A Neuron Fires When Na⁺ Ions

question 11

Multiple Choice

A neuron fires when Na⁺ ions

• A) move down their concentration gradient by the process of facilitated diffusion.
• B) are actively pumped down their concentration gradient.
• C) move against their concentration gradient spontaneously.
• D) are actively pumped against their concentration gradient.
• E) are released from an internal store.

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Definitions:

Necessary Capital

The minimum amount of financial resources required for a business to start, maintain its operations, or expand.

Corporation by Estoppel

Corporation by estoppel is a legal doctrine preventing an individual from denying a group's status as a corporation if they have treated it as such in their dealings.

Defective Corporation

A company that has failed to comply with certain legal formalities required for its establishment, potentially affecting its legal standing.

Foreign Corporation

A corporation in a state in which it conducts business but is not incorporated.