Multiple Choice
In an experiment to test the effects of a new pain killing drug, the control group was given a placebo, which initially reduced the pain experienced by the participants in the control group because taking the placebo______ of the control group participants.
A) raised the endorphin levels
B) lowered the endorphin levels
C) activated the neurilemma in the receptor sites
D) deactivated the neurilemma in the receptor sites
Correct Answer:
Verified
Correct Answer:
Verified
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