Which statements about aging and population are accurate?
select all that apply.
__life expectancies at birth and at age 65 have risen dramatically over the last century.
__male babies have a longer life expectancy than female babies born in 2005.
__blacks have the same life expectancy as all other races.
__the median age of the u. s. population is increasing.
__older adults are expected to compose 20% of the population by 2050.

The term "jim crow" is used to describe which of these? a) bans on hunting b) segregation of the races c) preventing women from voting d) creating more public schools

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population.the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors.the new research would need full review by a convened irb because children are a protected population.unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.

Is it true the ancient egyptians created a calendar that had 10 days in a week