Oral contraceptives often contain synthetic estrogens and progesterone for 21 days, and then placebo pills that do not have hormones for days 22-28. Why would this prevent pregnancy? Do such pills prevent ovulation? Do they prevent menstruation? Explain.

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.

Match the vocabulary terms to the correct definition. 1. branch of u.s. department of human services that works to improve the emotional and mental lives of families and communities; may include social workers, community managers and planners, therapists and corrective treatment specialists, and educators and child care workers quality-of-life indicators 2. infrastructure used to reduce health-care related expenses and increase the affordability of health care and insurance; increases the need for coordination among health care providers managed health-care system 3. federal healthcare insurance that provides medical, psychological, therapy, or social work services to the disadvantaged (medicaid) or the elderly (medicare) medicaid or medicare 4. measurements of the well-being of an individual, community, or larger population; includes physical, mental, emotional, and social health as well as other factors such as safety and opportunity for intellectual growth and challenges family and community services

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?