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.

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.

Which of the following is (are) true regarding type III hypersensitivity reactions? Select all that apply.

a. They involve IgG

b. They involve IgM

c. They are considered delayed reactions

d. They include autoimmune disorders like multiple sclerosis

e. They are rare compared with type I reactions

Which of the following is the most likely to lead to graft-versushost disease?

a. An allogeneic bone marrow transplant

b. An allogeneic liver transplant

c. A xenogeneic heart valve transplant

d. An isogenic bone marrow transplant

e. A xenogeneic skin graft

What is the general goal of treatments used for autoimmune disorders?

Imagine that one of your patients is an emergency medical technician who has a family history of autoimmune disorders and allergy, but she does not currently suffer from either. Which of the following is (are) most likely true of your patient? Select all that apply.

a. She is at an increased risk for cancer

b. She is at an increased risk for type I hypersensitivities

c. She is at an increased risk for type III hypersensitivities

d. She is at an increased risk for latex hypersensitivity

e. She is at an increased risk for immunosuppression