The Thorax Flashcards Preview

Anatomy > The Thorax > Flashcards

Flashcards in The Thorax Deck (52):
1

Where is the tricispid valve heard best ?

left of the lower part of the sternum near the 5th intercostal space

2

Where is the mitral valve heard best?

heard over the apex of the heart in the left 5th intercostal space at the mid clavicular line

3

Where is the pulmonary valve heard best ?

medial end of the left second intercostal space

4

The aortic valve is heard best ?

medial end of the right second intercostal space

5

Where is the aortic valve in the body

left part of mid sternum

6

Where is the tricuspid valve in the body

right lower/mid sternum

7

Where is the mitral valve in the body

right above the left 4th rib

8

Where is the pulmonary valve in the body

right on the 3rd rib left side

9

arterial supply of the SA/AV nodes

Right coronary artery

10

arterial supply of the AV bundle

usually left coronary artery

11

vascular supply to esophagus is

esophageal arteryes off the arota

12

esophagus drains to what veins

azygous system

13

What is the dermatome of the nipple

T4

14

What is the deratome of the xiphoid process

T6

15

Umbilicus is what dermatome

T10

16

three major functions of the thorax

conduit, breathing and protection of vital organs

17

boundaries of the superior thoracic aperature

body of T1, medial margin of Rib 1, and the manubrium

18

boundaries of inferior thoracic aperature

body of T12, rib 12 and rib 11, cartilagenous ends of rib 7-10 and xiphoid process (bounded by diaphgram

19

the inferior vena cava pierces the central tendon of the diaphragm to enter the abdomen at what vertebral level

T8

20

Significance of T4/T5 level ?

sternal angle
rib 2
seperates superior and inferior mediastinum
arch of aorta begins and ends
where superior vena cava penetrates pericardium, trachea bifurcation, limit of pulmonary trunk

21

arterial supply to the breast

axillary artery, internal thoracic, and 2-4 intercostal arteries

22

venous drainage of the breast

drains to axillary, internal thoracic and intercostal veins

23

innervation of the breast

anterior and lateral cutaneous branches of the 2nd-6th intercostal nerves

24

ligaments associated with the ribs

costotransverse ligament-neck of the rib to transverse process
lateral costotransverse ligament- tubercle to transverse process
superior costotransverse ligament-superior surface of neck to transverse process of vertebra above

25

manubrium and the xiphisternal joints are what type

symphyses

26

what ribs are true ribs

1-7

27

what ribs are false ribs ?

8-10

28

what ribs are floating ribs

11-12

29

demifacets are located where?

body of the vertebrae

30

internal thoracic artery bifurcates where ?

7th intercostal space

31

when the internal thoracic artery bifurcates what are the two terminal branches

musculophrenic and superior epigastric arteries

32

which muscles function in expiration

internal intercostals along with tranversus thoracis, innermost intercostals and subcostales

33

which muscles function in inspiration

external intercostales

34

posterior intercostal circulation

supreme intercostal (first 2 off the costocervical trunk) and the rest come off the thoracic aorta

35

the internal thoracic artery and vein are a branch off the

brachiocephalic vein and artery

36

ribs 2-4 are drained by

right superior intercostal vein to azygous and the left superior intercostal vein to brachiocephalic

37

azygous vein

drains the posterior intercostal veins which drain into the superior vena cava

38

accessory hemiazygous

drains upper ribs on left

39

hemiazygous

drains lower ribs on left

40

intercostal muscles are innervated by

anterior rami of spinal nerves T1-T11

41

lymphatic drainage of thoracic wall

patasternal, intercostal and diaphgramatic nodes

42

the parasternal lymph nodes drain into

bronchomediastinal trunks

43

the intercostal nodes drain into

thoracic duct

44

Things that pass through near or around the diaphragm

IVC at T8
esophagus and vagus at T10
aorta and thoracic duct at T12 (azygous and hemiazygous)

45

arterial supply of diaphragm

pericardiophrenic, muscuophrenic and superior phrenic and inferior phrenic arteries

46

venous drainange of diaphragm

azygous system, brachiocephalic and abdominal veins

47

the visceral pleura is innervated by...

visceral afferent fibers from pulmonary plexus, no Pain

48

lateral diaphragmatic pleura and mediastinal is innervated by

phrenic nerve

49

blood supply to the lungs

right bronchial artery from 3rd intercostal
superior left and inferior left off aorta

50

what supplies the bronchopulmonary segments

segmental bronchi

51

four areas of constriction for esophagus

pharynyx
arch of aorta
left main bronchus
esophageal hiatus at diaphragm

52

lymphatic drainage of the pericardium

lateral percardiophrenic, and superior phrenic to brachiocephalic lymph nodes