Lungs

Question 1

Thoracic arteries (intercostals)

Answer 1

Posterior from aorta
Internal thoracic (anterior)

Question 2

diapragm, 8,10,12

Answer 2

Inf vena cava
Esophagus
Aorta

Question 3

Innervation of diagpram

Answer 3

Phrenic

Question 4

Which way do lungs ‘bud’ during featal development

Answer 4

Medially and ventarlly

Question 5

What produces surfactant and what does it do?

Answer 5

Alvolar sacs

Reduces Surface tension

Question 6

name the 4 paretial pleura

Answer 6

medistinal
costal
cervical
disphragmatic

Question 7

name the 3 pleural reflections and which is ‘parasaggital’

Answer 7

diaphragmatic
Vertebral
sternal (parasag)

Question 8

Dame the two lung recesses

Answer 8

costalmediostinum

costaldiaphragmatic

Question 9

where is the costaldiaphragmatic recess located?

Answer 9

intercostal space 8-10

Question 10

Where is the apex of the lungs?

Answer 10

thoracic inlet

Question 11

Where is the thoracic inlet?

Answer 11

1st rib and munubrium

Question 12

Name the fissures of the lefr and right lungs

Answer 12

R 
Horzontal 
Oblique
L
Oblique

Question 13

Area where roots enter lung

Answer 13

hilum

Question 14

What is the right lung against?

Answer 14

SVC
IVC
heart
Esophagus
Azygous

Question 15

Left lung pressed against

Answer 15

Heart
Aortic arch
esophagus
thoracic aorta

Question 16

What does the pulmanory ligament form?

Answer 16

double folds of the hilum

Question 17

Where does bronchus bificate?

Answer 17

T5-T7

Question 18

Name the 3 segements of bronchi

Answer 18

Primary
Secondary
Tertiary (segmental)

Question 19

Which bronchi are the LOBAR BRONCHUS?

Answer 19

Secondary

Question 20

Where is the middle lobar bronchus?

Answer 20

Bronchus IV and V

Question 21

What is important about lung segments and what operations does it help with?

Answer 21

Can mostly work independently so it allows for segmentectomy of lungs

Question 22

List the brochiole tree

Answer 22

Trachea
Primary Bronchi
Secondary Bronchi (2L , 3R)
Tertiary bronchi (8L and 10R)
Terminal Bronchioles
Respiratory bronchioles
alveolar ducts
alveolar sacs
Alveoli

Question 23

How many bronchi generattions/ divisions?

Answer 23

23

Question 24

Central/ con ducting bronchi

Answer 24

(0-16)

Question 25

oeriphery/ respiratory zones

Answer 25

(13-23)

Question 26

Bronchi: divisions

Answer 26

1-10

Question 27

Bronchioles divisions

Answer 27

11-20

Question 28

Which have cartilage?

Answer 28

bronchi

Question 29

Where does smooth muscle start to increase?

Answer 29

in respiartory region

Question 30

Where do the R bronchial arteries branch from to perfuse the lung and how many?

Answer 30

aorta

2

Question 31

Where do the L bronchiole arteries branch from to perfuse the lungs and how many are they?

Answer 31

Intercostal artery

1

Question 32

describe the vascular shunt in lungs

Answer 32

Bronchial artery will join with pulm vein , mixing deoxy and oxy blood.

Question 33

Parasymp muscarinic receptors

Answer 33

M3

Question 34

Sympathetic Adrengenic receptors

Answer 34

Beta 2

Question 35

What neuro transmitter will cholingeric neurons release?

Answer 35

acetylcholine

Question 36

What has a weak effect on bronchidilation and why?

Answer 36

sympathetic div due to noradrengic based

Question 37

What is the humoral response to bronchidilation

Answer 37

adrenalin

Question 38

What causes bronchoconstriction

Answer 38

Vagal parasypm innervation

histamine will constrict aleolar ducts.