Which Neurotransmitter Is Primarily Secreted by Axon Endings of Sympathetic

question 51

Multiple Choice

Which neurotransmitter is primarily secreted by axon endings of sympathetic postganglionic neurons?

• A) acetylcholine
• B) epinephrine (adrenaline)
• C) norepinephrine (noradrenaline)
• D) dopamine

---

Definitions:

Economies Of Scale

The situation when a firm’s average total cost of producing a product decreases in the long run as the firm increases the size of its plant (and, hence, its output).

Variable Inputs

Factors of production that change in quantity as the level of output changes, such as labor or raw materials, in contrast to fixed inputs like machinery or land.

Property Resources

Assets or materials owned by individuals or entities, including land, buildings, and intellectual property, used in the production of goods and services.

Labor

The human effort, either physical or mental, used in the production of goods and services.