After one year of use, about people in 100 using the patch will have an unplanned pregnancy. The most effective contraceptive shown is the .
The least effective contraceptive shown on the chart is the .

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

Which term matches this definition? treating all human blood and other potentially infectious material, as if known to be infectious, for bloodborne pathogens. a. exposure control plan b. engineering controls c. universal precautions d. personal protective equipment

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.