PERLA stands for pupils, equal, rotating to the light, and accommodating.

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Light rays coming from an object to the retina.

Trapping of Light by a Black Hole

Frederic Edwin Church conveyed the romantic sensibility in Twilight in the Wilderness (1860). The cl

Torque is a twisting force equal to the distance from the pivot point times the force applied ...

Use the test light to check for voltage at terminal 30 of the relay. The ignition may have to be in ...

Interactions of Light and Matter

Author Question: PERLA stands for pupils, equal, rotating to the light, and accommodating. (Read 81 times)

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