Sam fell off his bike and cut his forearm badly. A doctor finds that a nerve running through his forearm to his hand has been cut.
Explain which division of the nervous system the cut nerve belongs to. Predict one effect the injury could have on Sam's hand, giving a reason.
30 exam-style questions on OCR GCSE Psychology 2.1 Key Concepts, covering 2.1.1 Stages of development, 2.1.2 Brain development and the nervous system, and 2.1.3 IQ tests as a measure of intelligence. Each one has a worked solution and a mark scheme showing where the marks go.