A) PAMP's are molecules on a pathogen that can be recognized by the host organisms immune system.
B) PAMP's are molecules on a host cell that can be recognized by the pathogen's attack system.
C) PAMP's are molecules on the host immune system that cause it to attack itself as in autoimmune disorders.
D) PAMP's are molecules on a pathogen that can be recognized by other pathogens so they can exchange genetic material with each other.
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Multiple Choice
A) Monoclonal antibodies
B) Agglutination factors
C) Autoimmune agents
D) Immunosuppressant agents
E) Allergen antibodies
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Multiple Choice
A) helper T cells
B) cytotoxic T cells
C) suppressor T cells
D) memory T cells
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Multiple Choice
A) microbial pathogens
B) small pox virus
C) chicken pox
D) measles
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Multiple Choice
A) are soluble proteins that act as signaling molecules to stimulate white blood cells.
B) are secreted by macrophages to stimulate the replication of cancer cells.
C) repel neutrophils from the site of infection.
D) inhibit production of T and B cells.
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Essay
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True/False
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Multiple Choice
A) They function in antibody mediated immunity against bacteria.
B) They directly recognize antigens and undergo clonal selection.
C) They are manufactured and mature in the bone marrow.
D) All of the choices characterize B cells.
E) None of the choices characterize B cells.
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Multiple Choice
A) redness.
B) swelling.
C) pain.
D) lower temperature.
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Multiple Choice
A) cellular slime molds
B) B cells
C) archaea
D) planaria
E) viruses
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Multiple Choice
A) red bone marrow.
B) lymph nodes.
C) spleen.
D) thymus gland.
E) All of these produce B lymphocytes.
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Multiple Choice
A) double-stranded DNA
B) double-stranded RNA
C) carbohydrates on the cell walls of bacteria
D) lipids on the cell walls of bacteria
E) proteins on the cell wall of bacteria
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Multiple Choice
A) Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe.
B) A gradual allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe.
C) Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: an increase in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe.
D) Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, decreased dilation of the capillaries, constriction of the bronchi and the inability to breathe.
E) None of these are the symptoms of a person undergoing anaphylactic shock.
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Multiple Choice
A) absorbing excess tissue fluids and returning them to the bloodstream.
B) transporting gases, nutrients, and metabolic wastes to parts of the body which have exchange boundaries with the external environment.
C) production, maintenance, and distribution of lymphocytes.
D) defending the body against pathogens.
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Multiple Choice
A) bone marrow.
B) lymph nodes.
C) spleen.
D) thymus.
E) Peyer's patches.
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Multiple Choice
A) are part of the nonspecific response against disease.
B) stimulate lymphocytes to carry on specific immunity.
C) stimulate phagocytic neutrophils.
D) do none of these things.
E) are part of the nonspecific response against disease and stimulate phagocytic neutrophils.
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Multiple Choice
A) is due to the tissues being recognized as nonself, and therefore being treated as a foreign substance.
B) can be reduced if the organ donor is a close relative with very similar tissue proteins.
C) can be reduced by administering immunosuppressive drugs.
D) All of the choices are correct.
E) None of these are correct.
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