PNB Exam 4: ANS Questions and Answers 2024

PNB Exam 4: ANS Questions and Answers 2024 what type of response is does the ANS elicit -Answer-involuntary what type of tissue does the ANS innervate -Answer-visceral non-skeletal muscle 4 target organs of the ANS -Answer-cardiac muscle: control heart rate smooth muscle: circulatory system adipocytes: fat glands: endocrine + exocrine are ANS neurons excitatory or inhibitory -Answer-both where are preganglionic cell bodies located -Answer-gray matter of CNS ventral horn phrase to describe sympathetic nervous system -Answer-fight or flight phrase to describe parasympathetic nervous system -Answer-rest and digest feed and breed describe dual innervation -Answer-both divisions of the ANS innervate the same target tissues they balance and produce net activity -> resting tone enteric -Answer-gut/GI tract largest network of neurons in the body why are the enteric and iNANC their own divisions -Answer-they can fire action potentials on their own without input from the other ANS divisions iNANC -Answer-respiratory nervous system where do all the preganglionic cells originate -Answer-gray matter between T1 and L2 3 paths (locations of synapse) for postganglionic cells -Answer-sympathetic chain collateral ganglia adrenal gland where do most postganlgionic cells synapse -Answer-sympathetic chain where is the sympathetic chain -Answer-directly adjacent to spinal cord on both sides where do neurons from sympathetic chain inervate -Answer-head, heart, luungs lengths of neurons sympathetic chain -Answer-preganglionic: short postganglionic: long where are the collateral ganglia located -Answer-anterior to the spinal cord what are the 3 collateral ganglia -Answer-celia