Certified Hyperbaric Technologist Test Hyperbaric Chamber Operations 4

Question 1

What is the recommended response to a fire alarm or smoke inside a multiplace chamber?

Accepted Answer

Activate the fire suppression deluge system and begin emergency procedures

Answer

Open the door immediately

Answer

Increase oxygen flow

Answer

Continue the treatment

Question 2

During decompression (ascent), gas trapped in body cavities will:

Accepted Answer

Expand

Answer

Contract

Answer

Stay the same

Answer

Liquefy

Question 3

Which physical gas law explains why ear and sinus barotrauma occur during pressure changes?

Accepted Answer

Boyle's law

Answer

Henry's law

Answer

Charles's law

Answer

Avogadro's law

Question 4

Henry's law is most relevant to hyperbaric therapy because it describes:

Accepted Answer

How more oxygen dissolves in plasma under increased pressure

Answer

How gas volume changes with temperature

Answer

How sound travels in the chamber

Answer

How humidity forms

Question 5

Before a treatment, why must the technologist verify there are no petroleum-based products on the patient?

Accepted Answer

They are flammable in an oxygen-enriched environment

Answer

They reduce oxygen absorption

Answer

They cause ear pain

Answer

They interfere with monitors

Question 6

What is the typical role of the inside attendant (tender) in a multiplace chamber?

Accepted Answer

To monitor patients and manage emergencies while sharing the pressurized environment

Answer

To operate the controls from outside

Answer

To compress the chamber

Answer

To deliver gas from the control panel

Question 7

Why must IV fluid bags be vented or use special administration sets during hyperbaric treatment?

Accepted Answer

Pressure changes affect gas in the bag and alter flow rates

Answer

They will freeze

Answer

Oxygen destroys the plastic

Answer

They become radioactive