Researchers interested in the effects of a drug on an awake, freely moving animal are most likely to
a. use surgically implanted micropipettes to administer precise amounts of the drug directly to the brain.
b. use microdialysis.
c. allow the animal to inhale, eat, or chew substances that contain precise amounts of the drug.
d. sample the chemicals that are active in a precise location in the brain.
Question 2
Drugs that cause psychoactive effects
a. and their behavioral effects are assessed most frequently by researchers using microdialysis techniques.
b. are only effective if administered through injection.
c. are unable to move from the blood supply into the brain, which is why people use methods like smoking and chewing to administer drugs.
d. naturally gain access to the brain.
Decomposers (detritivores) feeding on dead plant and animal matter.
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