The graph shows some blood pressure changes that occur in a human during one cardiac cycle. [Figure 33.1] When does systole start and end in the right atrium and in the right ventricle?
✓ Correct Answer
The correct answer is A: in right atrium systole starts: T, systole ends: V, in right ventricle systole starts: V, systole ends: X
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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