Respiratory Function

Question 1

Breathing

Answer 1

Act of Inspiring and exhaling with energy

Question 2

Ventilation

Answer 2

Movement of gas in and out of lungs

Question 3

Respiration

Answer 3

Energy released from organic molecules

Question 4

Biomechanics of Inspiration

Answer 4

Rib cage moves cephalad, diaphragm flattens out, “bucket handle” movement

Question 5

Biomechanics of Expiration

Answer 5

Passive except for in distress or actively expiring; includes abs, cervical strap, sternoceidomastoid, neck and intervertebral muscles

Question 6

Control of Ventilation

Answer 6

1. Higher CNS
2. Pons (Pneumotaxic center and Apneustic center)
3. Medulla (Inspiratory dorsal group; Expiratory ventral group)
   4.