If You Stare for 30 Seconds at a Red Object

question 213

Multiple Choice

If you stare for 30 seconds at a red object and then look at a blank sheet of white paper, you will see a greenish image of the object. This phenomenon BEST supports the __________ theory of color vision.

• A) Grieco trichromatic
• B) opponent-process
• C) Helmholtz trichromatic
• D) Hering's vibration

---

Definitions:

Upper End

Refers to the topmost or highest part of something.

Right Femur

The thigh bone located on the right side of the body, which is the longest and strongest bone.

Recheck

The process of examining or assessing something again to confirm its status or condition.

Avulsion

A medical term for the tearing away of a body part or tissue, either accidentally or surgically, often requiring immediate treatment to repair or reattach.