Certified Hyperbaric Technologist Test CHT Fire Safety and Oxygen Hazards in Hyperbaric Environments 2

Question 1

Which type of fire suppression system is most commonly installed in multiplace hyperbaric chambers?

Accepted Answer

Water deluge system

Answer

Dry chemical extinguisher system

Answer

Halon gas suppression

Answer

CO2 total flooding system

Question 2

What rating must electrical equipment used inside a hyperbaric chamber carry?

Accepted Answer

Intrinsically safe or explosion-proof rated

Answer

Standard commercial grade (UL listed)

Answer

High-voltage industrial rating

Answer

Battery-powered rating only

Question 3

Which of the following personal care products is specifically prohibited before hyperbaric treatment?

Accepted Answer

Hair spray and petroleum-based lotions

Answer

Unscented cotton bandages

Answer

Saline wound rinse

Answer

Water-based lubricating eye drops

Question 4

Which factor presents the GREATEST increase in fire risk within a hyperbaric chamber?

Accepted Answer

Elevated oxygen partial pressure

Answer

Patient age over 65

Answer

Increased chamber depth (pressure)

Answer

Extended treatment duration beyond 90 minutes

Question 5

The 'hot work permit' protocol in hyperbaric facilities is required before:

Accepted Answer

Welding, cutting, or grinding near oxygen systems

Answer

Treating patients with burns

Answer

Heating blankets for patient comfort

Answer

Running high-temperature autoclaves nearby

Question 6

Which cleaning agent is appropriate for use on hyperbaric chamber components and oxygen delivery equipment?

Accepted Answer

Oxygen-compatible (oxygen-clean) cleaners only

Answer

Any commercial multi-surface cleaner

Answer

Petroleum-based solvent degreasers

Answer

Standard isopropyl alcohol (70%)

Question 7

A monoplace hyperbaric chamber primarily uses which gas for pressurization?

Accepted Answer

100% oxygen

Answer

Air

Answer

Helium-oxygen mixture

Answer

Nitrogen-oxygen mixture