This quiz has been taken 110 times.
Average score: 61%
Which of the following statement is true with regard to graded potential?
The correct answer is "Graded potentials are proportional to the stimulus strength"
Which part of the action potential is produced by the rapid influx of sodium?
The correct answer is "Depolarisation"
During which part of action potential, the slow voltage gated K + channels close and the Na+ K+ ATPase pump fully restor
The correct answer is "After-hyperpolarisation"
The absolute refractory period is due to
The correct answer is "High number of sodium channels that have their inactivation gate closed"
Which physiological mechanism is responsible for one way propagation of action potential?
The correct answer is "Absolute refractory period"
An insulating lipid elaborated by oligodendrocytes centrally or Schwann cells peripherally that surrounds the axons
The correct answer is "Myelin"
Which part of the synapse is depolarised by an action potential to trigger the subsequent events of synaptic transmissio
The correct answer is "Presynaptic cell terminal"
Which is the storage site for neurotransmitter before release?
The correct answer is "Synaptic vesicles"
Which part of the synapse is known as the synaptic gap or gutter?
The correct answer is "Synaptic cleft"
The neurotransmitter molecules cross the synaptic cleft by
The correct answer is "Passive diffusion"