BTEC Health And Social Care Final Review Exam And Answers Graded A+ 2024.

Information about genetics - Answer - Everyone is born with 23 pairs of chromosomes in each nucleus, that is in every living cell in the body - DNA = DeoxyriboNucleic Acid - DNA contains instructions for producing proteins. It is these proteins that regulate the development of a human being What is a Genetic Predisposition? - Answer A predisposition is the possibility that someone will develop a certain condition. A genetic predisposition means that they will inherit that possibility from one or both of their biological parents. Although genetics can not be modified, environmental factors can be altered to offer support and/or treatment to the individual. In short, genetic predisposition is the inherited genes that determine physical growth, development, health and appearance What is Cystic Fibrosis? - Answer - Caused by a faulty, recessive gene - this means that both parents must be carriers - When a recessive gene is present, there is a 1 in 4 chance that the child will be born with Cystic Fibrosis - Carried by as much as 4% of the UK population - It results in a defective protein being produced. This causes the lungs to become clogged with thick, sticky mucus - Can have problems absorbing nourishment from food - May also suffer from respiratory and chest infections - Modern medicine has enabled the extension of both their quality of life and their life expectancy - Physiotherapy helps clear the mucus from their lungs - Drugs can help control breathing and throat and lung infections - A special diet and drugs can also help with food absorption - In the future, it may become possible to use genetic therapy to replace the faulty gene