Three Chronic Marijuana Users-A Light User, a Moderate User, and a Heavy

question 214

Multiple Choice

Three chronic marijuana users-a light user, a moderate user, and a heavy user-stop using marijuana. Before quitting, all three experienced abnormal blood flow in their brains. Several weeks later, blood flow in their brains had MOST likely:

• A) returned to completely normal flow levels for all three.
• B) returned to completely normal flow levels for the light and moderate users only.
• C) returned to nearly normal for the light and moderate users only but remained at abnormal levels for the heavy user.
• D) returned to nearly normal for all three.

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Definitions:

Trade Surplus

A situation where a country exports more goods and services than it imports.

Exports

Goods or services produced in one country and sold to buyers in another, contributing to a country's gross domestic product.

Imports

Items or services acquired from overseas to be sold within a country.

Balanced Trade

A situation in which the value of a country's exports equals the value of its imports over a certain period.