L20: Lungs & Bronchial Tree

Question 1

visceral pleura

Answer 1

covers and follows indentations of lungs

Question 2

parietal pleura

Answer 2

lines thoracic cavity

and has several subdivisions

Question 3

subdivisions of the parietal pleura

Answer 3

1. costal pleura
2. diaphragmatic p
3. mediastinal p
4. cervical p

Question 4

pleural recess

Answer 4

large spaces formed by reflection of parietal pleura from one area to another

Question 5

list the pleural recesses

Answer 5

Costodiaphragmatic

Costomediastinal

Question 6

space where costal and diaphragmatic pleura meet

Answer 6

Costodiaphragmatic recess

Question 7

space where mediastinal and costal pleura meet

Answer 7

Costomediastinal recess

Question 8

what allows for expansion of lungs during inspiration?

Answer 8

the Costomediastinal recess

Question 9

transition between visceral and parietal pleura at root of lungs

Answer 9

pulmonary ligament

Question 10

the pulmonary ligament creates?

Answer 10

tubular passageways for these to pass thru

airways
veins and arteries
lymphatics
nerves

Question 11

fissures of right vs. left lung

Answer 11

right = horizontal and oblique

left = only oblique

Question 12

lobes of right vs. left lung

Answer 12

right = 3

left = 2

Question 13

right horizontal fissure

Answer 13

separates sup. and middle lobes

along rib 4

Question 14

right oblique fissure

Answer 14

separates sup. and inf. lobes

scapular spine to costal junction 6

Question 15

left oblique fissure

Answer 15

separates sup and inf lobes

same location as right oblique fissure

Question 16

lobes are supplied by

Answer 16

secondary bronchi

Question 17

lobules = ?

Answer 17

bronchopulmonary segments

Question 18

lobules of right vs. left lung

Answer 18

right has 10

left has 8

Question 19

lobules are supplied by

Answer 19

tertiary bronchi

Question 20

right superior lobe

Answer 20

apical
posterior
anterior lobules

Question 21

right middle lobe

Answer 21

lateral

medial lobules

Question 22

right inferior lobe

Answer 22

superior lobule

ant., med., lat., post. basal lobules

Question 23

left superior lobe

Answer 23

Apicoposterior
anterior
Lingular lobules

Question 24

Lingular lobules

Answer 24

part of left sup. lobe

homologous to right middle lobe

divided into sup. and inf.

Question 25

left inferior lobe

Answer 25

superior lobule anteromedial lateral posterior basal lobules

Question 26

anteromedial lobule = ?

Answer 26

anterior and medial basal lobules of the left inferior lobe

Question 27

the trachea is supported by ? and divides into ____ at ____ ?

Answer 27

by C shaped cartilage divides into primary bronchi at sternal angle

Question 28

carina

Answer 28

the spot where trachea bifurcates can produce strong cough reflex

Question 29

primary bronchi are supported by ?

Answer 29

cartilage rings

Question 30

right vs. left primary bronchi

Answer 30

right = shorter, straighter, larger left = 2x as long

Question 31

right primary bronchi branches

Answer 31

into 3 secondary bronchi sup mid inf

Question 32

left primary bronchi branches

Answer 32

into 2 secondary bronchi sup inf

Question 33

first site where gas exchange occurs before reaching alveoli

Answer 33

respiratory bronchi

Question 34

trace the bronchopulmonary tree

Answer 34

``` trachea primary bronchi secondary bronchi tertiary bronchi respiratory bronchi alveolar sacs alveoli ```

Question 35

angle between the 2 primary bronchi

Answer 35

62 degrees

Question 36

superior lobar arteries branch off

Answer 36

w/in pulmonary root other arteries branch off w/in lung

Question 37

bronchial arteries are _____ and supply ?

Answer 37

intrasegmental | supply tissues of lungs

Question 38

segmental arteries are ?

Answer 38

intra-segmental

Question 39

arterial supply from right atrium to alveoli

Answer 39

``` pulmonary artery lobar art. lobular art. capillary beds -- around alveolar sacs pulmonary veins left atrium ```

Question 40

origin of arterial supply to interstitium of lungs for right vs. left

Answer 40

right -- first aortic intercostal artery left -- descending aorta

Question 41

non-pulmonary route of arterial supply to interstitium of lungs

Answer 41

``` differ for right/left origin bronchial arteries capillary beds bronchial veins to azygos, accessory, or left sup. intercostal veins to superior vena cava ```

Question 42

arterial supply from origins to interstitium of lungs - traditional

Answer 42

``` dif. origin for right vs. left bronchial arteries capillary beds pulmonary vein left atrium ```

Question 43

there are __ pulmonary veins from ? and they are ?

Answer 43

2 veins one from each lung inter-segmental

Question 44

right bronchial veins

Answer 44

to azygos vein

Question 45

left bronchial veins

Answer 45

to accessory hemiazygos vein or left sup. intercostal veins

Question 46

the pulmonary plexus location

Answer 46

lies anterior and posterior to roots of lungs