muscles of respiration

Question 1

external intercostal runs

Answer 1

downwrad forward

Question 2

external intercostal o

Answer 2

inferior border or rib

Question 3

external intercostal i

Answer 3

superior border or rib below it

Question 4

external intercostal nerve

Answer 4

intercostal nerve

Question 5

external intercvostal action

Answer 5

increases teh anteroposterior and transverse diameter of thorax anmd elevation of ribs

Question 6

internal intercostal action

Answer 6

depress the ribs during expiration

Question 7

innermost intercostal o and i

Answer 7

adjacent rib/ribs

Question 8

action of innermost intercostal

Answer 8

assist the xternal and internal intercostals

Question 9

diaphragm desfriotiin

Answer 9

thin muscular and tendinous septum
right dome upper border of 5th rib
left dome lower border of 5th rib
central tendon xiphsternal joint

Question 10

diaphragm o

Answer 10

costal lower six cc and ribs
sternal posterior surface of xiphoid process
vertebral crura and arcuate ligaments

Question 11

diaphragm i

Answer 11

central tendon

Question 12

right crus is

Answer 12

bodies the first three lumbar vertebra and its interveretebral discs

Question 13

left crus is

Answer 13

bodies teh first two lumbar vertebra and its intervertebral discs

Question 14

medial arcuate ligament connects the

Answer 14

body of the second lumbar veretebra to the tip of the transverse process of the first lumbar veretbera

Question 15

lateral arcuate ligament connects the

Answer 15

tip of the transverrse process of the first lumbar veretebra to the lower border of the 12th rib

Question 16

the arcuate ligaments connect what two thiungs

Answer 16

the crura to the diaphgram

Question 17

what are the arcuate ligaments

Answer 17

medial, median ,lateral

Question 18

diaphram nerve supply

Answer 18

motor: phrenic nerve
sensory
central surface: phrenic nerve
peripheral surface: lower six intercostal nerves

Question 19

action of diaphragm

Answer 19

increases vertical diameter of the thorax

Question 20

openings of teh diaphragm

Answer 20

caval, aortic , esopheageal

Question 21

caval opening is at the level of

Answer 21

T8

Question 22

caval opening conents

Answer 22

inferiro vena cava up
terminal branches of right phrenic nerve down

Question 23

esopheageal opennig is at tehlevel of

Answer 23

T10

Question 24

esopheageal opening conents

Answer 24

eso
right left vagus nerves
esopheageal branchesof left gadstric vessels
lymphatics from the lower third of the eso

Question 25

aortic opening is at the level of

Answer 25

T12

Question 26

aortic opening contents

Answer 26

aorta down azygous vein and thoracic duct up celiac artery branch of it left gastric as soon as it passes t12

Question 27

levators costraum o

Answer 27

tip of the transverse process of C7-T11

Question 28

levators costraum i

Answer 28

rib below it

Question 29

leavtors costraum nerve

Answer 29

posterior rami of the thoracic spinal nerves

Question 30

levators costraum action

Answer 30

elevate the ribs inspiration

Question 31

serratus posterior superior o

Answer 31

lower portion of ligamentum nuchea , spinous process of C7-T3 , supraspinous ligaments

Question 32

sps i

Answer 32

upper border of ribs T2-T5

Question 33

sps nerve

Answer 33

intercostal nereves 2-5

Question 34

sps action

Answer 34

elevates the ribs 2-5

Question 35

spi o

Answer 35

spinous prcoesses of T11- L3 abd supraspinous ligaments

Question 36

spi i

Answer 36

lower border of ribs 9-12

Question 37

spi nerve

Answer 37

intercostal nerves 9-12

Question 38

spi action

Answer 38

depress ribs -12