Certified Hyperbaric Technologist Test Hyperbaric Emergency Medicine 4

Question 1

In a monoplace chamber, the most significant limitation during a medical emergency compared with a multiplace chamber is:

Accepted Answer

No attendant inside to provide hands-on care during treatment

Answer

Higher oxygen cost

Answer

Inability to compress

Answer

Lack of a viewing window

Question 2

What is the primary rationale for an emergency decompression procedure during an unmanageable in-chamber crisis?

Accepted Answer

To allow direct access to the patient for resuscitation or evacuation

Answer

To save oxygen

Answer

To increase nitrogen loading

Answer

To test the chamber seals

Question 3

A patient on the deck of a multiplace chamber suffers cardiac arrest at treatment depth. The inside attendant should:

Accepted Answer

Begin CPR immediately while the team coordinates decompression

Answer

Wait until surfacing to begin CPR

Answer

Refuse to act without a physician present

Answer

Switch the patient to air only and do nothing else

Question 4

Confined-space considerations make which routine resuscitation tool potentially hazardous inside a hyperbaric chamber?

Accepted Answer

Standard electrical defibrillator used improperly in the high-oxygen environment

Answer

Manual bag-valve mask

Answer

Oral airway

Answer

Stethoscope

Question 5

A rapid loss of chamber pressure (explosive decompression) most immediately threatens occupants with:

Accepted Answer

Pulmonary barotrauma and arterial gas embolism

Answer

Hypothermia only

Answer

Slow dehydration

Answer

Nitrogen washout benefit

Question 6

Which patient symptom during decompression should prompt the technologist to halt ascent and reassess?

Accepted Answer

New onset of joint pain, numbness, or breathing difficulty

Answer

Mild relaxation

Answer

Slight thirst

Answer

Feeling sleepy after treatment

Question 7

The single most important factor in preventing hyperbaric fire emergencies is:

Accepted Answer

Strict control of prohibited items and ignition sources in the oxygen-enriched environment

Answer

Keeping the chamber warm

Answer

Frequent decompression

Answer

Using cotton blankets only for comfort