Title: Ch. 4.3.3. quiz
Course: Lab Safety > Section: Day 3

Biological Hazards and Biosafety section of Laboratory Safey by Hill and Finster, 2010 by Wiley

Q: Viruses
- Have a central core of DNA or RNA
- Have a protective protein coating
- Are not alive
- All of the above
A: All of the above

Q: Bacteria
- Are alive
- Are all easily dyed
- Contain no DNA
- All of the above
A: Are alive

Q: Which poses the largest risk of infection upon exposure?
- Hepatitis viruses
- HIV
- Hepatitis and HIV have the same risk
- This depends on the individual
A: Hepatitis viruses

Q: When comparing infections agents with cehmical toxicants
- For chemical toxicants, "the dose makes the poison", while for infection agents, the dose is largely irrelvant since even a tiny exposure can multiply in the body
- "The dose makes the poison" for both substances
- Use PPE for infectious agents is much mor important since exposure usually leads to fatality
- Different kids of PPE are used for infrections agents as compared to chemical toxicants
A: For chemical toxicants, "the dose makes the poison", while for infection agents, the dose is largely irrelvant since even a tiny exposure can multiply in the body

Q: Which practice is generally NOT needed when using infectious agents"
- Using gloves
- Avoiding mouth pipetting
- Using chemical splash goggles
- None of the above
A: None of the above

Q: Which two practices are more important to consider when handling infectious agents as compared to handling chemical toxicants?
- Washing hands and disposing of sharps
- Washing hands and disinfecting work areas
- Disposing of sharps and disinfecting work areas
- Disposing of sharps and using gloves
A: Disposing of sharps and disinfecting work areas

Q: How many biosafety levels are established by the CDC and the NIH?
- 2
- 3
- 4
- 5
A: 4