Which of the Following Ions Can Pass Through the Open

question 75

Multiple Choice

Which of the following ions can pass through the open ion channel of the acetylcholine receptor?

• A) K⁺
• B) Na⁺
• C) both K⁺ and Na⁺
• D) neither K⁺ nor Na⁺

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Definitions:

Radius

The distance from the center of a circle to any point on its circumference, or from the center of a sphere to any point on its surface.

Center

A key point that is often the midpoint or origin in geometric figures, such as circles or ellipses, around which symmetry or rotation occurs.

Radius

In geometry, the distance from the center of a circle to any point on its circumference, also half the diameter of the circle.

Center

The middle point of a shape or object, equidistant from all outer edges.