are ways in which our immune system inadvertently damages our body?

Desensitization to prevent an allergic response can be accomplished by injecting small, repeated doses of

a. IgE antibodies.

b. the antigen (allergen).

c. histamine.

d. IgG antibodies.

e. antihistamine.

What does pluripotent mean?

a. ability of a single cell to develop into an embryonic or adult stem cell

b. ability of a stem cell to develop into many different cell types

c. a cell without MHC I and MHC II antigens

d. ability of a single stem cell to heal different types of diseases

e. ability of an adult cell to become a stem cell

Cytotoxic autoimmunity differs from immune complex autoimmunity in that cytotoxic reactions

a. involve antibodies.

b. do not involve complement.

c. are caused by T cells.

d. do not involve IgE antibodies.

e. none of the above

Which of the following is not the cause of a natural immunodeficiency?

a. a recessive gene resulting in lack of a thymus gland

b. a recessive gene resulting in few B cells

c. HIV infection

d. immunosuppressant drugs

e. All of the above are causes of natural immunodeficiency.