HT Safety & Chemical Hazards 4

Question 1

Which federal regulation specifically governs occupational exposure to formaldehyde in histology laboratories?

Accepted Answer

29 CFR 1910.1048

Answer

OSHA's Formaldehyde Standard (29 CFR 1910.1048) sets permissible exposure limits, monitoring requirements, and controls for workplace formaldehyde.

Question 2

In a histology lab, 'secondary containers' of hazardous chemicals must be labeled with:

Accepted Answer

Product identifier and appropriate hazard warnings

Answer

OSHA HazCom requires secondary containers to have at minimum the product identity and hazard warnings to inform workers of risks.

Question 3

A histotechnician's safety glasses fog up while working, and they briefly remove them while handling acid decalcifier. This primarily violates which safety principle?

Accepted Answer

PPE must be worn continuously during chemical handling

Answer

PPE must be worn throughout the entire task involving hazardous chemicals; momentary removal creates exposure risk.

Question 4

What is the purpose of a chemical hygiene plan (CHP) in a histology laboratory?

Accepted Answer

Outline procedures and policies to protect workers from chemical hazards

Answer

OSHA's Laboratory Standard (29 CFR 1910.1450) requires a written CHP specifying protective measures for working with hazardous chemicals.

Question 5

Which of the following is classified as a carcinogen by IARC Group 1, relevant to histology laboratory work?

Accepted Answer

Formaldehyde

Answer

IARC reclassified formaldehyde as a Group 1 (definite human carcinogen) in 2004, associated with nasopharyngeal cancer and leukemia.

(HT) Histotechnician Certification Practice Test

(HT) Histotechnician Certification Practice Test

HT Safety & Chemical Hazards 4