According to Your Text, Which of the Following Might Be

question 30

Multiple Choice

 According to your text, which of the following might be evidence that you have normal ultradian rhythms?

• A) 
• Even though you love your psychology professor's lectures, about halfway through the second hour of class, you find yourself nodding off.
• B) 
• You are always hungry first thing in the morning no matter how late you ate the night before.
• C) 
• You are always awake by 7 a.m. no matter how late you stay up the night before.
• D)  You always sleep eight hours every night (no more, no less) unless you set your alarm to wake you earlier.

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Definitions:

Myelin

The fatty substance that surrounds the axon of some nerve cells, forming an insulating layer that speeds up signal transmission.

Oligodendroglial Cells

Oligodendroglial cells are a type of glial cell in the central nervous system responsible for producing and maintaining the myelin sheath, which insulates nerve fiber to enhance signal transmission.

Schwann Cells

Glial cells located in the peripheral nervous system, responsible for the myelination of neuronal axons, thereby increasing the speed of electrical impulses.

Central Nervous System

The division of the nervous system consisting of the brain and spinal cord, which integrates sensory information and directs bodily responses.