Free NPS Laboratory Procedures & Safety Questions and Answers

Question 1

Which of the following colors represents a biohazard container for sharps disposal?

Accepted Answer

Red

Answer

In healthcare and laboratory settings, specific color codes are used for waste disposal to ensure safety and proper handling of hazardous materials. Red biohazard containers are universally designated for the disposal of sharps, such as needles, syringes, and lancets. This prevents needlestick injuries and minimizes the risk of transmitting bloodborne pathogens.

Question 2

Which of the following best describes the first step in spill cleanup?

Accepted Answer

Notify others and secure area

Answer

The first and most critical step in any spill cleanup, especially involving potentially hazardous materials, is to ensure the safety of all personnel. Notifying others immediately alerts them to the danger, and securing the area (e.g., by cordoning it off) prevents accidental exposure and limits contamination. This allows for a controlled and safe cleanup process by trained individuals.

Question 3

What does PPE stand for in the lab setting?

Accepted Answer

Personal Protective Equipment

Answer

PPE stands for Personal Protective Equipment, which refers to specialized clothing or equipment worn by individuals to minimize exposure to hazards. In a laboratory setting, this typically includes items like gloves, lab coats, safety glasses, and sometimes masks or respirators. PPE is essential for protecting workers from chemical, biological, and physical dangers.

Question 4

Which disinfectant is commonly used to sanitize laboratory surfaces?

Accepted Answer

10% bleach solution

Answer

A 10% bleach (sodium hypochlorite) solution is a highly effective and commonly used disinfectant in laboratory settings. Its broad-spectrum antimicrobial properties allow it to kill a wide range of bacteria, viruses, and fungi. This makes it ideal for decontaminating surfaces after spills of biological materials or for routine cleaning to maintain a sterile environment.

Question 5

Which of the following is NOT a common bloodborne pathogen?

Accepted Answer

Hepatitis A

Answer

Bloodborne pathogens are infectious microorganisms found in human blood that can cause disease, with HIV, Hepatitis B, and Hepatitis C being prominent examples. Hepatitis A, however, is primarily transmitted through the fecal-oral route, typically via contaminated food or water, rather than through blood contact. Therefore, it is not considered a common bloodborne pathogen.

NPS - National Performance Specialists Certification Practice Test

NPS - National Performance Specialists Certification Practice Test

Free NPS Laboratory Procedures & Safety Questions and Answers