CMLA REE CMLA Laboratory Safety & Procedures 4

Question 1

In the laboratory chain of custody for forensic or legal specimens, which step is most critical?

Accepted Answer

Continuous documentation of specimen handling from collection to reporting

Answer

Chain of custody requires unbroken documentation of every person who handles a specimen to maintain its integrity for legal purposes.

Question 2

Which personal protective equipment (PPE) is required when handling specimens with potential aerosol generation?

Accepted Answer

Gloves, lab coat, and face shield or splash goggles

Answer

Aerosol-generating procedures require gloves, lab coat, and face/eye protection to prevent mucous membrane exposure.

Question 3

Which is the correct order of donning (putting on) PPE before entering a patient isolation room?

Accepted Answer

Gown → Mask/Respirator → Goggles → Gloves

Answer

CDC recommends donning in the order: gown, mask/respirator, goggles/face shield, then gloves last to avoid contaminating other PPE.

Question 4

According to OSHA, which document must be readily accessible to laboratory employees for every hazardous chemical in the workplace?

Accepted Answer

Safety Data Sheet (SDS)

Answer

OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires Safety Data Sheets to be immediately accessible to employees for every hazardous chemical.

Question 5

A newly received chemical reagent should be labeled with:

Accepted Answer

Expiration date and date received

Answer

Laboratories must add the date received and expiration date to chemical containers to track shelf life and ensure reagent validity.

(CMLA) Certified Medical Laboratory Assistant Practice Test

(CMLA) Certified Medical Laboratory Assistant Practice Test

CMLA REE CMLA Laboratory Safety & Procedures 4