As You Progress Through a Nightly Sleep Cycle, Your Brain-Wave

question 161

Multiple Choice

As you progress through a nightly sleep cycle, your brain-wave pattern changes from ________ at the very beginning of sleep to at the end of the first cycle.

• A) alpha; beta
• B) fast, low amplitude waves; slow, high amplitude waves
• C) REM sleep; beta waves
• D) delta; alpha
• E) sleep spindles; theta waves

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Definitions:

Axon

A thin, elongated extension of a neuron, or nerve cell, that generally transmits electrical signals away from the cell body of the neuron.

Neuronal Membrane

The lipid bilayer that encloses the cytoplasm of a neuron, crucial for maintaining the ion gradient and enabling the propagation of nerve impulses.

Ions

Charged particles that have either lost or gained electrons, playing critical roles in various biological processes, including nerve impulse transmission and muscle contraction.

Neutral Molecules

Neutral molecules are chemical species without any net electrical charge.