The Substantia Nigra

question 2

Multiple Choice

The substantia nigra

• A) Excites the direct pathway and inhibits the indirect pathway
• B) Inhibits the direct pathway and excites the indirect pathway
• C) Uses serotonin as its main neurotransmitter
• D) Connects mainly to the caudate and the external globus pallidus
• E) Both A and C are correct

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Definitions:

Lump Sum

A one-time payment for the total amount due, rather than breaking the payment into smaller installments.

Sales Tax

A tax paid to a governing body for the sales of certain goods and services, usually added to the price of the goods or service.

Indifference Curve

An indifference curve is a graph that shows a combination of two goods that give a consumer equal satisfaction and utility.

Normal Good

A good for which demand increases when income increases and falls when income decreases, all other factors being equal.