In a Study of White-Collar Workers, Velma Found That There

question 85

Multiple Choice

In a study of white-collar workers, Velma found that there was a positive correlation between sick days taken and self-reported alcohol and drug use. A graph of her results would show a

• A) diagonal line from the bottom left to the top right
• B) diagonal line from the top left to the bottom right
• C) horizontal line
• D) U-shaped curve

---

Definitions:

Dura Mater

The outermost, thick, and durable membrane of the three layers of the meninges that envelop the brain and spinal cord, providing protection.

Sciatic Nerve

A large nerve that runs from the lower back down the back of each leg, involved in controlling the muscles of the back of the knee and lower leg.

Spinal Cord

A major part of the central nervous system that extends from the base of the skull to the lower back and is responsible for transmitting nerve signals between the brain and the body.

White; Gray

Refers to the two types of matter in the central nervous system; white matter consists of myelinated axons, while gray matter contains neuron cell bodies.