Course Work - Peak Flow Test

Question 1

What is the principle?

Answer 1

The test to measure the width of the airways to your lungs (the bronchi and bronchioles).

Question 2

What does the width of the airways determine?

Answer 2

The velocity of air you can breathe out.

Question 3

What is being measured?

Answer 3

The velocity at which air is passed out of the lungs when they are forcefully expiring air at their highest rate.

Question 4

What is velocity proportional to?

Answer 4

The width of airways so we can tell if they are wide or narrowed compared to normal values

Question 5

What are the normal values for adult male?

Answer 5

400 - 600 dm³/min

Question 6

What are the normal values for adult female?

Answer 6

400 - 600 dm³/min

Question 7

What are diseases that causes narrowing of the bronchi?

Answer 7

Asthma and Chronic Obstructive Pulmonary Disease (COPD)

Question 8

What is another test that can be used to confirm some diseases diagnosed with this?

Answer 8

Spirometry