Active immunity
A) is self-generated upon exposure to antigen
B) can be produced only as a result of a person actually having the disease
C) involves administration of preformed antibodies
D) is shorter in duration than passive immunity
E) is acquired in the newborn as a result of the transfer of antibodies across the placenta during intrauterine development
Correct Answer:
Verified
Q49: The first human vaccination developed by Jenner
Q50: What type of immune defense cell is
Q51: A secondary response to an invading microorganism
Q52: Passive immunity is accomplished by transfer of
Q53: Which of the following is not accomplished
Q55: Cytotoxic T cells
A)are less numerous than helper
Q56: Which statement is incorrect?
A)Cytotoxic T cells release
Q57: Which statement does not apply to macrophages?
A)They
Q58: The antigen-binding fragments (Fab) of antibodies are
A)located
Q59: Lymphocytes respond to antigens that have been
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