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

question 97

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 normal flow levels for all three.
• B) returned to normal flow levels for the "light" and "moderate" users only.
• C) returned close to normal for the "light" and "moderate" users only but still remained at abnormal levels for the "heavy" user.
• D) returned closer to normal for all three.

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Definitions:

Latissimus Dorsi

The large muscle of the back.

Pectoralis Major

A large muscle in the front of the chest that attaches to the shoulder and sternum, involved in movements of the shoulder and arm.

Deltoid

Refers to the triangular muscle on the shoulder, involved in arm movements and known for its shape.

Circular Sphincter

A circular muscle that constricts or dilates to regulate the passage of substances through an opening in the body, such as the pyloric sphincter in the digestive system.