All the statements reg. sympathetic. stimulation to heart are correct EXCEPT
a) it increases heart rate b) it increases force of contraction c) it causes dilatation of coronary vessels d) post-ganglionic fibers arise from cervical and upper thoracic ganglion. e) pre-ganglionic fibers arise from all cervical and upper thoracic spinal cord segments
mjl1717 Forum Hero
Topics: 958 Posts: 5,463
01/16/04 - 10:30 AM
#2
answer-e ___________________ Smell the coffee! "Is That an Osler move??"
meg Forum Guru
Topics: 62 Posts: 806
01/16/04 - 10:47 AM
#3
agree. T1 - L2 are the preganglionic segments from the spinal cord out of which T1 - T4 are for the heart through superior, middle and inferior cervical ganglia
