How do incandescent bulbs produce light?

Light of one color is concentrated and amplified.

Material inside the bulb becomes hot and produces light.

Gases within the bulb are energized by an electric current and interact with a phosphor coating.

Solid materials within the bulb are energized by an electric current.

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.