Which Has a Higher Partial Pressure of Oxygen: Inhaled Air

question 24

Multiple Choice

Which has a higher partial pressure of oxygen: inhaled air or exhaled air?

• A) inhaled air, because our lungs absorb some of the oxygen in the air
• B) exhaled air, because our lungs absorb some of the oxygen in the air
• C) inhaled air, because oxygen is removed from the body by breathing
• D) exhaled air, because oxygen is removed from the body by breathing
• E) The partial pressures in inhaled and exhaled air are equal because air always contains the same concentration of oxygen.

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Definitions:

Entry Condition

An entry condition is a precondition that must be true before entering a loop or function to ensure proper execution.

Do...While Loop

A control flow statement that executes a block of code at least once and then repeats the loop as long as a specified condition is true.

Continue Statement

A control statement that causes the loop to skip the rest of its body and immediately retest its condition prior to reiterating.

Switch Structures

A control statement in programming used to execute different parts of code based on the value of a variable.