SM Immunology & Host-Microbe Interactions

Question 1

Which immune cell is primarily responsible for producing antibodies?

Accepted Answer

B cells

Answer

Macrophages

Answer

T cells

Answer

Neutrophils

Question 2

Which class of immunoglobulin is the first to be produced in response to an infection?

Accepted Answer

IgM

Answer

IgA

Answer

IgG

Answer

IgE

Question 3

What is the function of the complement system in immunity?

Accepted Answer

Enhances pathogen clearance

Answer

Suppresses immune response

Answer

Prevents antigen presentation

Answer

Inhibits B cell activation

Question 4

Which type of immunity results from vaccination?

Accepted Answer

Active immunity

Answer

Passive immunity

Answer

Innate immunity

Answer

Artificial immunity

Question 5

Which microorganism is capable of evading the immune system by antigenic variation?

Accepted Answer

Influenza virus

Answer

Escherichia coli

Answer

Staphylococcus aureus

Answer

Mycobacterium tuberculosis

Question 6

What is the role of macrophages in host defense?

Accepted Answer

Engulf and present antigens

Answer

Produce antibodies

Answer

Directly kill viruses

Answer

Suppress T cell activity