Week 1 & 2 MC Questions

Question 1

What is NOT a good immunogen?

Answer 1

Hapten

Question 2

True or false: If a patient’s blood test displays an antibody to an infectious agent, that indicates the patient is immune to the agent

Answer 2

False

• an immune response doesn’t always mean protection against the agent. E.g. a HIV patient will have antibodies but is still active and unprotected

Question 3

True or false: An anamnestic response refers to the first immune response to an infectious agent

Answer 3

False

• it refers to the increased immune response following a second exposure to an infectious agent

Question 4

True or false: CD8 T cells respond to antigen presentation from an APC to present the antigen with MHC II complex

Answer 4

False

• CD8 T cells respond to antigens presented from APC presenting MHC I molecules. While CD4 T cells respond to antigens presented with MHC II

Question 5

True or false: Large numbers of viable neutrophils are present with aggNets

Answer 5

False

• generally, very few viable neutrophils are present in the Net environment

Question 6

True or false: eosinophil nuclei can have up to 5 lobes

Answer 6

False

• they are bilobed

Question 7

M1 macrophages have:

Answer 7

Microbicidal and inflammatory functions

Question 8

M2 macrophages are associated with:

Answer 8

Tissue repair and suppressing inflammation

Question 9

True or false: IgE antibodies bind to the FCeRI receptor, which is specific for the Dab region of IgE

Answer 9

False

Question 10

True or false: NK cells have 2 types of receptors, termed inhibitory and activating receptors. The activating receptor is activated by MHC 1 molecules on a cell surface which leads to the NK cell being cytotoxic

Answer 10

False

• MHC 1 molecules that are present on all nucleated cells activate the NK inhibitory receptor