What is a category of by-product that is produced in the body and has been related to aging?

a) carbon dioxide production
b) oxygen-deprived ribonucleic acid
c) acetylcholine
d) free radicals

d

Psychology

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A clinician looking in the DSM-III in the late 1980s would have found which of the following in its content?

a) a description of the psychodynamic perspective b) a more overt biomedical approach c) one category for anxiety neurosis d) a less overt biomedical approach

Psychology

Even if they have the same parents and share a home, each sibling in a family experiences the environment differently, and research has shown that parents do not treat each child the same. What is this phenomenon known as?

a) shared heredity b) shared environment c) nonshared heredity d) nonshared environment

Psychology