Lec 9/15

Question 1

sympathetic nervous system is also known as

Answer 1

thoraco-lumbar system cuz preganglionic cell bodies orginate in lateral (intermediate) horn of spinal segment T1-L2

Question 2

what characteristics of parasympathetic?

Answer 2

not present in limbs, forcibly brings body back to homeostasis

Question 3

what are characteristics of enteric?

Answer 3

found in digestive system and self regulates motility. (Auerbach’s and Meissner’s plexus)

Question 4

is there a synapse in a signal transferred from spinal cord to skeletal muscle (somatic efferent)?

Answer 4

no

Question 5

where is origin of somatic efferent (motor neuron)?

Answer 5

ventral horn

Question 6

is there a synapse in a signal transferred from spinal cord to blood vessel, sweat gland (visceral efferent)?

Answer 6

yes

Question 7

where is origin of visceral efferent motor?

Answer 7

intermediate horn

Question 8

what is pathway of sympathetic neurons?

Answer 8

starts at intermediate horn, travels thru ventral root and white ramus communicans, synapse at ganglion, and then travel thru gray ramus communicans and ventral primary ramus

Question 9

what is foregut composed of?

Answer 9

(8)pharynx, esophagus, stomach, spleen, liver, gall bladder, pancreas, first 1/3 of duodenum

Question 10

what is midgut composed of?

Answer 10

(7) rest 2/3 of duodenum, jejunum, ileum, cecum, appendix, ascending colon, first 1/3 of transverse colon

Question 11

what is hindgut composed of?

Answer 11

(5)last 2/3 of transverse colon, descending colon, sigmoid colon, rectum, anus