DANB Occupational Safety in Dental Practice 2

Question 1

What is the most effective engineering control for preventing needlestick injuries during local anesthesia?

Accepted Answer

Self-sheathing safety anesthetic syringes that automatically cover the needle

Answer

Self-sheathing needle systems physically eliminate the sharps exposure hazard through automatic or semi-automatic needle coverage after use.

Question 2

What musculoskeletal disorder is most commonly reported among dental professionals?

Accepted Answer

Carpal tunnel syndrome and chronic neck/back pain from sustained awkward postures

Answer

Up to 90% of dental professionals develop MSDs from repetitive fine motor movements, sustained static postures, and forward head positioning.

Question 3

What is the OSHA-required component of a Hazard Communication Program in a dental office?

Accepted Answer

Written program, safety data sheets for all hazardous chemicals, proper labeling, and employee training

Answer

The HazCom/GHS standard requires a written program, SDS access, GHS-compliant container labeling, and initial/ongoing employee training.

Question 4

What exposure limit and safety measures apply to nitrous oxide in dental offices?

Accepted Answer

NIOSH recommends maximum 25 ppm TWA with scavenging and adequate ventilation

Answer

NIOSH recommends a 25 ppm ceiling as time-weighted average. Scavenging systems, ventilation, and leak detection are required.

Question 5

What is the proper response when a dental worker gets blood splashed in their eyes?

Accepted Answer

Immediately irrigate with clean water or saline for at least 15 minutes, report, and seek post-exposure evaluation

Answer

Mucous membrane exposure requires immediate prolonged irrigation (15+ minutes), incident reporting, and post-exposure medical evaluation including source testing.

DANB Infection Control Exam Practice Test

DANB Infection Control Exam Practice Test

DANB Occupational Safety in Dental Practice 2