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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-AB-NE-0011 markL1 FoundationCalculatorAction potentials

During depolarisation,

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0031 markL1 FoundationCalculatorAction potentials

Resting potential −70 mV; peak +40 mV. What is the change in potential (mV)?

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0021 markL2 StandardCalculatorAction potentials

The resting potential is maintained partly by

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0041 markL2 StandardCalculatorConduction

Saltatory conduction is faster because

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0052 marksL2 StandardCalculatorConduction

An impulse travels 0.60 m at 30 m s⁻¹. Calculate the time taken (ms).

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0071 markL2 StandardCalculatorConduction

The refractory period ensures that

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0081 markL2 StandardCalculatorSynapses

Arrival of an impulse at the presynaptic knob causes

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0091 markL2 StandardCalculatorSynapses

Acetylcholinesterase

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SA-AB-NE-0111 markL2 StandardCalculatorAction potentials

"All-or-nothing" means

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0121 markL2 StandardCalculatorSynapses

Synapses ensure one-way transmission because

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0062 marksL3 ExamCalculatorConduction

The refractory period is 2 ms. Calculate the maximum frequency of impulses (Hz).

Salam Academy Original Practice · Proposed mark scheme

SA-AB-NE-0101 markL3 ExamCalculatorSynapses

Organophosphate insecticides inhibit AChE. The effect is

Salam Academy Original Practice · Proposed mark scheme