Certified Hyperbaric Technologist Test CHT Patient Care and Safety in the Hyperbaric Environment 4

Question 1

A patient with a history of seizures is being treated. Which monitoring priority is most important?

Accepted Answer

Watching for early CNS oxygen toxicity signs

Answer

Measuring urine output hourly

Answer

Checking pupil size every minute

Answer

Recording chamber humidity continuously

Question 2

What is the recommended action if a patient cannot equalize ear pressure despite coaching?

Accepted Answer

Pause treatment and consider ENT evaluation or myringotomy

Answer

Force continued compression

Answer

Increase descent rate

Answer

Apply ear drops mid-treatment

Question 3

Why are electronic devices like cell phones prohibited inside the chamber?

Accepted Answer

They are potential ignition sources in an oxygen-rich environment

Answer

They interfere with the intercom only

Answer

They slow down compression

Answer

They distract the technologist

Question 4

A patient on chemotherapy with bleomycin is referred for HBO. What is the concern?

Accepted Answer

Increased risk of pulmonary oxygen toxicity

Answer

Faster wound healing only

Answer

No interaction at all

Answer

Reduced oxygen absorption

Question 5

What is the technologist's role regarding informed consent before HBO therapy?

Accepted Answer

Obtain and document that consent was given before treatment begins

Answer

Sign on the patient's behalf

Answer

Skip it for routine patients

Answer

Provide it only after the first session

Question 6

During treatment, the chamber oxygen analyzer reads above the safe limit. What should occur?

Accepted Answer

Initiate ventilation/flushing per protocol to lower oxygen concentration

Answer

Ignore it if the patient feels fine

Answer

Increase chamber pressure

Answer

Turn off the analyzer

Question 7

What is the proper way to manage a patient's hearing aid before entering the chamber?

Accepted Answer

Remove it as a battery-powered ignition source

Answer

Leave it in to maintain communication

Answer

Wrap it in cotton inside the chamber

Answer

Replace its battery with a larger one