At 82, Deborah Has Found It Increasingly Difficult to Hear

question 153

Multiple Choice

At 82, Deborah has found it increasingly difficult to hear her grandchildren talk, and it's been years since she heard the birds singing. If Deborah is like most other adults with this problem, she will likely be helped by:

• A) hearing aids.
• B) cochlear implants.
• C) surgery to increase flexibility of the middle ear bones.
• D) ear drops to facilitate the production of protective ear wax.

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Definitions:

THC

Tetrahydrocannabinol, the principal psychoactive constituent of cannabis that affects the brain by binding to cannabinoid receptors.

Anandamide

An endocannabinoid that acts as a neurotransmitter, playing a role in pain, mood, and appetite regulation within the body.

Habituation

Learned behavior in which the response to a stimulus weakens with repeated presentations.

Calcium Ion Influx

A cellular process involving the movement of calcium ions (Ca2+) into a cell, leading to various physiological responses.