Until Depolarization, a Neural Membrane Is Relatively Impermeable to

question 38

Multiple Choice

Until depolarization, a neural membrane is relatively impermeable to

• A)Na + and K +
• B)K + and Ca ++
• C)Na + and Ca ++
• D)Ca ++ only

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Definitions:

Fetal Alcohol Effect

A condition resulting from alcohol exposure during pregnancy, characterized by developmental delays and problems in behavior or cognition, less severe than Fetal Alcohol Syndrome.

Amniotic Fluid

Fluid within the amniotic sac that suspends and protects the fetus.

Ectoderm

The outermost cell layer of the newly formed embryo from which the skin and nervous system develop.

Endoderm

The inner layer of the embryo from which the lungs and digestive system develop.