Neurotransmitters

question 235

Multiple Choice

Neurotransmitters:

• A) are chemical messengers that are secreted into the bloodstream primarily by endocrine glands.
• B) are present in extremely small quantities in the brain.
• C) are constantly changing their basic molecular shape as the human brain adapts to new experiences.
• D) compete with sodium and potassium ions for the receptor sites on the surrounding neurons.

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Definitions:

Sole Proprietorship

A business structure where a single individual owns, manages, and is personally responsible for all aspects of the business, including liabilities.

Liability

A legal obligation or debt that an entity is required to pay to another.

Financial Capital

Economic resources measured in terms of money used by entrepreneurs and businesses to buy what they need to make their products or to provide their services.

Profit Rate

The ratio of net profits to total revenues of a business, indicating its efficiency at generating profit.