Hyperbaric Oxygen Therapy (HBO) questions with correct answers

HBO is the therapeutic use of oxygen at pressures greater than ____. CORRECT ANSWER-1 atm HBO is expressed in multiples of atmospheric pressure ___. CORRECT ANSWER-absolute 1 Atmospheric pressure absolute (ATA) CORRECT ANSWER-760 mmHg Most HBO therapy is conducted at pressures between what? CORRECT ANSWER-2-3 ATA What are the 4 physiologic effects of HBO? CORRECT ANSWER-1)Bubble reduction (Boyle's law) 2)Hyperoxygenation of blood and tissue (Henry's law) 3)Vasoconstriction 4)Enhanced host immune function 5)Neovascularization What is Boyle's law? CORRECT ANSWER-P1 V1=P2 V2 Bubble reduction What is the bends? CORRECT ANSWER-decompression sickness where the air is composed for nitrogen and oxygen trapped in the blood or tissues. The bubbles can block blood vessels in many organs. Causes severe pain.