Immune system MCQs
Immune system MCQs
Answer these Immune system MCQs and see how sharp is your knowledge of Immune system. Scroll down and let's start!
1: White blood cells and ____ carry out innate immune responses
A. Defensive proteins
B. Red blood cells
C. Platelets
D. Plasma
2: _____ are the cells of the innate immune system that digest cellular debris and pathogens.
A. Macrophages
B. Monocyte
C. Neutrophils
D. Mast cells
3: When the body is attacked by a foreign substance, the _____ defenses are the first to react.
A. Macrophages
B. Dendritic Cells
C. White Blood Cells
D. Lymphocytes
4: Stress suppresses the immune response through the action of __________.
A. Glucocorticoids
B. Antibodies
C. Lympedema
5: _____ are leukocytes that provide immunological defenses against many infectious organisms.
A. Monocytes
B. Dendritic cells.
C. ​Phagocytes
D. ​Cytokines
6: The _____ system of blood proteins acts to lyse foreign cells and viruses.
A. Complement
B. Disease
C. White blood cells
D. Influenza
7: The body's ability to resist pathogens and disease is called ____.
A. Immunity
B. Disease
C. White blood cells
D. Influenza
8: The cells responsible for humoral immunity are the ________ cells.
A. NK
B. B
C. Helper T
D. Cytotoxic T
E. Suppressor T
9: Click on the cell to start the animation. this plant cell is _____.
A. In an isotonic solution
B. Hypertonic solution
C. Losing water
D. In a hypotonic solution
E. Lysing
10: The phagocytic antigen-presenting cells belong to the ________ group.
A. Monocyte-macrophage
B. In an isotonic solution
C. Hypertonic solution
D. Losing water
E. In a hypotonic solution
11: B cells interacting with helper t cells are stimulated to differentiate when _____.
A. B cells produce IgE antibodies
B. B cells release cytokines
C. Cytotoxic T cells present the class II MHC molecule-antigen complex on their surface
D. Helper T cells release cytokines
12: Interferons ________
A. Interfere with viral replication within cells
B. Are routinely used in nasal sprays for the common cold
C. Act by increasing the rate of cell division
D. Are virus-specific, so that an interferon produced against one virus could not protect cells
E. Against another virus
13: _____ interact with the antigen-class ii mhc complex presented by macrophages.
A. Helper T cells
B. Plasma cells
C. B cells
D. Memory cells
14: Activated cd8 t cells become __________.
A. Cytotoxic T cells.
B. Helper T cells
C. Plasma cells
D. B cells
E. Memory cells
15: An antigen _____.
A. Is a protein molecule that helps defend the body against disease
B. Is a foreign molecule that evokes a specific response by a lymphocyte
C. Induces development of white blood cells in the bone marrow
D. Is a protein attacked by an invading microorganism
E. Could be an invading bacterium
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Immune system MCQs
