Question

You witness a person hyperventilate for a period of time before someone hands them a brown paper bag to breathe into. After taking some breaths into the bag, their breathing rate begins to normalize. Which of the following is NOT true of this scenario?A. A The brown paper bag increased the amount of CO2 that the person was breathing into the bodyB. The kidneys began to increase bicarbonate levels in the body to compensate for the hyperventilation C. If we were able to check the person's blood sample before and after breathing into the brown paper bag, we would see a decrease in blood pH and an increase in pCO2 D. This person is experiencing respiratory alkalosis. If this person breaths into the brown paper bag for an extended period of time following breathing rate returning to normal, they could actually cause respiratory acidosis.

Answer 1

When the body receives more oxygen than it needs, the result can be what's known as respiratory alkalosis (high pH). One of the most common causes is hyperventilating. The point of breathing into a bag is to “re-breathe” your exhaled carbon dioxide (CO2) in the hopes of bringing your body back to a normal pH level.

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