The incidence of seasonal affective disorder is highest

Jack says he's feeling especially smart today. "My neurons are firing extra hard!" he tells his friend, Gina. She understands how neurons work, so she tells him ________

a. "Be careful. Strongly firing neurons can lead to a stroke." b. "That's great! I wish my neurons were firing extra hard today, too." c. "How strongly a neuron fires doesn't matter. It's like a light switch--it's either on or off.". d. "It's actually better for your cognitive processes if neurons fire gently rather than hard."

Regarding sexual orientation, which of the following statements is FALSE?

a. Although learning contributes to one's sexual orientation, it appears that nature strongly prepares people to be either homosexual or heterosexual. b. Differences in the size and in the neurotransmitter levels of the hypothalamus have been found in homosexual and heterosexual persons. c. Most lesbian and gay men were raised by heterosexual parents, while most children raised by gay or lesbian parents become heterosexual. d. Most gay men have lower than normal adult testosterone levels, while adult lesbians have lower than normal estrogen.