Sherrington (1947) Surgically Disconnected Spinal Motor Neurons from Cortical and Subcortical

question 57

Multiple Choice

Sherrington (1947) surgically disconnected spinal motor neurons from cortical and subcortical motor centers in laboratory animals. Which of the following statements is true about the subsequent motor behavior of these animals?

• A)The animals could still generate voluntary movements, but reflexive responses were disrupted.
• B)Reflexive responses were intact, but complex voluntary movements were disrupted.
• C)The animals showed normal motor function as long as sensory inputs from the dorsal root were also severed.
• D)The animals became completely motionless and unresponsive to stimulation.

Recognize the impact of changes in product demand on the demand for resources used in production.

Understand the relationship between the wage rate and the quantity of labor demanded.

Learn the factors that influence the strength of demand for a resource.

Understand the concept of marginal resource cost and how it is determined.

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Definitions:

Price Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good.

Marginal Revenue

The additional income generated from selling one more unit of a good or service.

Target Market

The target market is a specific group of consumers at which a company aims its products and services, identified by demographic, geographic, or psychographic characteristics.

Price Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of consumers to price changes.