What Does It Mean When the Photon Intensity Reaching the Receptor

question 18

Multiple Choice

What does it mean when the photon intensity reaching the receptor is lower than that required to produce an optimal image?

• A) dynamic range
• B) overexposure
• C) underexposure
• D) speed class

---

Definitions:

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that the body goes through when exposed to prolonged stress, described by Hans Selye.

Alarm Phase

The initial reaction of the body's stress response, involving the activation of the sympathetic nervous system.

Chronic Stress

is a condition of continued and persistent stress over an extended period, which can have detrimental effects on one's health and well-being.

Psychoneuroimmunologists

Scientists who study the interactions between the nervous system, psychology, and the immune system, particularly how stress and behavior impact health.