Why Is a Reflex Arc So Fast

question 40

Multiple Choice

Why is a reflex arc so fast?

• A)because all the neurons involved are myelinated
• B)because the axons are shorter
• C)because the afferent and efferent neurons can communicate by as few as a single synapse in the spinal cord
• D)because there are fewer cells involved in the network
• E)because the afferent and efferent neurons are both myelinated and able to communicate by as few as a single synapse in the spinal cord

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Definitions:

Newborn's Hearing

The auditory ability of a newborn baby, which begins to develop before birth and is fully functional shortly after birth for hearing sounds.

Amniotic Fluid

The protective liquid contained within the amniotic sac that surrounds and protects the fetus during pregnancy.

Sensory Stimulation

The input that stimulates the senses, such as sight, sound, touch, taste, and smell, crucial for brain development.

Voluntary Control

The ability to consciously regulate one's own thoughts, feelings, and actions.