The part of the brain that sends "alert" messages to the cerebral cortex is the ______

Regarding STDs and safer sex, choice, risk, and responsibility, which of the following statements is FALSE?

a. In general, most adults favor greater freedom of choice for themselves. b. When it comes to sex, greater choice is accompanied by greater risk. c. Today younger people are exploring their sexual identities in an era of more casual sex. d. Most sexually active people overestimate their risk of contracting chlamydia and gonorrhea.

Regarding handedness, which of the following statements is FALSE?

a. A small minority of lefties owe their hand preferences to birth traumas, such as prematurity, low birth weight, and breech birth. b. Left-handed persons have a significantly lower incidence of allergies and learning disorders than right-handed persons. c. People with inconsistent handedness may be at risk for more immune-related diseases than persons who are consistently left-handed. d. Collectivist cultures where left-handedness is viewed as especially negative have about half the proportion of left-handed persons as individualist cultures.