Free APMLE Immunology Questions and Answers

Question 1

Which immune cells are primarily responsible for producing antibodies?

Accepted Answer

B cells

Answer

T cells

Answer

Natural killer cells

Answer

Macrophages

Question 2

Which class of immunoglobulin is the first to be produced during an initial immune response?

Accepted Answer

IgM

Answer

IgA

Answer

IgG

Answer

IgE

Question 3

What is the primary function of the major histocompatibility complex (MHC)?

Accepted Answer

Present antigens to T cells

Answer

Produce cytokines

Answer

Activate B cells

Answer

Neutralize toxins

Question 4

Which type of hypersensitivity reaction is mediated by IgE?

Accepted Answer

Type I

Answer

Type II

Answer

Type III

Answer

Type IV

Question 5

What is the role of cytokines in the immune system?

Accepted Answer

Facilitate communication between immune cells

Answer

Neutralize bacterial toxins

Answer

Present antigens to T cells

Answer

Destroy infected host cells