Lab: Pleura and Lungs

Question 1

Visceral and parietal pleura relation

Answer 1

continuous, fold back at roots of lungs

Question 2

From what embryonic tissue do the lungs develop?

Answer 2

endoderm from the primitive gut tube

Question 3

From what embryonic structure do the lungs develop?

Answer 3

gut tube

Question 4

Lung buds develop into what tissue

Answer 4

splanchnic mesoderm

Question 5

Pulmonary ligament

Answer 5

medial lung, weak attachement between pleural layers

Question 6

Parietal pleura innervation

Answer 6

intercostal nerve

Question 7

Visceral pleural innervation

Answer 7

phrenic nerve

Question 8

If you’re going to drain the pericardial sac, where do you put the needle in

Answer 8

costomediastinal recess

poke into pericardial sac without worrying about poking a lung

Question 9

Phrenic nerves lie anterior/posterior to root of lung

Answer 9

anterior

Question 10

Vagus nerves lie anterior/posterior to root of lung

Answer 10

posterior

Question 11

Pancoast tumor

Answer 11

lung tumor restricted to upper cervial portion of lung

Question 12

Pancoast tumor impinges on…

Answer 12

brachial plexus

subclavian artery and vein

Horner’s syndrome

Question 13

RALS

Answer 13

right: anterior
left: superior

where pulmonary artery is in relation to bronchus at hilum

Question 14

Arch depression on right lung

Answer 14

arch of azygous vein

Question 15

Azygous vein is on which side?

Answer 15

right

Question 16

Recurrent laryngeal nerve wraps around what on each side?

Answer 16

right: subclavian artery
left: ligamentum arteriosum

Question 17

Tracheal branches at what vertebral level?

Answer 17

T4/T5

Question 18

What is the point of separation where trachea splits

Answer 18

carina

Question 19

If you inhale something, into which 1˚ bronchus is it going to go?

Answer 19

right, angled more vertically

left has to go around the heart

Question 20

Is lymphatic drainage of lung segmental like airway and blood flow?

Answer 20

NO!

may have fluid buildup after partial resection of lung

Question 21

Does lymph flow from one lung to the other?

Answer 21

yes

some lymph nodes connect the right and left lung

Question 22

Etiology of spontaneous pneumothorax

Answer 22

ruptured bulla

air escapes from lung into pleural space

or something pathology crossing lung parenchyma

Question 23

What is it called when you have a stab wound and get a pneumothorax from outside air?

Answer 23

open pneumothorax

mediastinal structures move with inspiration to unaffected side and back with expiration

Question 24

Etiology of tension pneumothorax

Answer 24

some structure acting like valve, cannot escape

mediastinal structures moved over

compression of great vessels

Question 25

Tx of tension pneumothorax

Answer 25

tube thoracostomy 4th or 5th intercostal space

Question 26

Pleural effusion

Answer 26

increase of fluid in the pleural space

Question 27

Hemothorax

Answer 27

blood entering the pleural sapce