The Following Is True About Physiological Changes Experienced by Older

question 23

Multiple Choice

The following is true about physiological changes experienced by older people:

• A)The voice generally becomes lower pitched.
• B)Older people have lower accident rates than do middle-age adults.
• C)Research has proven that intellectual functioning declines in later adulthood.
• D)Homeostasis becomes less efficient in later adulthood.

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Definitions:

Deactivator

A chemical group or substituent attached to an aromatic ring that decreases its reactivity in electrophilic aromatic substitution reactions.

Friedel-Crafts Acylation

A chemical reaction that introduces an acyl group into an aromatic ring, facilitated by a Lewis acid catalyst, used in synthetic chemistry.

Benzophenone

An organic compound used primarily as a photoinitiator in polymer chemistry and as a flavor or fragrance additive, characterized by its ketone attached to two benzene rings.

Electrophile

A chemical species that is attracted to electrons and tends to accept electrons during a chemical reaction.