Neur 413 - Study guides, Class notes & Summaries

Which of the following about the metabolism of nicotine is false? a.It yields the principal metabolite cotinine. b. The liver enzyme CYP2A6 is involved. c. Its half-life is about 18 hours. d. Inefficient metabolizers may be less likely to become cigarette smokers. - ANSWER c

Action potentials are first generated at the axon hillock because this is where a high concentration of _______ are located. a. non-gated K+ channels b. voltage-gated Na+ channels c. transporters d. Na+/K+ pumps - ANSWER b

Compared to major depression, bipolar disorder has a a. higher concordance rate in identical twins. b. lower concordance rate in identical twins. c. about equal concordance rate in identical twins, but lower concordance rate in identical twins. d. about equal concordance rate in fraternal and identical twins. - ANSWER d