Certified Hyperbaric Technologist Test Hyperbaric Wound Healing 4

Question 1

A wound patient reports ear fullness and pain during compression. The technologist should first:

Accepted Answer

Slow or halt compression and coach equalization techniques

Answer

Increase pressure faster to push through

Answer

Immediately abort and decompress rapidly

Answer

Ignore it as normal

Question 2

Before each wound-care dive, blood glucose monitoring is important in diabetic patients because HBO2 can:

Accepted Answer

Lower blood glucose and precipitate hypoglycemia

Answer

Raise glucose to dangerous highs

Answer

Permanently cure diabetes

Answer

Have no effect on glucose

Question 3

Which fire-safety practice is essential during wound HBO2 in an oxygen-enriched chamber?

Accepted Answer

Prohibiting petroleum-based products and static-generating materials

Answer

Allowing patients to bring lighters for comfort

Answer

Using only synthetic blankets that spark

Answer

Permitting electronic heating pads inside

Question 4

A wound patient develops twitching, visual changes, and anxiety at depth. This most likely indicates:

Accepted Answer

CNS oxygen toxicity requiring reduction of oxygen exposure

Answer

Normal adaptation to pressure

Answer

Simple ear barotrauma

Answer

Dehydration only

Question 5

Why are air breaks often incorporated into longer wound-treatment dives?

Accepted Answer

To reduce the risk of oxygen toxicity while maintaining therapy

Answer

To let the patient eat during treatment

Answer

To cool the chamber down

Answer

To recharge the patient's hemoglobin

Question 6

A patient taking disulfiram (Antabuse) is scheduled for wound HBO2. The concern is that disulfiram may:

Accepted Answer

Block superoxide dismutase, impairing protection against oxygen toxicity

Answer

Improve oxygen tolerance

Answer

Have no relevance to HBO2

Answer

Replace the need for compression

Question 7

Adequate hydration is encouraged before wound HBO2 mainly because dehydration can:

Accepted Answer

Increase susceptibility to decompression issues and hypoglycemia

Answer

Improve oxygen delivery

Answer

Prevent ear barotrauma

Answer

Eliminate the need for air breaks