The Sleep-Wake Cycle Is Ultimately Controlled by the Part of the Brain

question 180

Multiple Choice

The sleep-wake cycle is ultimately controlled by the part of the brain called the

• A) optical nerve.
• B) substantia nigra
• C) suprachiasmatic nucleus.
• D) median forebrain bundle.

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Definitions:

Nucleus

The membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material, functioning as the control center of the cell.

Neutrons

Subatomic particles found in the nucleus of an atom with no electrical charge and a mass roughly equal to that of protons.

Protons

Positively charged particles located within an atom's nucleus, contributing to the atom's mass and defining the element's atomic number.

pH Scale

A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.