Which of these contraceptive methods on its own is least likely to prevent pregnancy? a. douching after sex b. abstaining from sexual activity c. properly using oral contraceptives d. properly using a condom

Which challenges do countries face in limiting the spread of communicable diseases? check all that apply. 1. lack of vaccinations 2. lack of healthy food available 3. increase of worldwide travel 4. decrease of available clean water 5. increase in migration of infected animals

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Sarah’s friend had been binge drinking and was intoxicated. sarah immediately called 9-1-1, and then sarah tried to keep her friend awake and her sit up.