Diaphragm structures - Lung relations

Question 1

structure perforating diaphragm (an where)

Answer 1

T8: IVC
T10: esophagus vagus
T12: aorta, thoracic duct, azygos vein

Question 2

esophagus perofrates diaphragm at

Answer 2

T10

Question 3

azygos vein perforates diaphragm at

Answer 3

T12

Question 4

ivc perforates diaphragm at

Answer 4

T8

Question 5

vagus perforates diaphragm at

Answer 5

T10

Question 6

aorta perforates diaphragm at

Answer 6

T12

Question 7

thoracic perforates diaphragm at

Answer 7

T12

Question 8

Diaphragm is innervated by

Answer 8

C3, C4, C5

PHRENIC NERVE

Question 9

causes of diaphragm irritation (that cause pain)

Answer 9

air or blood in peritoneal cavity

Question 10

pain from diaphragm irritation can be refereed to (and how)

Answer 10

1. shoulder (C5)

2. trapezius ridge (C3, C4)

Question 11

the common carotid bifurcates at (area by vertebrate)

Answer 11

C4

Question 12

the trachea bifurcates at

Answer 12

T4

Question 13

the abdominal aorta bifurcates at

Answer 13

L4

Question 14

if you aspirate a peanut while upright: it enters

Answer 14

lower portion of right inferior lobe

Question 15

if you aspirate a peanut while supine: it enters

Answer 15

superior portion of right inferior lobe

Question 16

Right lung has … lobes

Answer 16

3

Question 17

Left lung has …. lobes

Answer 17

2 lobes

AND LINGULA

Question 18

which lung is more common site for inhaled foreign body and why

Answer 18

Right lung because the right main stem bronchus is wider and more vertical than left

Question 19

left vs right lung

Answer 19

right has 3 lobes
left lung has 2 lobes and lingula
lingula is homolog of right middle lobe

Question 20

Lingula is homolog to

Answer 20

right middle lobe

Question 21

right main stem bronchus vs left main stem bronchus

Answer 21

the right stem bronchus os wider and more vertical than left

Question 22

instead of middle lobe, the left lung has

Answer 22

a space occupied by the heart

Question 23

the relation of the pulmonary artery to the bronchus at each lung hilum is described by

Answer 23

mnemonic: RALS
- right: anterior
- left: superior

Question 24

bifurcation at L4

Answer 24

abdominal aorta

Question 25

bifurcation at T4

Answer 25

trachea

Question 26

bifurcation at C4

Answer 26

common carotid

Question 27

structure perforating diaphragm (an where)

Answer 27

T8: IVC
T10: esophagus vagus
T12: aorta, thoracic duct, azygos vein