Immunology Quiz on Innate Immunity

This immunology quiz is designed to assess your basic knowledge in 'Innate immunity'. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'. Percentage score will be displayed along with right answers.

1. Innate immunity
These responses are not directed specifically to the infectious agent.
These responses are not affected by prior exposure to the agent.
These responses are operating constantly to prevent the establishment of any infection.
All of the above
2. Which of the following statement is correct about Macrophages
produce nitric oxide
are main immune cells for dealing with viruses
circulate in blood stream
are first lecukocytes to arrive at the site of a skin infection
3. Molecule directly involved in NK cell mediated killing include
complement
superoxide
granzyme A and B
None of these
4. Tears contain
IgG
IgA
Lysozyme
all of these
5. Dendritic cells are characterized by
their ability to release histamine
their interface between the innate and adaptive immune systems
expression of CD3
expression of IgM molecules
6. Which of the following is not an example of a nonspecific defense mechanism?
inflammation
mucous membrane
skin
antibodies or immunoglobulins.
7. Opsonins include
magainins
C9
IFNgamma
C3b
8. Phagocytosis
is important in bacterial infections
is a process that does not involve energy
is carried by cells of the adaptive immune system
results in division of the cell
9. Both basophils and mast cells
release histamine
are found primarily in lymph nodes
circulate in blood stream
are phagocytic
10. Pattern Recognition Receptors (PRR) include which of the following?
Unmethylated CpG sequences
Lipopolysaccharide (LPS)
Lectin like molecules
Pathogen Associated Molecular Patterns (PAMPs)
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