How do birth control pills prevent pregnancy?
a. they keep a woman's ovaries from releasing eggs so that the sperm cannot bond with them to start a pregnancy.
b. they suppress the creation of viable sperm so the sperm cannot bond with an egg to start a pregnancy.
c. they control a woman's menstrual cycle so that she knows to abstain from sexual activity during fertile times.

When creating a plan for the use of space in an early childhood educational setting, it is best to plan for clear passageways throughout the classroom. design only small, cozy spaces so that children feel safe. keep check-in and check-out areas outside the room. thoroughly conceal the toilet and hand-washing area for privacy.

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu

Why there must be community participation in primary health care