Neurotransmitter MCQ 7+

Test your knowledge with important Neurotransmitter MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 37 + more Neurotransmitter MCQs at Bissoy

• Slowly acting neurotransmitters are
  ক

  Insulin

  খ

  Thyrotropin

  গ

  Nitric oxide

  ঘ

  TSH

  ঙ

  GABA
• Acetylcholine is secreted at the endings of the
  ক

  Preganglionic sympathetic fibres

  খ

  Preganglionic parasympathetic fibres

  গ

  Preganglionic sympathetic fibres to the adrenal medulla

  ঘ

  Preganglionic sympathetic fibres supplying the skin blood vessels

  ঙ

  All postganglionic parasympathic neurons
• The neurotransmitter system implicated anxiety are
  ক

  GABA

  খ

  Serotonin

  গ

  Acetylcholine

  ঘ

  Noradrenaline

  ঙ

  Glycine
• Gamma amino butyric acid
  ক

  Increases K+ conductance in neurons

  খ

  Increases Cl- permeability in neurons

  গ

  Produces hyperpolarization of neurons

  ঘ

  Increases Na+ influx into neurons

  ঙ

  Decreases K+ efflux from neurons
• Gamma amino butyric acid (GABA)
  ক

  Increases chloride permeability in the neurons

  খ

  Acts on post-synaptic membranes

  গ

  Has its action terminated by reuptake into neurons

  ঘ

  Is an excitatory transmitter at the CNS

  ঙ

  Has its action selectively blocked by strychnine
• The neurotransmitter at
  ক

  Sympathetic postganglionic nerve ending is noradrenaline

  খ

  Parasympathetic ganglion is acetylcholine

  গ

  Sympathetic postganglionic to sweat gland is acetylcholine

  ঘ

  Sympathetic preganglion is noradrenaline

  ঙ

  Neuromuscular junction is noradrenaline
• The postsynaptic neuron becomes fatigued after repeatative stimulation of an excitatory synapse at a rapid rate. This is due to
  ক

  Exhaustion of neurotransmitter store in presynaptic terminal

  খ

  Progressive inactivation of many postsynaptic receptors

  গ

  Slow development of abnormal concentration of ions in postsynaptic neurons

  ঘ

  Decrement of number of calcium channels of presynaptic terminal

  ঙ

  Increment of cholinesterase in synaptic cleft