UN Air

Question 1

Respiratory defence mechanism

Answer 1

1. Filtration of air
2. Mucociliary clearance
3. Cough reflex
4. Reflex bronchoconstriction
5. Alveolar macrophages

Question 2

Transport of o2 to body cells is dependent on what systems

Answer 2

Respiratory
Cardiovascular
Hematologic
Nervous

Question 3

Pulmonary ventilation is influenced by

Answer 3

1. Thoracic cavity
2. Intact nervous system
3. Patency of airways
4. Adequate lung compliance

Question 4

Diffusion of gases influenced by

Answer 4

1. Any change in surface area available for gas exchange
2. Thickening of alveolar-capillary membrane
3. Pco2, po2

Question 5

Transport of respiratory gases influenced by

Answer 5

1. Cardiac output
2. Tissue perfusion
3. Decreases o2-carrying capacity
4. Decreases inspired o2 []
5. Increased metabolic rate

Question 6

Maintain/improve pulmonary ventilation by

Answer 6

1. Follow regular exercise program
2. Maintain normal body weight
3. Avoiding chemical substances causing respiratory depression
4. Practicing deep breathing/coughing
5. Practicing pursed lip breathing
   6.use incentive spirometer hourly
6. Frequent position change
7. Drink 2-3 litres/day
8. Breathing humidified air
9. Manage pain
10. Annual flu vaccine

Question 7

Improve gas diffusion by

Answer 7

1. Stop smoking
2. Avoid second band smoke
3. Practice DB + C
4. Incentive spirometer hourly
5. Drink 2-3 litres/day
6. Mobilizing every 2hr min
   7.meds to treat infections
7. Annual flu vaccine

Question 8

Promote o2 transport to tissues by

Answer 8

1. Follow regular exercise program
2. Eat well-balanced diet iron, low in saturated fat and trans
3. Stop smoking
4. Acoid second hand smoke
5. Drink 2-3 liters/day
6. Take iron supplements