1.4 Lungs

Question 0

Bronchioles

Answer 0

Muscle, constrict and control flow into alveoli

Question 1

Bronchi

Answer 1

Contains mucus and cilli

Question 2

Pulmonary ventilation =

Answer 2

Tidal volume x ventilation rate

Question 3

Inspiration

Answer 3

External intercostal contract, internal relax. Ribs up and out, diaphragm contracts, increased volume of thorax, decreased lung pressure

Question 4

Pulmonary TB

Answer 4

Spread by bacteria in droplets, bacteria divide in upper area of lungs, inflammation, destroy tissue

Question 5

Pulmonary fibrosis

Answer 5

Scars on epithelium tissue, thickens, elasticity reduced so ventilation is harder, reduced volume

Question 6

Pulmonary fibrosis symptoms

Answer 6

Breath shortness, chronic dry cough, pain, fatigue

Question 7

Asthma

Answer 7

Histamine released due to allergen, inflamed airways, bronchioles contract

Question 8

Emphysema

Answer 8

Elastin stretched, alveoli Area reduced, shortness of breath, chronic cough, blue skin