Paradoxical Sleep Is Also Known as

question 140

Multiple Choice

Paradoxical sleep is also known as

• A)REM sleep.
• B)the hypnagogic state.
• C)Stage 4.
• D)none of these

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Definitions:

Muscle Spindles

Sensory receptors within muscles that detect changes in muscle length and participate in regulating muscle contraction.

Alpha Motor Neurons

Nerve cells that connect to and control the contraction of skeletal muscles, playing a key role in initiating muscle movement.

Reflex Arc

The neural pathway that controls a reflex action, typically comprising a sensory receptor, a neural pathway, and an effector.

Motor Neuron

A type of nerve cell that transmits signals from the brain and spinal cord to muscles, causing them to contract.