At an elevation of 9,000 feet (~2,745 meters) above sea level, the barometric pressure is approximately 543 mm Hg. Approximately, what is the atmospheric partial pressure of oxygen (O2) at this elevation?

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Physiology Test Question

At an elevation of 9,000 feet (~2,745 meters) above sea level, the barometric pressure is approximately 543 mm Hg. Approximately, what is the atmospheric partial pressure of oxygen (O₂) at this elevation?

	(A) 100 mm Hg
	(B) 115 mm Hg
	(C) 150 mm Hg
	(D) 543 mm Hg
	(E) 760 mm Hg

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Posted: Thursday, January 1, 2015
Last updated: Thursday, January 1, 2015