The Rapid Inward Diffusion of Na⁺ Followed by the Outward

question 1

Multiple Choice

The rapid inward diffusion of Na⁺ followed by the outward diffusion of K⁺ produces a rapid change in the membrane potential called a(n)

• A)action potential.
• B)excitatory postsynaptic potential.
• C)saltatory conduction.
• D)monosynaptic reflex.
• E)depolarization.

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Definitions:

Absorption

The process by which substances are taken up and assimilated into the body, such as nutrients from the digestive tract into the bloodstream.

Mechanical Breakdown

The physical process of breaking food into smaller pieces, an essential part of digestion.

Chemical Digestion

The process of breaking down food in the gut into smaller components, using enzymes, so they can be absorbed into the body.

Common Hepatic Duct

A duct in the liver that conveys bile from the liver to the cystic duct and then to the gallbladder.