CNS & PNS Histology & Physiology - BM5 NLM1

1. How do inhibitory synapses act?

  • They depolarise the membrane, hence making the resting membrane potential more negative
  • They hyperpolarise the membrane, hence making the resting membrane potential more negative
  • They depolarise the membrane, hence making the resting membrane potential more positive
  • They hyperpolarise the membrane, hence making the resting membrane potential more positive
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Other questions in this quiz

2. What are microglia?

  • Resident macrophages found in the CNS
  • Resident macrophages found in the PNS
  • The site of signal processing in the CNS
  • The site of signal processing in the PNS

3. There are multiple types of synapse. Which of the following is the most common?

  • Axo-dendritic
  • Axo-somatic
  • Axo-axonic
  • Axo-passivic

4. What makes up the PNS?

  • Somatic, autonomic & enteric nervous systems
  • Sensory, motor & enteric nervous systems
  • Brain & spinal cord
  • Parasympathetic, sympathetic & enteric nervous systems

5. Which of the following statements about axo-somatic synapses is true?

  • They're normally explosive
  • They're normally implosive
  • They're normally inhibitory
  • They're normally excitatory

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