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Questions and Answers
What is the approximate volume of air inspired or expired during a normal respiration?
What is the approximate volume of air inspired or expired during a normal respiration?
- 1500 mL
- 2500 mL
- 500 mL (correct)
- 1000 mL
How much additional air can a person inspire through forcible inspiration on average?
How much additional air can a person inspire through forcible inspiration on average?
- 1000 mL
- 3000 mL (correct)
- 4000 mL
- 4500 mL
What is the average range for Expiratory Reserve Volume (ERV)?
What is the average range for Expiratory Reserve Volume (ERV)?
- 1500 mL to 2000 mL
- 1000 mL to 1100 mL (correct)
- 300 mL to 400 mL
- 2500 mL to 3000 mL
What is the total air that a healthy man can inspire or expire in one minute?
What is the total air that a healthy man can inspire or expire in one minute?
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Which of the following describes Tidal Volume (TV)?
Which of the following describes Tidal Volume (TV)?
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Study Notes
Respiratory Volumes
- Tidal Volume (TV): Measures the amount of air inhaled or exhaled in a single breath; typically around 500 mL.
- Minute Ventilation: During normal activity, a healthy individual can move approximately 6000 to 8000 mL of air per minute.
Additional Respiratory Volumes
- Inspiratory Reserve Volume (IRV): Represents the extra air that can be inhaled after a normal breath; averages between 2500 mL and 3000 mL.
- Expiratory Reserve Volume (ERV): Indicates the extra air that can be exhaled after a normal breath; averages between 1000 mL and 1100 mL.
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