At What Age Does AD Usually Occur

question 35

Multiple Choice

At what age does AD usually occur?

• A) Between age 30 and 40
• B) Between age 40 and 50
• C) After age 60
• D) Around age 80

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Definitions:

Motor Unit

A single motor neuron and all the muscle fibers it innervates, working together to perform muscular contraction.

Skeletal Muscle Tissue

A type of muscle tissue that is attached to bones and responsible for voluntary movements.

Smooth Muscle Tissue

A type of muscle tissue found in various organs, such as the stomach, intestines, and blood vessels, that is not under conscious control.

Orbicularis Oris

A circular muscle around the mouth that controls the movements of the mouth and lips, crucial for speech and facial expressions.