Measurement of Lung Efficiency Quiz

Which of the following is NOT a measurement of lung efficiency?

• Tidal volume

• Vital capacity

• Peak flow

• Blood pressure

What is tidal volume?

• The maximum volume of air that can be breathed out in one breath after a maximum inspiration.

• The volume of air breathed in or out of the lungs in one normal breath.

• The total volume of air in the lungs after a maximal inspiration.

• The volume of air remaining in the lungs after a normal expiration.

What does vital capacity represent?

• The volume of air remaining in the lungs after a normal expiration.

• The volume of air breathed in or out of the lungs in one normal breath.

• The maximum volume of air that can be breathed out in one breath after a maximum inspiration.

• The total volume of air in the lungs after a maximal expiration.

What effect do diseases of the lungs have on vital capacity?

• They increase vital capacity

• They have no effect on vital capacity

• They reduce vital capacity

• They double vital capacity

At what age does vital capacity reach its maximum?

• 10 years old

• 20 years old

• 30 years old

• 40 years old

How does fitness level affect vital capacity?

• No effect

• Decreases as fitness increases

• Increases as fitness increases

• Only affects vital capacity in athletes

What is the high tech method for measuring vital capacity as shown in the image?

• Stethoscope

• Sphygmomanometer

• Spirometer

• Electrocardiogram

How long should you breathe out into the spirometer to measure your vital capacity?

• About 2 seconds

• About 5 seconds

• About 10 seconds

• About 15 seconds

How many attempts are recommended to take when measuring your vital capacity using a spirometer?

• 1 attempt

• 2 attempts

• 3 attempts

• 4 attempts

Which value should be considered as your vital capacity when using a spirometer?

• The average of all attempts

• The lowest value of the attempts

• The highest value of the attempts

• The second-highest value of the attempts