W9 Histology of the respiratory system

Question 1

what lines the parietal pleura (inner wall of the thoracic cavity) and the visceral pleura (outer surface of the lungs)

Answer 1

mesothelium (simple squamous epithelium

Question 2

the space between the two layers of the pleura that are continuous at the hilum of the lungs is what

Answer 2

pleura cavity

Question 3

pleura is a what kinda of membrane

Answer 3

serous (acts as lubricant)

Question 4

what is pleurisy

Answer 4

inflammation of the pleura, a very painful condition

Question 5

pleural effusion

Answer 5

when pleural cells secrete an excess of fluid in pathological conditions

Question 6

what is the primary muscle of respiration

Answer 6

diaphragm

Question 7

what muscles are accessory respiratory muscles that are recruited for forced inspiration/expiration

Answer 7

intercostal and scalene muscles (and abdominal oblique muscles)

Question 8

what do goblet cells do

Answer 8

secrete mucus

Question 9

thyroid, cricoid, arytenoid are what type of cartilage

Answer 9

hyaline

Question 10

thyroid, cricoid, arytenoid are what type of cartilage

cuneiform, corniculate, and epiglottic are what type of cartilage

Answer 10

hyaline

elastic

Question 11

how many secondary/lobar bronchi in left and right lung

how many tertiary/segmental bronchi in left and right lung

Answer 11

3 in right, 2 in left

10 in right, 8 in left

Question 12

as bronchi gets smaller, increase in what

Answer 12

smooth muscle, elastic tissue

Question 13

does type 1 or type 2 alveolar cells make up pulmonary surfactant

Answer 13

type II

Question 14

where o lymphatic vessles drain

Answer 14

nodes in the hilar region

Question 15

hilar region

Answer 15

The hilar region is where the bronchi, arteries, veins, and nerves enter and exit the lungs

Question 16

what are the true ribs, false ribs, and floating ribs

Answer 16

true: 1-7
false: 8-10
floating: 11,12

Question 17

what are atypical ribs

Answer 17

1,2,10,11,12

Question 18

costal surface

Answer 18

smooth and convex, conforms to shape of cavity for lungs

Question 19

medial surface

Answer 19

relates to vertebrae and mediastinum, cardiac impression left by heart

Question 20

brings blood from heart to be oxygenated

Answer 20

pulmonary arteries

Question 21

supply the lung tissue and visceral pleura, supply main bronchi and branches as far as the respiratory bronchi

Answer 21

bronchial arteries

Question 22

returns oxygen-rich blood to left atrium of heart to be sent to left vesicle and then out to the body

Answer 22

pulmonary veins

Question 23

drain the area supplied by bronchial arteries

Answer 23

bronchial veins

Question 24

bronchial veins on the right side drain where

Answer 24

to the azygous vein

Question 25

bronchial veins on the left side drain where

Answer 25

to the accessory hemiazygos or left superior intercostal veins

Question 26

lymphatics from lung drain from bronchopulmonary to what

Answer 26

tracheobronchial nerves

Question 27

subclavian artery

Answer 27

superior intercostal

Question 28

internal thoracic

Answer 28

anterior intercostal

Question 29

axillary artery

Answer 29

thoracodorsal, lateral thoracic, thoracoacromial

Question 30

aorta

Answer 30

posterior, subcostal