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GCE MAY 2010 : AS, 14 Understanding Human Physiology

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2010 assessing Unit 14: Understanding Human Physiology [A3H81] A3H81 Assessment Unit AS 14 *A3H81* Health and Social Care THURSDAY 27 MAY, AFTERNOON TIME 2 hours. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Write your answers in the spaces provided in this question paper. Answer all four questions. INFORMATION FOR CANDIDATES The total mark for this paper is 100. Quality of written communication will be assessed in questions 2(b), 3(a)(iii), 3(b), 4(a)(iii) and 4(b)(iii). Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. For Examiner s use only Question Number 1 2 3 4 Total Marks 5185 Marks 1 (a) This is a diagram of a typical human body cell. Examiner Only Marks A C B Introduction to Advanced Biology by CJ Clegg, published by Hodder Education, 2000, ISBN 978 07195 76713. Reproduced by permission of Hodder & Stoughton Ltd Write down the name and one function of A, B and C. A Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] B Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] C Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] 5185 2 Remark (b) This is a diagram of the human ear. Examiner Only Marks Remark A B D (auditory nerve) C (cochlea) GCSE Biology for CCEA by Rose McIlwaine & James Napier, published by Hodder & Stoughton, 2003, ISBN 0340858257, reproduced by kind permission of Hodder Education. (i) Write down the name and one function of parts A and B. A Name: _______________________________________ [1] Function: __________________________________________ _______________________________________ [1] B Name: _______________________________________ [1] Function: __________________________________________ _______________________________________ [1] (ii) Use the diagram to discuss how sound is transmitted from C to D. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] 5185 3 [Turn over (c) Stephan, aged 14, has conductive hearing loss. He also has myopia. Examiner Only Marks (i) Write down two causes of conductive hearing loss. 1. ________________________________________________ [1] 2. ________________________________________________ [1] (ii) Explain how myopia may affect Stephan s vision. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (iii) Discuss two ways that Stephan s life may be affected by his hearing and vision disabilities. 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] 5185 4 Remark 2 This is a diagram of a neurone. Examiner Only Marks Remark C D A B Health and Social Care 3rd edition by Hilary Thompson, Sylvia Aslangul, Caroline Holden and Carolyn Meggitt, published by Hodder & Stoughton, 2000, ISBN 978 0340 775479, Reproduced by permission of Hodder and Stoughton Limited (a) Write down the name and function of parts A, B, C and D. A Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] B Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] C Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] D Name: __________________________________________ [1] Function: _____________________________________________ __________________________________________ [1] 5185 5 [Turn over (b) James was out walking when attacked by a dog. He panicked and jumped over a wall. Discuss the role of each of the following in James s reactions. (i) The adrenal gland _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [6] 5185 6 Examiner Only Marks Remark (ii) A reflex action Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [6] 5185 7 [Turn over 3 This is a diagram of the digestive system. Examiner Only Marks A D B E C GCSE Biology for CCEA by Rose McIlwaine & James Napier, published by Hodder & Stoughton, 2003, ISBN 0340858257, reproduced by kind permission of Hodder Education. (a) (i) Identify A, B and C in the diagram and write down the name of one enzyme present in each. A Name: _______________________________________ [1] Enzyme: _______________________________________ [1] B Name: _______________________________________ [1] Enzyme: _______________________________________ [1] C Name: _______________________________________ [1] Enzyme: _______________________________________ [1] 5185 8 Remark (ii) Explain two ways the liver (D) helps to process waste food. Examiner Only Marks Remark 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (iii) Discuss how the pancreas (E) functions as an endocrine organ. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 5185 9 [Turn over Examiner Only _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [9] 5185 10 Marks Remark (b) Sigmund has been feeling unwell for some time. The hospital monitored his blood glucose and insulin levels for one day to find out if he has Type 1 diabetes. The results of the monitoring are recorded in the graphs below. Remark Sigmund s Trace quantity quantity Normal Trace Examiner Only Marks 8am 10amnoon 2pm 4pm 6pm 8pm 8am 10amnoon 2pm 4pm 6pm 8pm Key: Key: blood glucose concentration of hormone blood glucose concentration of hormone Adapted with the permission of Nelson Thornes Ltd from New Biology for You, Gareth Williams, pg. 175, ISBN 987-0-7487-8325-0 Analyse the results to discuss if Sigmund has Type 1 diabetes. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 5185 11 [Turn over Examiner Only _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [8] 5185 12 Marks Remark 4 (a) Kimi, aged 24, is paraplegic and lives alone in sheltered accommodation. Just after Christmas her GP was called to her flat and found that she had mild hypothermia. Examiner Only Marks Remark (i) Explain what is meant by the following terms: Paraplegia ____________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] Hypothermia __________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) Explain two reasons why Kimi is more at risk from hypothermia than most adults. 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] 5185 13 [Turn over (iii) Discuss the normal mechanism for regulating body temperature. Examiner Only Marks _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 5185 14 Remark Examiner Only _____________________________________________________ Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [9] 5185 15 [Turn over (b) Chen, aged 46, works as a computer programmer. His job is very stressful. When he works late he skips his evening meal and either buys fish and chips, which he has with a few beers, or goes to the local pub with his colleagues and buys a takeaway meal on his way home. He likes to play football at the weekend. Chen has begun to have abdominal pains and his doctor thinks he may have a stomach ulcer. Use the information in the passage to answer the following questions. (i) Identify two factors which may have contributed to the development of Chen s ulcer. 1. ___________________________________________________ __________________________________________________ [1] 2. ___________________________________________________ __________________________________________________ [1] (ii) Explain how an ulcer develops in the digestive tract. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (iii) Analyse the potential impact of the stomach ulcer on Chen s lifestyle. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 5185 16 Examiner Only Marks Remark Examiner Only _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [9] 5185 17 Marks Remark THIS IS THE END OF THE QUESTION PAPER 5185 18 Permission to reproduce all copyright material has been applied for. In some cases, efforts to contact copyright holders may have been unsuccessful and CCEA will be happy to rectify any omissions of acknowledgement in future if notified. T79964/1

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Additional Info : Gce Health and Social Care May 2010 Assessment Unit AS 14 Unit 14: Understanding Human Physiology
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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