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

Anatomy & Physiology

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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.

Anatomy & Physiology

The cervical region is commonly referred to as the ________

A) neck B) hand C) shoulder D) arm

Anatomy & Physiology

Food labels are required by law to include the amount of cholesterol in each serving

Indicate whether this statement is true or false.

Anatomy & Physiology

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

Anatomy & Physiology