During hyperbaric oxygen therapy at 3 ATA, plasma contains about how much dissolved O2?
a. 1 ml/dl
b. 3 ml/dl
c. 5 ml/dl
d. 7 ml/dl
ANS: D
At 3 ATA, plasma contains nearly 7 ml/dl dissolved O2, a level exceeding average resting tissue uptake.
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A driver was ejected from his vehicle in a rollover-type collision. Assessment findings reveal the patient to be unresponsive, with bruising to the abdominal and pelvic areas as well as an open femur fracture. The patient has an open airway and is breathing 32 times per minute. When you listen to breath sounds, you find them to be absent over the alveolar areas of the lungs. The patient's skin is cool and clammy and the radial pulses weak. Manual spine motion restriction is being maintained. What should your next intervention be?
A) Obtain a blood pressure B) Assist respirations C) Examine the fracture site D) Apply a cervical collar