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Bilik darjah
Ikut Turutan
Universiti
Sains
Generation of action potential
MASPAITILLA MA
61
Masalah tambahan (10/ 20)
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# 1

pilihan

Axon membrane potential when there is no impulse transmitted?

  • 70 mV
  • -70 mV
  • -55 mV
  • +35 mV

# 2

pilihan

Which of the following can trigger formation of action potential in axon membrane?

  • Depolarization
  • Repolarization
  • Threshold level
  • Stimulus

# 3

pilihan

Which of the following transport protein in axon membrane will be opened when stimulus is presence?

  • Voltage-gated Na+ channel
  • Voltage-gated K+ channel
  • Sodium-potassium pump
  • Non-voltage Na+ channel

# 4

pilihan

Which of the following is the phase of axon membrane potential become more positive due to surge of Na+ inflow?

  • Rising phase of action potential
  • Falling phase of action potential
  • Resting state
  • Undershoot
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