lung anatomy

Question 1

Where do you listen to the middle lobe?

Answer 1

4th intercostal space, midclavicular line

Question 2

describe the lower limits of the lung/visceral

Answer 2

• Inferior limit on the lung along the mid clavicular line = 6th rib
• inferior limit of the lung along mid axillary line = 8th rib
• inferior limit of the lung along paravertebral line = 10th

Question 3

describe the lower limits of parietal

Answer 3

• lower limits of parietal along midclavicular line = 8th rib
• lower limits of parietal along midaxillary line = 10th rib
• lower limits of parietal along paravertebral line = 12th rib

Question 4

describe thoracentesis

Answer 4

• used to remove fluid occupying the pleural cavity compressing the lung

Question 5

describe the layers of the trachea

Answer 5

• Resp epithelium
• basal lamina
• lamina propria
• submucosa glands
• perichondrium
• hyaline cart

Question 6

modifications of wall in asthma

Answer 6

• increase :

–> mucus

–> ithickness of basal lamina

–> thickenss of lamina propria due to edema and emigration of inflammatory cells

–> thickness of muscularis

–> glands in submucosa

Question 7

Describe reid index

Answer 7

• Reid index = bc/ad
• Normal = < .4
• Chronic bronchitis >.5

Question 8

what makes up a bronchiole

Answer 8

• <1mm
• Lack cartilage
• Lack submocosa
• goblet cells normally in large bronchiole

Question 9

what cells are found in alveoli

Answer 9

• type i pneumocytes = attenuated simple squamous cells (facilitates gase exchange)
• type II pneumocytes = involved in surfactant production (divide to replace type I and Type II pneumocytes)
• alveolar macrophages