Which dimension of the Big Five describes people who are careful and responsible in their actions?

Four-year-old Mary's parents rush into her bedroom when they hear her screaming in the night, but she appears to be sleeping normally when they get there. In the morning, they ask her if she had a bad dream, but she says she didn't. Mary is experiencing

a. sleep terrors. b. nightmares. c. REM sleep behavior disorder. d. hypersomnia.

The second leading cause of neonatal mortality in the United States is

A) congenital defects. B) low birth weight. C) sudden infant death syndrome. D) HIV/AIDS.