WORKBOOK

Question 1

Identify four factors that could increase airway resistance

Answer 1

1. Aveolar collapse
2. Narrowed airways from oedema (excel fluid in interstitial space
3. Mucus or secretions within the airways
4. Bronchoconstriction of bronchial smooth muscle

Question 2

Identify 5 factors that promote gas exchange at the alveolar/capillary junction

Answer 2

1. warm moist surface area
   2.extensive capillary network for blood supply
   3.large surface area
2. short diffusion distance
3. Increased partial pressure gradient for gases (O2 and CO2)