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GCE JAN 2010 : AS, 14 Understanding Human Physiology

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2010 assessing Unit 14: Understanding Human Physiology [A3H81] A3H81 Assessment Unit AS 14 *A3H81* Health and Social Care MONDAY 1 FEBRUARY, 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)(iii), 3(b) and 4(b)(iv). 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 5236 Marks 1 The human body is made up of cells which are specialised to help them perform their functions. Examiner Only Marks (a) Identify cells A, B and C in the table below and write down one function and the specialisation of each. Cell A Name Function Specialisation [1] [1] [1] [1] [1] [1] [1] [1] [1] B C Physiology & Anatomy by J Clancy and AJ McVicar, published by Arnold, 2002, ISBN 034076239X, reproduced by permission of Hodder Education [9] (b) Discuss how each of the following substances produced by the digestive system aids digestion. Saliva _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] 5236 2 Remark Bile Examiner Only Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] Gastric juice _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] 5236 3 [Turn over (c) Jasper has undergone liver function tests. Results indicate he may have cirrhosis of the liver. (i) Identify one cause of cirrhosis of the liver. _____________________________________________________ ___________________________________________________ [1] (ii) Write down two symptoms of cirrhosis that Jasper may have experienced. 1 ____________________________________________________ ___________________________________________________ [1] 2 ____________________________________________________ ___________________________________________________ [1] (iii) The liver is an important organ, carrying out a number of functions. Discuss two functions of the liver which aid digestion. 1 ____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 2 ____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 5236 4 Examiner Only Marks Remark 2 This is a diagram of the human brain. Examiner Only Marks Remark C A B Health and Social Care for Vocational A Level by Hilary Thompson et al., published by Hodder & Stoughton, 2000, ISBN 03407755475, Reproduced by permission of Hodder Education (a) Write down the name and one function of parts A, B and C. A _____________________________________________________ [1] Function _________________________________________________ _______________________________________________________ [1] B _____________________________________________________ [1] Function _________________________________________________ _______________________________________________________ [1] C _____________________________________________________ [1] Function _________________________________________________ _______________________________________________________ [1] 5236 5 [Turn over (b) Jamal, aged 53, and his wife Deepak live in a three storey house on the outskirts of Belfast and drive into the city each day to work in their shop. They travel to England regularly to visit their son and daughter and to buy stock for the shop. Jamal has recently suffered a stroke. (i) Explain the physiological cause of a stroke. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Jamal s co-ordination has been affected by the stroke. He finds it difficult to perform voluntary actions, for example, picking up a pen. Discuss how the nervous system normally performs voluntary actions. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 5236 6 Examiner Only Marks Remark (iii) Analyse the extent to which having a stroke may affect Jamal s lifestyle. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 5236 7 [Turn over Examiner Only _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [12] 5236 8 Marks Remark 3 (a) This is a diagram of the ear. Examiner Only Marks Remark A B C Figure from New Coordinated Science: Biology by B Beckett and R-M Gallagher (OUP, 1996), copyright Oxford University Press, reprinted by permission of Oxford University Press Explain how each of the following parts contributes to the process of hearing. A The ear ossicles _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] B The auditory nerve _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] C The cochlea _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5236 9 [Turn over (b) About one in every 1,000 children is deaf at three years old. This rises to two in every 1,000 children aged nine to 16. Approximately 2% of young adults are deaf or hard of hearing. From the age of 40 onwards, a higher proportion of men than women become hard of hearing. Around the age of 50 the proportion of deaf people begins to increase sharply and 55% of people over 60 are deaf or hard of hearing. Adapted from: Facts and figures on deafness and tinnitus (fact sheet) www.RNID.org.uk Analyse the causes of hearing loss amongst the British population over the lifespan. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 5236 10 Examiner Only Marks Remark Examiner Only _________________________________________________________ Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [9] 5236 11 [Turn over 4 (a) This is a diagram of the endocrine system. Examiner Only Marks E A B C D Health & Social Care for Vocational A Level by Mark Walsh et al. published by Harper Collins, 2000, ISBN 0003291006 (i) Write down the names of the glands A, B, C and D and one hormone produced by each. Gland A ____________________________________________ [1] Hormone ___________________________________________ [1] Gland B ____________________________________________ [1] Hormone ___________________________________________ [1] Gland C ____________________________________________ [1] Hormone ___________________________________________ [1] Gland D ____________________________________________ [1] Hormone ___________________________________________ [1] 5236 12 Remark (ii) Explain two ways endocrine control differs from nervous control. Examiner Only Marks Remark 1 ____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 2 ____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (iii) Explain why the pituitary gland (E) is often referred to as the master gland. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 5236 13 [Turn over (b) Maura is quadriplegic and attends a day centre with her friends Cyril and Sharon. Cyril is paraplegic and Sharon lost the use of one arm as a result of an accident at work. (i) Explain the following terms: Quadriplegic _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] Paraplegic _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Sharon has been told that in time she may regain some use of her arm. Maura and Cyril will not regain any limb movement. Discuss the reasons for this. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 5236 14 Examiner Only Marks Remark (iii) Cyril is urinary incontinent. Explain the cause of urinary incontinence. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 5236 15 [Turn over (iv) Discuss how the human body controls water balance when the kidneys are functioning normally. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 5236 16 Examiner Only Marks Remark _____________________________________________________ Examiner Only Marks _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _________________________________________________ [12] 5236 17 Remark THIS IS THE END OF THE QUESTION PAPER 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. T79969/2

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Additional Info : Gce Health and Social Care January 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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