Followers of emperor Shen Nung at around 2800 B.C. used marijuana for __________
a. its psychoactive effects
b. to counter the influence of evil spirits
c. its sedative properties
d. all of these
e. its psychoactive effects and sedative properties
d
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After the industrial revolution, childbirth in Western nations
A) became a family-centered event. B) moved to freestanding birth centers. C) moved from home to hospital. D) became less reliant on pain medications.
A key advantage of the microdialysis technique is that __________.
A. it can easily be used with humans B. it offers the ability to sample transmitter substances in a living, conscious organism C. it uses radioactive molecules that break down quickly D. it can assess brain function on a moment-by-moment basis
When depleted of water, individuals stop drinking before their cells have time to fully receive the needed fluid. Satiety mechanisms monitor __________ and stop the behavior in anticipation of replenishment to occur later.
A. the set point B. the system variable C. the activity of the correctional mechanism D. the detector
More specifically, a reinforcer is a consequence that _____ a behavior and _____ the probability of that behavior. A punisher is a consequence that ____ a behavior and _____ the probability of that behavior.
Fill in the blank(s) with the appropriate word(s).