Question 1
Which gas law best describes why an undrained pneumothorax is an absolute contraindication to hyperbaric oxygen therapy?
Correct Answer:
Boyle's law — gas volume is inversely proportional to pressure, so trapped gas expands during decompression
Question 2
A diver descends to 33 feet of seawater (fsw). What is the approximate absolute ambient pressure?
Correct Answer:
2 atmospheres absolute (ATA)
Question 3
According to Dalton's law, what is the partial pressure of oxygen (PO2) when breathing 100% oxygen at 2.4 ATA?
Correct Answer:
2.4 ATA (1,824 mmHg)
Question 4
Which gas law explains the uptake of nitrogen into tissues during a dive (nitrogen saturation) and its subsequent release leading to decompression sickness?
Correct Answer:
Henry's law — the amount of gas dissolved in a liquid is proportional to its partial pressure above the liquid
Question 5
Which of the following is NOT currently among the 14 UHMS-approved indications for hyperbaric oxygen therapy?
Correct Answer:
Autism spectrum disorder
Question 1
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About this Exam

Prepare with the ABEM UHM Practice Questions - ABEM Undersea and Hyperbaric Medicine Subspecialty Certification Exam practice quiz. This question bank includes 100 questions covering hbo2, oxygen, chamber, hyperbaric, and patient. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABEM UHM Practice Questions - ABEM Undersea and Hyperbaric Medicine Subspecialty Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on hbo2, oxygen, chamber, hyperbaric, and patient. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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