The Most Important Negative Influence on Hearing Loss Is

question 2

Multiple Choice

The most important negative influence on hearing loss is

• A) age.
• B) noise.
• C) injury.
• D) weight.

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Definitions:

Contractile Organelle

A cell component that is involved in the contraction and movement processes, such as muscle fibers.

Electromyogram

A diagnostic procedure to assess the health of muscles and the nerve cells that control them by recording the electrical activity produced by skeletal muscles.

Sarcolemmas

The cell membranes of muscle fibers that enclose the cytoplasm and organelles of muscle cells.

Motor Unit

A single motor neuron and all of the muscle fibers it innervates, working together to produce a contraction.