Chapter 23

Question 1

Exhalation begins when

Answer 1

Inspiratory muscles relax

Question 2

To become activated which requires being bound to a foreign antigen and simultaneous costimulation

Answer 2

T cell

Question 3

What counteracts the movement of bicarbonate cons from the RBC

Answer 3

Chloride shifting

Question 4

The dominant method of carbon dioxide transport

Answer 4

Dissolved in plasma as bicarbonate ions

Question 5

Surfactant helps to prevent the alveoli from collapsing by

Answer 5

Interfering with the cohesiveness of water molecules ‘ there by reducing the surface tension of alveolar fluid

Question 6

The point where the trachea divides into right and left primary bronchi is a bridge called

Answer 6

Carina

Question 7

The amount of air that can be inspired above the tidal volume

Answer 7

Inspiratory reserve

Question 8

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by

Answer 8

Diffusion

Question 9

What tissue maintain open airways in the lower respiratory system

Answer 9

Hyaline cartilage

Question 10

Most inspired particles such as dust fail to reach the lungs because of the

Answer 10

Ciliates mucous lining in the conducting zone