The Outer Membrane of a Neuron Is Semipermeable

question 47

Multiple Choice

The outer membrane of a neuron is semipermeable. This means that

• A) only sodium ions can cross the membrane.
• B) the fluid outside the membrane is positively charged.
• C) it allows some substances to pass through the membrane.
• D) the membrane must be depolarized before any particles can pass through it.

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DSM-5

The Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders, a comprehensive classification of mental disorders by the American Psychiatric Association.

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