What Is the Correct Order for the Steps of Synaptic

question 23

Multiple Choice

What is the correct order for the steps of synaptic transmission at the motor end plate? 1. Acetylcholine binds to postsynaptic receptors.
2) Acetylcholine is released by exocytosis.
3) A graded depolarization is produced.
4) An action potential is produced on the muscle cell membrane.
5) Channels that primarily allow diffusion of sodium are opened.
6) Voltage -dependent calcium channels on the plasma membrane open.
7) An action potential arrives at the axon terminal.

• A) 5, 7, 6, 2, 1, 4, 3
• B) 7, 6, 2, 1, 3, 4, 6
• C) 6, 7, 2, 1, 3, 5, 4
• D) 7, 5, 2, 1, 3, 4, 6
• E) 7, 6, 2, 1, 5, 3, 4

---

Definitions:

Market Price

The prevailing cost at which one can buy or sell an asset or service.

Marginal Cost

The augmentation in total costs associated with the production of an additional unit of a product or service.

Cartel

A group of independent market participants who collude to control prices and production in order to monopolize a market.

Fixed Cost

Costs that do not change with the level of output, such as rent or salaries.