Na⁺ Ions Are Encouraged to Move into Neurons by

question 117

Multiple Choice

Na⁺ ions are encouraged to move into neurons by

• A) nonrandom assignment.
• B) electrostatic pressure.
• C) the sodium-potassium pump.
• D) selective ion channels.
• E) nonrandom movement.

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Definitions:

Erector Spinae

A group of muscles that run vertically along the spine and are responsible for extending, laterally flexing, and rotating the vertebral column.

Vertebral Column

The spinal column is a series of vertebrae that extend from the skull to the lower back, serving as the main structural support for the body and protecting the spinal cord.

Interspinales

Muscles located between the spinous processes of the vertebrae, which assist in stabilizing the spine and facilitating movement.

Multifidus

A deep spine muscle important for stabilizing the joints within the spine during movement.