The Extensor Pollicis Brevis Moves the ________

question 58

Multiple Choice

The extensor pollicis brevis moves the ________.

• A) forearm
• B) fingers
• C) thumb
• D) retinaculum
• E) palm

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Definitions:

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays an important role in muscle activation, memory, and learning.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood glucose levels.

Epinephrine

Epinephrine, also known as adrenaline, is a hormone and neurotransmitter that increases heart rate, contracts blood vessels, and opens airways in response to stress or excitement.

Acetylcholine

A neurotransmitter involved in many functions including muscle contraction, arousal, and memory formation.