GCSE Human Health and Physiology Practice Exam Question 4

Question 4 a Answers A = ligament holds bones together or stops dislocation B = cartilage prevents bones rubbing together or prevents bones hitting or shock absorber or allows smooth movement Extra information Allow function mark independent of name mark accept stretching to allow movement

Question 4 a Answers C = synovial fluid Smooth movement or lubricant or prevents bones hitting or shock absorber or allows smooth movement Extra information do not accept synovial membrane

Question 4 b (i) Answers Any one from: arthritis osteoporosis bone cancer Extra information accept osteo-arthritis accept rickets accept brittle bone disease accept any correctly named disease

Question 4 b (ii) Answers Any five from: descriptions e.g. flexible tube/optical fibre idea of photos/images can be taken/viewed camera through small incision/hole reference to named instruments Extra information maximum three descriptions accept can see inside body / joint

Question 4 b (ii) Answers advantages e.g. fewer stitches patient is mobile quicker / faster recovery less time in hospital no need for general anaesthetic less scar tissue less invasive lower risk of infection less painful reference to lower cost Extra information maximum three advantages do not accept general references to risk of surgery