Thorax

Question 1

what is the thorax lined with

Answer 1

simple squamous epithelium + areolar connective tissue

Question 2

what are the two layers of the thorax

Answer 2

parietal serosa

visceral serosa

Question 3

what is the outer layer of the thorax

Answer 3

parietal serosa

Question 4

what is the inner layer of the thorax

Answer 4

visceral serosa

Question 5

what is found between the 2 layers of the thorax

Answer 5

serous fluid is vlood filtrate and secretion by 2 layer of membrane

Question 6

what does this serous cavity of serous fludid allow

Answer 6

for the organs to move with reduced friction

Question 7

what is pleural

Answer 7

surrounds lungs

Question 8

what is pericardium

Answer 8

surroudn heart slightly modified

Question 9

what is peritoneal

Answer 9

surrounds some abdominal organ

Question 10

what is the central compartment of the toracic cavity

Answer 10

mediastinum

Question 11

what is the trachea

Answer 11

2.5 cm dia
10-16 cm long
rings of hyaline cartialge

Question 12

where is the bifurcate of the trachea

Answer 12

T5 level

Question 13

what is the carina

Answer 13

this is at the bifurcate and is the most sensitive area of trachea and triggers cough reglex

Question 14

what is the primary bronchi

Answer 14

bifurcation of trachea
cartilage rings
posterio to pulmonary vessel
right is wider, vertical and shorter

Question 15

wht is the secondary bronchi

Answer 15

each primary bronchi divides

Question 16

how many divides doe the right lung have

Answer 16

3

Question 17

how many divides doe the left lung have

Answer 17

2

Question 18

how many divides are there

Answer 18

23

Question 19

what is the location of the lungs

Answer 19

apex posteriro to clavicel
base lays on diaphragm
costal surface

Question 20

how many lobes does left lung have

Answer 20

2

Question 21

how many lobes does right lung have

Answer 21

3

Question 22

what is the hilum

Answer 22

medial indentation where the parietal and visceral pleura meet

Question 23

what is the root of the lung

Answer 23

structures enter and leaving each lung

Question 24

how many pulmonary vien are there

Answer 24

2 which carries o rich blood from each lung to heart

Question 25

how many pulmonary artery

Answer 25

1 carries o poor blood to each lung

Question 26

what creates the brachiocephalic veins

Answer 26

IJV and subclavian

Question 27

where is the superior vena cava

Answer 27

superior mediastinum right side

Question 28

where does the superior vena cava receive blood

Answer 28

from regions above diaphragm

Question 29

what forms the superior vena cava

Answer 29

right and left brachicephalic veins

Question 30

where does the superior vena cava emptie

Answer 30

into right atrium

Question 31

where can the inferiro vena cava be found

Answer 31

inferiro mediastinum runs thgouh abdomen

Question 32

where does the inferiro vena cava return blood

Answer 32

to the heart from region below diaphragm

Question 33

what forms the inferiro vena cava

Answer 33

right and left common iliac veins

Question 34

where does the inferiro vena cava empty

Answer 34

right artrium

Question 35

what is the widest blood vessel in the body

Answer 35

inferiro vena cava

Question 36

what is subclavina steal

Answer 36

block of the subclavain artery