Which of the following activities are most closely associated with natural killer cells?
a. production of TNF-alpha
b. lysis of virus-infected cells
c. phagocytosis of bacteria
d. release of reactive oxygen intermediates
e. production of IFN-gamma.
B,E
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Which of the following is the most important standard precaution?
A) Wash your hands. B) Wear gloves. C) Wear a nonpermeable gown or apron. D) Wear a mask and protective eyewear.
Between ages 19-39 the risks of death can be reduced primarily by
A. lowering cholesterol levels. B. living safely. C. frequent attention from medical professionals. D. exercise.
An immune response to a drug that may be of varying degrees is ______.
a. tolerance b. dependence c. anaphylactic reaction d. hypersensitivity
Thinking back over the past week, consider your encounters with marketing and advertising efforts by tobacco companies. Describe at least two of these instances and how you responded to them. If you are a tobacco user, did you have the urge to use?
What will be an ideal response?