ospe revision call

Question 1

what is the order of the dermis from outermost to innermosr

Answer 1

stratum corneum
lucidum 
granulosum 
spinosum 
basale

Question 2

what does the gut tube form from

Answer 2

endoderm, foregut, hindgut, midgut

Question 3

where does the resp system start from the gut rube

Answer 3

foregut

Question 4

what does the splanchnic layer form

Answer 4

visceral layer of pleura

Question 5

what does the somatic layer form

Answer 5

the parietal pleura

Question 6

what does the septum transversum form

Answer 6

the central tendon of the diaphragm

Question 7

what forms the diaphragmatic crura

Answer 7

the dorsal mesentery is covered by skeletal muscle from the periphery to form the diaphragmatic crura

Question 8

what does the fibrous pericardium and parietal layer of serous form from

Answer 8

somatic mesoderm

Question 9

what does the foramen ovale give rise to

Answer 9

the fossa ovalis

Question 10

what are the early pacemaker cells

Answer 10

cardiomyocytes

Question 11

what does the AV node and bundle develop from

Answer 11

cells of AV canal and sinus venosum

Question 12

what does the bulbis cordis give rise to

Answer 12

right ventricle

parts of the outflow tracts

Question 13

what does the primitive ventricle give rise to

Answer 13

left ventricle

right ventricle

Question 14

what does the primitive atrium give rise to

Answer 14

parts of the right and lkeft atria

Question 15

what does the sinus venosus give rise to

Answer 15

superior vena cava
right artrium
inferior vena cava

Question 16

what does the 4th aortic arch form

Answer 16

the right subclavian artery

Question 17

what does the 6th right aortic arch form

Answer 17

right pulmonary artery

Question 18

what does the 6th left aortic arch form

Answer 18

the left pul artery and ductus arteriosus

Question 19

what does the ductus venosus do

Answer 19

shunts blood in left umbilical vein into IVC: allows oxygenated blood from the placenta to bypass liver. becomes ligamentum venosum

Question 20

what does the foramen ovale do

Answer 20

shunts blood from right atrium to left atrium: allows blood to bypass the lungs, becomes fossa ovalis

Question 21

what is the ductus arteriosus

Answer 21

shunts blood from pulmonary arteries to aorta: allows blood to bypass the lungs. becomes ligamentum arteriosum

Question 22

how many joints does the biceps cross

Answer 22

3

Question 23

how many joints does the biceps cross

Answer 23

3

Question 24

what information does the dorsal root carry

Answer 24

sensory

Question 25

what info does the ventral root carry

Answer 25

motor

Question 26

what do the rami carry

Answer 26

mixed nerves

Question 27

where does the spinal chord end

Answer 27

L1-2

Question 28

WHAT IS THE HORSE TAIL OF THE SPINAL CHORD

Answer 28

cauda equina

Question 29

what do u call the lower end of spinal chord

Answer 29

conus medullaris