Last lecture exam 1

Question 1

name cutaneous muscles of the trunk

Answer 1

cutaneous trunci, cutaneous omobranchialis, preputial muscle, supramammary

Question 2

epaxial muscle definition

Answer 2

lie dorsal to the transverse process of vertebrae, parallel muscles, extend vertebral column

Question 3

innervation of epaxial muscles

Answer 3

dorsal branches of spinal nerves

Question 4

transversospinalis system

Answer 4

epaxial m, between the transverse process and spine of the vertebrae, most medial

Question 5

longissimus system

Answer 5

epaxial m, longest, intermediate group

Question 6

iliocostalis system

Answer 6

epaxial muscle, most lateral

Question 7

hypaxial m definition

Answer 7

lie ventral to the process of the vertebrae

Question 8

innervation of hypaxial m

Answer 8

ventral branches of spinal nerves

Question 9

muscles of inspiration

Answer 9

diaphragm, scalenus, serratus dorsalis cranialis

Question 10

muscles of expiration

Answer 10

serratus dorsalis caudalis, external abdominal oblique

Question 11

inspiration facts

Answer 11

active process, enlarge thorax cavity to get air in, rotate ribs craniolaterally

Question 12

expiration facts

Answer 12

largely passive, diminish thoracic cavity expelling air, rotate ribs caudomedially

Question 13

fiber direction of external intercostal m

Answer 13

caudoventrally

Question 14

fiber direction of intercostal m

Answer 14

caudodorsally

Question 15

cranial border thoracic cavity

Answer 15

thoracic inlet

Question 16

dorsal border thoracic cavity

Answer 16

thoracic vertebral bodies

Question 17

ventral border thoracic cavity

Answer 17

sternum

Question 18

caudal border of thoracic cavity

Answer 18

diaphragm

Question 19

lateral border of thoracic cavity

Answer 19

ribs, costal cartilage, intercostal muscles

Question 20

dorsal thoracic inlet border

Answer 20

body of first thoracic vertebrae

Question 21

lateral thoracic inlet border

Answer 21

first pair of ribs and their costal cartilages

Question 22

ventral thoracic inlet border

Answer 22

first sternebra

Question 23

thoracic cavity contents

Answer 23

trachea, lungs, heart, thymus, esophagus, lymph nodes, vessels, nerves, plural cavities, pericardial cavity

Question 24

thoracic inlet contents

Answer 24

trachea esophagus vagosympathetic nerve trunk recurrent laryngeal nerves, phrenic nerves, ventral branches of T1/2 spinal nerves, blood vessels and pleural cupulae

Question 25

lumbocostal arch

Answer 25

sympathetic trunk and major splanchnic nerve

Question 26

aortic hiatus

Answer 26

aorta, azygos vein, and thoracic duct

Question 27

esophageal hiatus

Answer 27

esophagus, dorsal, ventral vagal trunks

Question 28

caval foramen

Answer 28

caudal vena cav

Question 29

endothoracic fascia

Answer 29

connective tissue lining the thoracic cavity and attaching to pleura to the thoracic wall and diaphragm

Question 30

mediastinum definition

Answer 30

space between left and right pleural sacs

Question 31

mediastinum contents

Answer 31

thymus, lymph nodes, heart, aorta, trachea. esophagus, nerves and vessels

Question 32

visceral pleura

Answer 32

pulmonary pleura, lines the lungs

Question 33

parietal pleura

Answer 33

costal pleura, mediastinal pleura, diaphragmatic pleura

Question 34

connecting plurea

Answer 34

ligaments and folds

Question 35

open pneumothorax

Answer 35

parietal pleura ruptures

Question 36

closed pneumothorax

Answer 36

visceral pleura is ruptured

Question 37

connecting pleura

Answer 37

doubled layered folds of pleura

Question 38

plica venae cava

Answer 38

a fold of the right mediastinal pleura that envelops the caudal vena cava and right phrenic nerve

Question 39

line of pleural reflection

Answer 39

junction between costal and diaphragmatic pleura

Question 40

costodiaphragmatic recess

Answer 40

potential space where the diaphragmatic and costal parietal pleura are in contact with each other

Question 41

number of lobe in left lung

Answer 41

2

Question 42

names of lobes in left lung

Answer 42

cranial caudal lobes

Question 43

parts of cranial lobe left lung

Answer 43

cranial and caudal parts

Question 44

number of lung lobes in right lung

Answer 44

4

Question 45

names of right lung lobes

Answer 45

cranial, caudal, middle, accessory lobes

Question 46

cardiac notch

Answer 46

where heart can be accessed with a needle without hitting the lungs, 4th5th intercostal space