Why Do Na⁺ Ions Enter the Cell When Voltage-Gated Na⁺

question 68

Multiple Choice

Why do Na⁺ ions enter the cell when voltage-gated Na⁺ channels are opened in neurons?

• A) because the Na⁺ concentration is much lower outside the cell than it is inside
• B) because the Na⁺ ions are actively transported by the sodium-potassium pump into the cell
• C) because the Na⁺ concentration is much higher outside the cell than it is inside, and the Na⁺ ions are attracted to the negatively charged interior
• D) because the Na⁺ concentration is much higher outside the cell than it is inside, and the Na⁺ ions are actively transported by the sodium-potassium pump into the cell

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Definitions:

Ottawa Chief

A title referring to the leader of the Ottawa, a Native American people historically located in the Great Lakes region, often associated with leaders like Pontiac who played significant roles in colonial-era conflicts.

Indian Uprising

A revolt or rebellion by Indigenous peoples against colonial or national authorities, often aiming to assert rights, autonomy, or resist displacement.

Pontiac

A leader among the Native American Ottawa people, known for his role in Pontiac's War against British forces in the 18th century.

Fur Trade

The exchange of animal fur, especially beaver pelts, between trappers, traders, and indigenous peoples for goods.