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Exercise and reference answers

Questions

1. Answer

   4

   Question

   Chambers in the human heart

2. Answer

   2

   Question

   Cusps on the mitral valve

3. Answer

   3

   Question

   Cusps on the tricuspid valve

4. Answer

   225

   Question

   Milliseconds from SA firing to ventricle depolarisation

5. Answer

   50

   Question

   Beats per minute below which bradycardia is called

6. Answer

   220

   Question

   Maximum impulses per minute the AV node can pass

Instructions

Type the number only.

Explanation