Of the more than 2.4 million deaths in the United States in 2005, about what percent were caused by smoking-related illnesses?
a. 2%
b. 10%
c. 20%
d. 50%
c
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Across society, ____ relationships seem the most powerful for driving progress and increasing wealth
a. communal b. altruistic c. mutual d. exchange
Muscles contain ______ receptors.
A. excitatory nicotinic B. excitatory muscarinic C. inhibitory nicotinic D. inhibitory muscarinic
What group of neurotransmitters has been implicated in mood disorders according to the textbook?
a. lithazines c. monoamines b. phenothiazines d. biamines
The higher the correlation between the ratings of two independent observers in an experiment:
a. the less the ratings represent inconsistent subjective factors of the raters. b. the more the ratings represent inconsistent subjective factors of the raters. c. the less the ratings represent consistent subjective factors of the raters. d. None of these