Great Britain Theory Test Coach
Incidents and emergenciesQuestion 422 of 424

How deep should you press on an adult's chest during CPR?

  1. About 1 to 2 centimetres
  2. About 10 centimetres
  3. About 5 to 6 centimetres
  4. About 3 millimetres
Show answer

Correct answer: About 5 to 6 centimetres

Press hard and fast, in the centre of the chest, about twice a second.

Source: The Highway Code (Department for Transport, GOV.UK), Annex 7. First aid on the road, 4. Provide emergency care

Practice incidents and emergencies

Questions last reviewed: 18 October 2026