Which of the Following Were Once Widely Prescribed for Weight

question 301

Multiple Choice

Which of the following were once widely prescribed for weight loss or depression, but today, their main legitimate medical uses are to treat childhood hyperactivity and overdoses of depressant drugs?

• A)amphetamines
• B)tranquilizers
• C)barbiturates
• D)sedative-hypnotics

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Definitions:

Eclipsed Conformer

A conformer of a molecule in which adjacent atoms are aligned with minimal spatial separation, leading to maximal torsional strain.

Ethane

A colorless, odorless gas, which is the second simplest alkane, with the chemical formula C2H6.

Conformational Isomers

Molecules that have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space due to rotation around a single bond.

Structural Isomers

Molecules that have the same molecular formula but differ in the connectivity of their atoms.