QUESTION 13 Does most of your lung capacity get inhaled and exhaled during each

Question

QUESTION 13

Does most of your lung capacity get inhaled and exhaled during each normal breath at rest? Justify your argument using your data.

Yes. The tallest peak and valley on my graph represent most of the air in the lung.

No.The three normal breaths on my graph do to represent most of the air in my lungs.

Yes. The three normal breaths on my graph is Tidal Volume and this volume compromises 75% of lung volume.

5 points   

QUESTION 14

If one were to hyperventilate, the blood the blood CO2 concentrations would decrease. How might this affect the length of time one could hold their breath? Hint: give it a try if you are not sure.

The length of time would decrease because there is still a need for oxygen.

The length of time would increase because hyperventilation increases the amount of oxygen available.

The length of time would increase because CO2 levels are higher when you hyperventilate.

The length of time would increase because CO2 levels are decreased when you hyperventilate; thus it takes longer for the CO2 to build back up to higher levels.

5 points   

QUESTION 15

If all expiratory muscles were paralyzed,

Expiration is impossible

Expiration would happen relatively normally

CO2 levels would increase

Inspiration would compensate

5 points   

QUESTION 16

A student goes for a long run and when he finishes, his respiratory rate is elevated. Which of the following is likely the stimulus for the increased respiratory rate?

The need for more oxygen

Low blood pH

High blood O2

Yes. The tallest peak and valley on my graph represent most of the air in the lung.

No.The three normal breaths on my graph do to represent most of the air in my lungs.

Yes. The three normal breaths on my graph is Tidal Volume and this volume compromises 75% of lung volume.

Explanation / Answer

Answer 13:

Yes. The tallest peak and valley on my graph represent most of the air in the lung.

Answer 14: The length of time would increase because CO2 levels are decreased when you hyperventilate; thus it takes longer for the CO2 to build back up to higher levels.

Answer 15. CO2 levels will increase

Answer 16: Th need for more oxygen

Yes. The tallest peak and valley on my graph represent most of the air in the lung.

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