Sarah- Thoracic Wall And Organs

Front 1

Which branch of the thoracic spinal nerves provides motor to epaxial muscles?

Back 1

dorsal branches

Front 2

Which branch provides sensory innervation from skin via lateral cutaneous branches?

Back 2

dorsal branches

Front 3

Which branch becomes the intercostal nerves?

Back 3

ventral branches

Front 4

intercostal nerve innervation?

Back 4

motor innervation to the muscles of the thoracic wall

Front 5

what rises from the intercostal nerves?

Back 5

lateral and ventral cutaneous branches

Front 6

What branches carry sensory fibers from the skin of the thoracic wall?

Back 6

lateral and ventral cutaneous branches off of the ventral branches of thoracic spinal nerves

Front 7

What muscle is located on the inner ventral wall of the thoracic cavity?

action

Back 7

transversus thoracis m.

expiration

Front 8

How many pair or sternal and asternal ribs?

Back 8

sternal-9
asternal-4

Front 9

which ribs form the costal arch?

Back 9

10th, 11th, and 12th

Front 10

At which intercostal space is the olecranon located?

Back 10

5th

Front 11

Where do the intercostal ateries, veins, and nerves course?

Back 11

caudal borders of ribs

Front 12

dorsal border of thoracic cavity

Back 12

vertebral column and longus colli m.

Front 13

lateral border of thoracic cavity

Back 13

ribs and internal intercostal mm.

Front 14

ventral border of thoracic cavity

Back 14

sternum and transversus thoracis m.

Front 15

caudal border of thoracic cavity

Back 15

diaphragm

Front 16

cranial border of thoracic cavity

Back 16

thoracic inlet

Front 17

dorsal border of thoracic inlet

Back 17

T1 and longus colli m.

Front 18

lateral borders of thoracic inlet

Back 18

1st pair of ribs

Front 19

ventral borders of thoracic inlet

Back 19

1st sternebrae (manubrium)

Front 20

How far cranial does the diaphragm extend?

Back 20

6th or 7th rib

Front 21

How would you take a liver biopsy?

Back 21

go through the thoracic cavity (through the diaphragm) and into the abdominal cavity

Front 22

Which structures go through the diaphragm?

Back 22

esophagus, vena cava, aorta and nerves

Front 23

what lymph node is found caudal to the mandibular salivary gland?

Back 23

medial retropharyngeal ln.

Front 24

what lymph nodes are found cranial to the mandibular salivary glands?

Back 24

mandibular ln.

Front 25

what structure does the accessory nerve run across?

Back 25

omotransversarius m

Front 26

Name the connective tissue continuous with the cervical fascia found in the thoracic cavity.

Back 26

endothoracic fascia

Front 27

What is pleura?
made of?
produces?

Back 27

serous membrane
made of simple squamous epithelium
subserous connective tissue
produces serous fluid

Front 28

What is pleura's main function?

Back 28

lines the pleural cavities
allows for frictionless movement of lungs during breathing

Front 29

2 types of pleura

Back 29

visceral pleura
parietal pleura

Front 30

type of visceral pleura

Back 30

pulmonary pleura

Front 31

types of parietal pleura

Back 31

costal
diaphragmatic
mediastinal

Front 32

type of mediastinal pleura

Back 32

pericardial mediastinal pleura

Front 33

what is found in the pleural cavities?

Back 33

only serous fluid

Front 34

What is found within the mediastum

Back 34

heart
thymus
lymph nodes
aorta
trachea
esophagus
nerves
vessels

Front 35

Is the mediastinum symmetrical?

Back 35

no!

Front 36

types of parietal pleura

Back 36

costal
diaphragmatic
mediastinal

Front 37

type of mediastinal pleura

Back 37

pericardial mediastinal pleura

Front 38

what is found in the pleural cavities?

Back 38

only serous fluid

Front 39

What is found within the mediastum

Back 39

heart
thymus
lymph nodes
aorta
trachea
esophagus
nerves
vessels

Front 40

Is the mediastinum symmetrical?

Back 40

no! more lung load on right side

Front 41

regions of mediastinum

Back 41

cranial
middle
caudal

Front 42

When wont lungs collapse after impalement on one side of thorax?

Back 42

if mediastinum is still intact lungs on other side wont collapse

Front 43

are lungs confined to the thoracic cavity?

Back 43

no!

Front 44

what protects the lungs cranially?

Back 44

cupula pleura

Front 45

which lung extends more cranially?

Back 45

left!

Front 46

what does the plica vena cava surround?

Back 46

caudal vena cava
R. phrenic n.

Front 47

what forms the mediastinal recess?

