Action Potentials Are Propagated in a One-Way Direction Down a Neuronal

question 48

Multiple Choice

Action potentials are propagated in a one-way direction down a neuronal plasma membrane because

• A) the action potential is of insufficient intensity to stimulate the voltage-gated ion channels behind it
• B) the adjacent channels upstream from the action potential are ligand-gated
• C) the adjacent channels upstream from the action potential are in a refractory period
• D) voltage-gated ion channels are suppressed
• E) the adjacent channels upstream from the action potential are at their threshold potential

---

Definitions:

Entrepreneurial Talent

The unique set of skills, knowledge, and attitudes possessed by individuals that enable them to create, innovate, and manage businesses effectively.

Production Costs

The total expenses incurred in the manufacturing or production of goods, including labor, materials, and overhead.

Opportunity Cost

The amount of other products that must be forgone or sacrificed to produce a unit of a product.