Routine Vision Screening of Children Less Than Four Years of Age

question 41

True/False

Routine vision screening of children less than four years of age is costly and does not yield accurate results.

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Definitions:

Carbanion

A negatively charged ion (anion) of carbon that carries a lone pair of electrons, making it extremely reactive in organic reactions.

Hydride Shift

A rearrangement reaction where a hydride ion (H-) moves from one carbon atom to another within a molecule.

Methyl Shift

A rearrangement reaction where a methyl group in a molecule moves from one carbon atom to an adjacent carbon.

Zaitsev's Rule

A rule in organic chemistry that predicts the more substituted alkene as the major product in elimination reactions.