Although the Membrane of a "Resting" Neuron Is Highly Permeable

question 24

Multiple Choice

Although the membrane of a "resting" neuron is highly permeable to potassium ions, its membrane potential does not exactly match the equilibrium potential for potassium because the neuronal membrane is also

• A) fully permeable to sodium ions.
• B) slightly permeable to sodium ions.
• C) fully permeable to calcium ions.
• D) impermeable to sodium ions.
• E) highly permeable to chloride ions.

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Definitions:

Embryonic

Referring to the early stages of development within the womb, from conception to the eighth week of pregnancy.

Fetal

Pertaining to the development stage of a human between the embryonic state and birth.

Physical

Relating to the body as opposed to the mind or spirit, encompassing material things, bodily activities or phenomena.

Folic Acid

A vitamin of the B complex, essential for the production and maintenance of new cells and for preventing certain birth defects.