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Sympathetic nervous system: Quiz


Question 1:
How do you write Sympathetic nervous system in latin?
Pars sympathica divisionis autonomici systematis nervosi
glandula pituitaria, pars nervosa
pars triangularis gyri frontalis inferioris
pars anterior dorsi linguae

Question 2: The first cell (the presynaptic cell) sends a ________ across the synaptic cleft where it activates the second cell (the postsynaptic cell).

Question 3: An exception is with sweat glands which receive sympathetic innervation but have ________ acetylcholine receptors which are normally characteristic of Parasympathetic nervous system.
5-HT1A receptorMuscarinic acetylcholine receptor5-HT receptorHistamine H3 receptor

Question 4: At the synapses within the ganglia, preganglionic neurons release ________, a neurotransmitter which activates nicotinic acetylcholine receptors on postganglionic neurons.
KetamineKynurenic acidAcetylcholineDextromethorphan

Question 5: In response to this stimulus postganglionic neurons - with two important exceptions - release norepinephrine, which activates ________ on the peripheral target tissues.
Alpha-1 adrenergic receptorDopamine receptorAdrenergic receptorAlpha-2 adrenergic receptor

Question 6: Fibers from the SNS innervate tissues in almost every organ system, providing at least some regulatory function to things as diverse as ________ diameter, gut motility, and urinary output.
Ciliary muscleRetinaIris dilator musclePupil

Question 7: Generally, it works to mobilize the body's resources for action under stress - as in the ________ - and so may be thought to counteract the parasympathetic system, which generally works to promote maintenance of the body at rest.
Fight-or-flight responseBrainStress (biology)Epinephrine

Question 8: It is, however, constantly active at a basal level in order to maintain ________.
Computational neuroscienceHomeostasisCyberneticsClaude Bernard

Question 9: The sympathetic nervous system (SNS) is one of the three parts of the ________, along with the enteric and parasympathetic systems.
Autonomic nervous systemSubmandibular ganglionOtic ganglionNerve

Question 10: The first synapse (in the sympathetic chain) is mediated by nicotinic receptors physiologically activated by acetylcholine, and the target synapse is mediated by ________ physiologically activated by either noradrenaline (norepinephrine) or adrenaline (epinephrine).
Dopamine receptorAlpha-1 adrenergic receptorAlpha-2 adrenergic receptorAdrenergic receptor

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