According to Cissna & Suberg (1986), when it comes to relational climates there are _______ levels of confirmation

When you fly across the country, traversing several time zones, your circadian rhythm is likely to be interrupted by:

a) jet lag. b) sleep deprivation. c) sleep debt. d) REM rebound.

Hayden used to become intoxicated after five drinks. Now he needs eight or nine to get the same effect. This is an example of __________.

A. a psychoactive substance abuse disorder B. tolerance C. withdrawal symptoms D. an organic impairment