The generation of clonal diversity is:
A) the reaction of a lymphocyte to a specific antigen.
B) the development of natural immunity.
C) the ability of the population of lymphocytes to recognize any antigenic molecule.
D) the circulation of lymphocytes through the spleen.
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, C) the ability of the population of lymphocytes to recognize any antigenic
molecule.
A decrease in cell-mediated (T cell) immunity decreases at puberty because of:
A) decreases in bone marrow production of T cells.
B) atrophy of the thymus.
C) the diminishing effects of most childhood vaccines.
D) the inhibitory effects of sex hormones on T-cell function
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B) atrophy of the thymus.
Failure of the sodium/potassium pump during cellular injury results in cellular:
A) acidosis.
B) adaptation.
C) swelling.
D) dehydration.
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C) swelling.
Which of the following is not a function of antibodies?
A) Neutralizing bacterial toxins
B) Preventing viruses from entering tissue cells
, C) Direct cell killing through the release of toxic chemicals
D) Opsonizing foreign antigen
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C) Direct cell killing through the release of toxic chemicals
Cytotoxic T (Tc) cells can destroy infected or cancer cells by which of the following
mechanisms?
A) Producing toxins
B) Stimulating apoptosis
C) Producing antibodies
D) Both A and B
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D) Both A and B
Which process confers long-lasting immunity against a specific organism?
A) Production of memory cells
B) Activation of macrophages
C) Activation of cytotoxic T cells
D) Activation of the inflammatory response
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A) Production of memory cells
A) the reaction of a lymphocyte to a specific antigen.
B) the development of natural immunity.
C) the ability of the population of lymphocytes to recognize any antigenic molecule.
D) the circulation of lymphocytes through the spleen.
Give this one a try later!
, C) the ability of the population of lymphocytes to recognize any antigenic
molecule.
A decrease in cell-mediated (T cell) immunity decreases at puberty because of:
A) decreases in bone marrow production of T cells.
B) atrophy of the thymus.
C) the diminishing effects of most childhood vaccines.
D) the inhibitory effects of sex hormones on T-cell function
Give this one a try later!
B) atrophy of the thymus.
Failure of the sodium/potassium pump during cellular injury results in cellular:
A) acidosis.
B) adaptation.
C) swelling.
D) dehydration.
Give this one a try later!
C) swelling.
Which of the following is not a function of antibodies?
A) Neutralizing bacterial toxins
B) Preventing viruses from entering tissue cells
, C) Direct cell killing through the release of toxic chemicals
D) Opsonizing foreign antigen
Give this one a try later!
C) Direct cell killing through the release of toxic chemicals
Cytotoxic T (Tc) cells can destroy infected or cancer cells by which of the following
mechanisms?
A) Producing toxins
B) Stimulating apoptosis
C) Producing antibodies
D) Both A and B
Give this one a try later!
D) Both A and B
Which process confers long-lasting immunity against a specific organism?
A) Production of memory cells
B) Activation of macrophages
C) Activation of cytotoxic T cells
D) Activation of the inflammatory response
Give this one a try later!
A) Production of memory cells
