What effect does alcohol have on driver behaviour?

1. A.It slows down a driver's reactions.
2. B.It can reduce a driver's confidence.
3. C.It can increase perception and awareness.
4. D.It does not affect driver behaviour or ability.

This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.