lesson 24

Question 1

Answer 1

Question 2

what is the orange part what is the light green part and what is the dark green part?

Answer 2

orange- abdominal cavity
light green- greater (false) pelvis
dark green- lesser (true) pelvis

Question 3

Answer 3

Question 4

Answer 4

• much shorter anteriorly longer posteriorly

Question 5

Answer 5

• the right dome is more superior due to the presence of the liver

Question 6

Answer 6

Question 7

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

these are bilateral so be specific on the lab exam

Answer 10

phrenic means of or relating to the diapgragm

Question 11

What specific spinal nerves contribute to the formation of the phrenic nerves which are what?

Answer 11

C3, C4, C5 keeps the diaphragm alive

Question 12

what is the function of the respiratory diaphragm?

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 17

In what direction do the fibres of the external oblique move?

Answer 17

fibers start superior lateral aspect then obliqly travel to a medial and inferior aspect

Question 18

what fiber direction do internal olbique travel?

Answer 18

Start more laterally and inferiorly and obliquely travel in a medial and superior direction

Question 19

What direction for transverses abdominis travel?

Answer 19

travel on the transverse plane and more horizontal

Question 20

Question 21

what is aponeurois

Answer 21

a sheet of white fibrous tissue that takes the place of a tendon in flat muscles having a wide area of attachment

Question 22

Answer 22

Question 23

the rectus sheath spans from what to what on our body?

Answer 23

xiphoid process to the pubic crest

Question 24

what do we need to know about the rectus sheath and what is imortant to note about inferior muscles after the umbilicus cord?

Answer 24

Question 25

what do each of these sheets contibute too, posterior, anterior wall?, or both?

Answer 25

Question 26

Answer 26

Question 27

Answer 27

• below the arcuate line, we do not see a rectus sheath
• but we can see transversal fascia on the posterior side
• The deepest structure is the parietal peritoneum but don’t need to know

Question 28

Answer 28

Question 29

What are the function of the abdominal wall muscles?

Answer 29

rectus abdominus = RA

EO= external olblique

IO=internal oblique

Question 30

Answer 30

hiatus means natural openings

Question 31

Question 32

where is rectal hiatus and the urogenital hiatus location?

Answer 32

rectal hiatus is more superior and urogenital hiatus is more inferior

Question 33

what are the functions of the pelvic diaphragm ?

Answer 33

• can actively contract to increase support