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A resting adult requires about 240 mL of pure oxygen/ min
Chapter 1, Problem 69P(choose chapter or problem)
A resting adult requires about 240 mL of pure oxygen/ min and breathes about 12 times every minute. If inhaled air contains 20 percent oxygen by volume and exhaled air 16 percent, what is the volume of air per breath? (Assume that the volume of inhaled air is equal to that of exhaled air.)
Questions & Answers
QUESTION:
A resting adult requires about 240 mL of pure oxygen/ min and breathes about 12 times every minute. If inhaled air contains 20 percent oxygen by volume and exhaled air 16 percent, what is the volume of air per breath? (Assume that the volume of inhaled air is equal to that of exhaled air.)
ANSWER:Step 1 of 2
Here we have to calculate the volume of air per breath.
Given:
Oxygen required = 240 mL of oxygen/min
Number of breathing in a minute = 12 times
Oxygen presence in inhaled (volume) = 20%
Oxygen presence in exhaled air = 16 %