Class #6

Question 1

Quiet breathing

Answer 1

a type of breathing we do at rest

Question 2

Forced breathing

Answer 2

a type of breathing we do when we expert ourselves

Question 3

Primary muscle of quiet and forced inspiration

Answer 3

diaphragm

Question 4

The diaphragm increases the _________ dimension of the thoracic cavity

Answer 4

Vertical

Question 5

Inter costal muscles (internal and external)

Answer 5

• Accessory muscles that assist the diaphragm

- When contracted they increase the horizontal dimension of the thoracic cavity

Question 6

What are the three primary muscles of inspiration

Answer 6

1) Diaphragm
2) Internal intercostals
3) External intercostals

Question 7

The primary muscles of respiration increase which dimensions of the thoracic cavity

Answer 7

the horizontal and vertical

Question 8

Quiet expiration

Answer 8

• does not involve muscles
• 3 Forces at work
  1) torque
  2) elasticity (elastic recoil)
  3) gravity

Question 9

Forced expiration

Answer 9

1) External oblique
2) Internal oblique
3) Transverse abdominus
4) Rectus abdominus

Question 10

Conduction zone

Answer 10

purpose is to conduct air to and from lung alveoli

Question 11

Parts of the conduction zone

Answer 11

1) Nose/ mouth
2) Pharynx (throat)
3) Larynx (voice box)
4) Trachea (wind pipe)
5) Bronchial tree

Question 12

Aspirated food/ liquid goes to which main bronchus

Answer 12

Right because it is straighter than the left

Question 13

Alveoli

Answer 13

Where gas exchange occurs in the lungs