What is the main difference between morphine and heroin?
a. Morphine is more potent than heroin.
b. Heroin takes much longer to metabolize.
c. Heroin more readily penetrates the blood-brain barrier.
d. Morphine is more lipid-soluble
e. all of the above
c
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Disorders characterized by disturbances in emotion are known as ______ disorders
a) conversion b) somatoform c) mood d) dissociative
In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, how many main effects are possible?
a. 3 b. 6 c. 5 d. 2
The type of hepatitis that is mostly caused by illegal intravenous drug use or unscreened blood transfusions is type ____
a. A c. C b. B d. D
____________________ involves one's genetic inheritance
Fill in the blank(s) with correct word