Back 47

plica vena cava and mediastinum

Front 48

what is found in the mediastinal recess?

Back 48

accessory lobe of R.lung

Front 49

what is the line of pleural reflection?

Back 49

junction of costal and diaphragmatic pleura

Front 50

what is the most caudal extent of each pleural cavity?

Back 50

line of pleural reflection

Front 51

at what structure does the trachea bifurcate? into what?

Back 51

carina

bifurcates into R and L primary bronchi

Front 52

which bronchi course to the lung lobes?

Back 52

secondary(lobar) bronchi

Front 53

how many lobar bronchi go to the L and R lungs?

Back 53

L-2

R-4

Front 54

how many lobes in L and R bronchi?

Back 54

L-2

R-4

Front 55

hole in the diaphragm?

Back 55

esophageal hiatus

Front 56

left lung lobes

Back 56

cranial (cranial and caudal parts)
caudal

Front 57

right lung lobes

Back 57

cranial
middle
caudal
accessory

Front 58

What is the cardiac notch? where is it located?

Back 58

b/w cranial and middle lobes of R lung

at 4th and 5th intercostal spaces

Front 59

Where would you perform a pericardialcentisis?

Back 59

on R side b/w 4th and 5th intercostal spaces (b/w cranial and middlelung lobes)

Front 60

pulmonary ligaments

where?
what for?

Back 60

connect caudal lung lobes to the mediastinum

stabalization

Front 61

cranial auscultation border

Back 61

5th rib (caudal border of triceps)

Front 62

dorsal border of auscultation

Back 62

lateral margin of epaxial muscles

Front 63

caudal border of auscultation

Back 63

caudal border of lungs

Front 64

landmarks of caudal border of auscultation

Back 64

costochondral junction of 6th rib
middle of 8th rib
11th IC space

Front 65

2 recesses in thoracic cavity

Back 65

costodiaphragmatic recess
costomediastinal recess

Front 66

constodiaphragmatic recess
formed by?

Back 66

formed by reflection of diaphragmatic and costal pleura

Front 67

costomediastinal recess
formed b/w? located?

Back 67

formed b/w the ventral mediastinum and lateral thoracic walls

locates ventral to lungs

Front 68

thymus? size, components
location
function

Back 68

glandular structure (lymphoepithlial organ) located b/w thoracic inlet and pericardium

right and left lobes

largest at puberty

trains T-cells

Front 69

landmark for sternal lymph nodes?

Back 69

@ 2nd rib near internal thoracic artery near sternum

Front 70

sternal lymph nodes recieve lymph from?

Back 70

muscles of ventral chest wall, diaphragm, mediastinum, and 1st 3 pair of mammary glands

Front 71

constodiaphragmatic recess
formed by?

Back 71

formed by reflection of diaphragmatic and costal pleura

Front 72

costomediastinal recess
formed b/w? located?

Back 72

formed b/w the ventral mediastinum and lateral thoracic walls

locates ventral to lungs

Front 73

thymus? size, components
location
function

Back 73

glandular structure (lymphoepithlial organ) located b/w thoracic inlet and pericardium

right and left lobes

largest at puberty

trains T-cells

Front 74

landmark for sternal lymph nodes?

Back 74

@ 2nd rib near internal thoracic artery near sternum

Front 75

sternal lymph nodes receive lymph from?

Back 75

muscles of ventral chest wall, diaphragm, mediastinum, and 1st 3 pair of mammary glands

Front 76

lymph nodes near bifurcation of trachea into primary bronchi?

Back 76

tracheobronchial lymph nodes

Front 77

tracheobronchial ln.
drains?
into?

Back 77

drains lungs and mediastinal structures

into cranial mediastinal ln.

Front 78

lymph nodes located near vessels of the heart?

Back 78

cranial mediastinal ln.

Front 79

what structures to the cranial mediastinal lymph nodes drain?

Back 79

structures in mediastinum( and tracheobronchial ln) and deep muscles of the base of the neck

Front 80

thoracic lymph nodes drain into?

Back 80

veins @ thoracic inlet

Front 81

beginning and end of esophagus?

location relative to trachea in cervical region? (more R or L)?
location relative to trachea in thoracic region?

Back 81

axis to T13

more dorsal and to the left in cervical region

more to the left and dorsal in thoracic region

Front 82

tunica muscularis in cat and dog?

Back 82

dog-whole length of esophagus

cat-transition between skeletal and smooth muscle ( esophageal mucosa)
(last 1/3 of esophagus is smooth muscle)

Front 83

esophageal mucosa?

Back 83

in cats- have longitudinal and transverse folds (herringbone pattern) of last 1/3 of esophagus