Which of the Following Is a Violation of Laboratory Safety

question 20

Multiple Choice

Which of the following is a violation of laboratory safety precautions?

• A) Disposing of broken glassware in a puncture-resistant container
• B) Talking in the laboratory
• C) Opening a centrifuge before it comes to a complete stop
• D) Recapping reagent bottles immediately after use

---

Definitions:

Cholesterol

A waxy, fat-like substance found in all cells of the body, which is necessary for making hormones, Vitamin D, and substances that help digest foods.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals.

Organic Molecule

A compound that contains carbon atoms bonded together, often with hydrogen, oxygen, and other elements, and is part of living organisms.

Amino Acid

A building block of proteins, consisting of a basic amino group, an acidic carboxyl group, and a unique side chain.