difference somatic & autonomic nervous sys. (phy)

The exercise was created 2024-03-18 by feliciajonsssson. Question count: 22.

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  • location of the highest centre in SNS cerebral cortex
  • location of the highest centre in ANS hypothalamus
  • ANS is a conscious nervous system: TRUE/FALSE false
  • Location of the lowest centre in SNS (4 words) the hole spinal cord
  • Location of the lowest centre in ANS (4 words) parts of spinal cord
  • what parts of the spinal cord is the ANS´s lowest centres: (segment number of the cord, ) thoracic 9-20, lumbar 21-25, sacral 26-30
  • Location of Efferent (from CNS/ANS) neuron cell body in SNS: ... ... (... part) anterior horn (lower part)
  • Location of Efferent (from CNS/ANS) neuron cell body in ANS: ... ... (... part) lateral horn (middle part)
  • Efferent pathway (how many neurons) in SNS 1
  • Efferent pathway (how many neurons) in ANS 2
  • name of the 2 neurons in ANS and how they go/where located: name (how thay go), name (where located) preganglionic neuron (leaves spinal cord), postganglionic neuron (outside spinal cord)
  • Nerve fibre type (efferent part) for SNS A alpha fibre, A gamma fibre
  • Nerve fibre type (efferent part) for preganglionic- and postganglionic fibre for ANS B fibre, C fibre
  • Effector (“what it acts on”) for SNS skeletal muscles
  • Effector (“what it acts on”) for SNS (3st) cardiac muscle cells, smooth muscle cells, secretory muscle cells
  • in SNS what type of fibre innervates the extrafusal fibre ("normal" muscle fibre) A alpha fibre
  • in SNS what type of fibre innervates the intrafusal fibre (muscle spindle) A gamma fibre
  • Neurotransmitters and receptors in synapse for SNS: neurotransmittor, receptor (type of receptor) acetylcholine, nicotinic receptor (ionotropic)
  • Neurotransmitters and receptors in synapse for ANS: neurotransmittor, receptor (type of receptor) (detta gånger 2) acetylcholine, muscarinic receptor (metabotropic), norepinephrine & epinephrine, alpha- or beta adrenergic receptor (metabotropic)
  • neurotransmitters in SNS can both excite and inhibit: TRUE/FALSE false
  • neurotransmitters in ANScan both excite and inhibit: TRUE/FALSE true
  • In which SNS or ANS is Co-transmission possible? ANS

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