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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-PX-EC-0011 markL1 FoundationCalculatorECG traces
An ECG shows R peaks 0.800.80 s apart. Calculate the heart rate in beats per minute.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0021 markL1 FoundationCalculatorECG traces
A heart beats at 7272 bpm. Calculate the time between R peaks in s.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0031 markL1 FoundationCalculatorHeart signals
The QRS complex on an ECG corresponds to
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0041 markL1 FoundationCalculatorECG traces
Conducting gel is used between ECG electrodes and the skin to
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0061 markL1 FoundationCalculatorHeart signals
The T wave represents
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0081 markL1 FoundationCalculatorECG traces
An ECG amplifier must have a high input impedance so that it
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-X011 markL1 FoundationCalculatorECG traces
R peaks are 0.600.60 s apart. Calculate the heart rate in bpm.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-X031 markL1 FoundationCalculatorHeart signals
The P wave on an ECG shows
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-X041 markL1 FoundationCalculatorECG traces
Before attaching ECG electrodes, the skin is cleaned in order to
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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0051 markL2 StandardCalculatorECG traces
An ECG signal of 1.01.0 mV is amplified to 1.01.0 V. Calculate the voltage gain.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-X022 marksL2 StandardCalculatorECG traces
ECG paper moves at 2525 mm s⁻¹ and R peaks are 2525 mm apart. Calculate the heart rate in bpm.

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Salam Academy Original Practice · Proposed mark scheme
SA-PX-EC-0072 marksL3 ExamCalculatorECG traces
ECG paper moves at 2525 mm s⁻¹. Successive R peaks are 2020 mm apart. Calculate the heart rate in bpm.

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Salam Academy Original Practice · Proposed mark scheme