Thomas Edison Received Patents on Many of His Inventions

question 198

Multiple Choice

Thomas Edison received patents on many of his inventions. While the patents existed, his ideas were

• A)public goods and proprietary knowledge.
• B)public goods but not proprietary knowledge.
• C)private goods and proprietary knowledge.
• D)private goods but not proprietary knowledge.

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Definitions:

Cortisol

Cortisol is a steroid hormone released by the adrenal glands, often in response to stress and low blood-glucose concentration.

Atrial Natriuretic Peptide

A hormone secreted by the heart's atria that regulates blood volume and pressure by reducing water, sodium, and adipose loads in the bloodstream.

Heart

A muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

Organ

Structure formed by the organization of two or more different tissue types that carries out specific functions.