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Nervous Coordination

Quiz by Alice Brade

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8 questions
Show answers
  • Q1
    Which part of the neurone secretes myelin?
    Node of Ranvier
    Axon
    Schwann cell
    Dendrite
    30s
  • Q2
    Sensory neurones transmit impulses from...
    An intermediate neurone to a receptor
    An effector to an intermediate neurone
    One neurone to another
    A receptor to an intermediate or motor neurone
    30s
  • Q3
    The sodium potassium pump in an axon membrane moves....
    2 sodium ions in and 3 potassium ions out
    3 sodium ions out and 2 potassium ions in
    2 sodium ions out and 3 potassium ions in
    3 sodium ions in and 2 potassium ions out
    30s
  • Q4
    At rest an axon membrane is said to be....
    Hyperpolarised
    Polarised
    Repolarised
    Depolarised
    30s
  • Q5
    The resting membrane potential difference measures about
    -65mv
    +65mv
    +40mv
    -40mv
    30s
  • Q6
    The movement of which ions causes depolarisation?
    Potassium ions in
    Sodium ions in
    Sodium ions out
    Potassium ions out
    30s
  • Q7
    Ion channels in the axon membrane are ....
    Chemical gated
    Stretch mediated
    Voltage gated
    Pressure gated
    30s
  • Q8
    Which of these does NOT increase the speed of the action potential?
    A larger diameter axon
    A smaller diameter axon
    Presence of a myelin sheath
    Increase in temperature
    30s

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