measuring the process (spirometry)

Question 1

peak flow meter

Answer 1

• a simple device that measures the rate at which air can be expelled from the lungs.
• people with asthma use these to monitor how well their lungs are working.

Question 2

vitalographs

Answer 2

• more sophisticated versions of the peak flow meter .
• the patient breathes out as quickly as they can through a mouthpiece and the instrument produces a graph of the amount of forced expiratory volume is breathed out and how quickly.

Question 3

spirometer

Answer 3

• measures different aspects of lung volume, also investigates breathing patterns.
• many different forms of the spirometer.

Question 4

breathing rate

Answer 4

the number of breaths taken per minute.

Question 5

ventilation rate =

Answer 5

= tidal volume X breathing rate (per minute)