Regarding a Healthy Recreational Scuba Diver at a Depth of 66

question 1

Multiple Choice

Regarding a healthy recreational scuba diver at a depth of 66 feet in the Caribbean Sea, which statement is true?

• A)Her lungs are smaller than normal
• B)She has an elevated arterial pO₂ and a normal pCO₂
• C)All gas partial pressures in her blood (oxygen, nitrogen, carbon dioxide and water vapor) are elevated
• D)There are increases in both fraction of inspired oxygen (FiO₂) and inspired nitrogen (FiN₂)

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