FREE CMT Immunology & Serology Questions and Answers

Question 1

Which immunoglobulin is primarily involved in allergic reactions?

Accepted Answer

IgE

Answer

IgG

Answer

IgM

Answer

IgA

Question 2

What is the first antibody produced in a primary immune response?

Accepted Answer

IgM

Answer

IgA

Answer

IgE

Answer

IgG

Question 3

Which test is commonly used to detect antibodies to HIV?

Accepted Answer

ELISA

Answer

Western blot

Answer

PCR

Answer

RIA

Question 4

What is the primary function of T-helper cells?

Accepted Answer

Activate B cells and immune cells

Answer

Produce antibodies

Answer

Kill infected cells

Answer

Suppress immunity

Question 5

Which complement pathway is activated by antigen-antibody complexes?

Accepted Answer

Classical

Answer

Alternative

Answer

Lectin

Answer

Non-classical

Question 6

Which serological test is used to detect syphilis?

Accepted Answer

RPR

Answer

ANA

Answer

CRP

Answer

HCV

Question 7

What is the role of memory B cells?

Accepted Answer

Provide long-term immunity

Answer

Suppress immune response

Answer

Attack viruses directly

Answer

Store immunoglobulins

Question 8

Which immunoglobulin can cross the placenta?

Accepted Answer

IgG

Answer

IgM

Answer

IgA

Answer

IgD

Question 9

Which autoimmune disorder is associated with anti-nuclear antibodies (ANA)?

Accepted Answer

Systemic lupus erythematosus

Answer

Rheumatoid arthritis

Answer

Diabetes mellitus

Answer

Graves’ disease