Ventilation (12)

Question 1

3 Steps to respiration

Answer 1

1. Pulmonary ventilation
2. External respiration
3. Internal respiration

Question 2

Boyles law

Answer 2

As the size of closed container decreases, pressure inside is increased

Question 3

Muscles of inhalation

Answer 3

1. Diaphragm
2. External intercostals
3. Pectoralis minor*
4. Scalenes*
5. Sternocleidomastoid*

Question 4

Muscles of forced expiration

Answer 4

1. Abdominals
2. Internal intercostals
3. Transverse thoracis

Question 5

Factors affecting ventilation

Answer 5

1. Surface tension of alveolar fluid
2. Lung compliance
3. Airway resistance