What distinguishes cytotoxic T cells from other T lymphocytes?
A. Their role in cell-mediated immunity, rather than humoral immunity
B. Their site of differentiation
C. Their ability to destroy a normal cell that is infected with a pathogen
D. Their ability to stimulate the production of the T lymphocytes, as well as B lymphocytes
Answer: C
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Indicate whether this statement is true or false.
The secondary or memory response
A. occurs after the primary response has activated NK cells. B. does not protect the body after the first exposure. C. provides better protection than the primary response. D. is less effective in antibody production. E. produces different antibodies than those produced in the primary immune response.
The cervical region is commonly referred to as the ________
A) neck B) hand C) shoulder D) arm
The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart
A) left atrium B) left ventricle C) right atrium D) right ventricle