Respiratory System

Which of the following defines the term vital capacity?

• The amount of air which enter lungs during NORMAL inspiration at rest

• The maximum amount of air you can exhale after taking the deepest possible inspiration

• The amount of air LEFT in the lungs following a maximal exhalation

Which of the following defines the term residual volume?

• The amount of air which enter lungs during NORMAL inspiration at rest

• The maximum amount of air you can exhale after taking the deepest possible inspiration

• The amount of air LEFT in the lungs following a maximal exhalation

Nose, mouth, pharynx, larynx, trachea, ........

• Bronchioles

• Daiphragm

• Bronchi

• Alveoli

Which of the following defines the term tidal volume?

• The amount of air which enter lungs during NORMAL inspiration at rest

• The maximum amount of air you can exhale after taking the deepest possible inspiration

• The amount of air LEFT in the lungs following a maximal exhalation

Which of the following is not a characteristics of alveoli?

• They are the location where gaseous exchange occurs

• Are located on the end of bronchioles

• Small surface area

• Thin, moist lining (one cell thick)

Which 2 muscles are involved in expiration and inhalation?

• Intercostal muscles

• Rectus abdominus

• Pectoralis major

• Diaphragm

• Latissimus dorsi

Inspiration is...

The normal, relaxed shape of the diaphragm is?

• Bowl

• Flat

• Facing outwards

• Dome

Expiration causes the chest to...?

• Expand

• Contract

• Stay the same

In the process of diffusion, the alveoli receive CO2 and give out O2 to which blood vessel?

• Artery

• Vein

• Capillary