Certified Hyperbaric Technologist Test CHT Patient Care and Safety in the Hyperbaric Environment 2

Question 1

Which item is strictly prohibited inside a monoplace hyperbaric chamber due to fire risk?

Accepted Answer

Petroleum-based lip balm

Answer

100% cotton hospital gown

Answer

Grounded copper bracelet

Answer

Cotton bed linens

Question 2

A patient reports a feeling of fullness and pain in the ears during compression. What is the most appropriate first action?

Accepted Answer

Stop or slow compression and coach equalization techniques

Answer

Continue compression to finish quickly

Answer

Immediately abort and decompress fully

Answer

Increase compression rate to push past the discomfort

Question 3

What is the primary reason patients are grounded inside a hyperbaric chamber?

Accepted Answer

To prevent static electricity discharge that could ignite a fire

Answer

To improve oxygen absorption

Answer

To stabilize blood pressure

Answer

To reduce claustrophobia

Question 4

Which vital sign change during treatment would most strongly suggest oxygen toxicity onset?

Accepted Answer

Twitching, visual changes, or seizure activity

Answer

Gradual rise in blood pressure

Answer

Slow steady pulse

Answer

Mild increase in respiratory rate

Question 5

What humidity-related precaution helps reduce static fire risk in the chamber?

Accepted Answer

Keeping relative humidity above a minimum threshold

Answer

Drying the air completely

Answer

Adding alcohol-based sanitizer to surfaces

Answer

Lowering chamber temperature near freezing

Question 6

A diabetic patient is scheduled for HBO therapy. What is a key pre-treatment safety check?

Accepted Answer

Verify blood glucose level before and after treatment

Answer

Withhold all insulin for 24 hours

Answer

Double the morning insulin dose

Answer

Skip glucose monitoring entirely

Question 7

Which approved garment material is acceptable for a patient entering the chamber?

Accepted Answer

100% cotton gown

Answer

Synthetic nylon athletic wear

Answer

Wool sweater

Answer

Polyester blend pajamas