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GCE JAN 2009 : AS, 14 Understanding Human Physiology

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2008 Health and Social Care assessing Unit 14: Understanding of Human Physiology A3H81 Assessment Unit AS 14 [A3H81] WEDNESDAY 30 JANUARY, MORNING 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, 3 and 4. 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 A3H81W8 3180 Marks 1 (a) This is a diagram of a human cell. Examiner Only Marks C D B A Source: Introduction to Advanced Biology C. J. Clegg, Hodder/Murray Identify the parts labelled A, B, C and D and write down one function of each. A : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] B : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] C : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] D : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] A3H81W8 3180 2 Remark (b) This is a diagram of the skin. Examiner Only Marks Remark C B A Health & Social Care for Advanced GNVQ, 3/Rev.edition, by H. Thompson, C. Holden, C. Meggitt, S.Anlangul published by Hodder and Stoughton Ltd, 2000, ISBN: 0 340 775475, reproduced by permission of Hodder and Stoughton Ltd. (i) Identify the parts labelled A, B, and C and write down one function of each. A : _______________________________________ [1] Function : ____________________________________________ __________________________________________ [1] B : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] C : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] A3H81W8 3180 3 [Turn over (ii) Using diagrams A and B discuss how the skin helps maintain body temperature. A B Health & Social Care for Advanced GNVQ, 3/Rev.edition, by H. Thompson, C. Holden, C. Meggitt, S.Anlangul published by Hodder and Stoughton Ltd, 2000, ISBN: 0 340 775475, reproduced by permission of Hodder and Stoughton Ltd. Diagram A: ___________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] Diagram B: ___________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] A3H81W8 3180 4 Examiner Only Marks Remark Examiner Only (c) Meena, aged 80, has been admitted to hospital with hypothermia. Marks Remark (i) Explain what is meant by hypothermia. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Explain two reasons why older adults like Meena are more at risk from hypothermia. 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 2.____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] A3H81W8 3180 5 [Turn over 2 (a) This is a diagram of the eye. Examiner Only Marks A C B Source: Introduction to Advanced Biology C. J. Clegg, Hodder/Murray (i) Identify the parts labelled A, B and C and write down one function of each. A : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] B : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] C : __________________________________________ [1] Function : ____________________________________________ __________________________________________ [1] A3H81W8 3180 6 Remark (ii) Using the diagram below, discuss how the eye accommodates far objects. far object Examiner Only Marks Remark near object Source: Introduction to Advanced Biology C. J. Clegg, Hodder/Murray _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] (iii) Write down three causes of conductive hearing loss. 1. _________________________________________________ [1] 2. _________________________________________________ [1] 3. _________________________________________________ [1] A3H81W8 3180 7 [Turn over (b) This is a diagram of three types of neurones. Examiner Only Marks A C B dendrite myelin sheath axon Source: Introduction to Advanced Biology C. J. Clegg, Hodder/Murray (i) Write down the names of the three types of neurones A, B and C. A: _________________________________________________ [1] B: _________________________________________________ [1] C: _________________________________________________ [1] A3H81W8 3180 8 Remark Examiner Only (ii) Explain the function of each of the following shown on the diagram. Marks Remark Myelin Sheath: ________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] Dendrite: _____________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] Axon: ________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] A3H81W8 3180 9 [Turn over Examiner Only Marks (c) This is a diagram of a synapse. Source: Introduction to Advanced Biology C. J. Clegg, Hodder/Murray Using the diagram discuss how nerve messages are transmitted across a synapse. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ A3H81W8 3180 10 Remark 3 (a) Zita and Relm are patients in St. Mary s hospital. Their urine production is being monitored on an hourly basis. Examiner Only Marks Remark Here are the results. Zita = 30 ml/h Relm = 10 ml/h Normal urine production rate = 60 ml/h of Discuss what these results suggest about the health and well-being Zita and Relm. Zita: ____________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] Relm: ___________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] A3H81W8 3180 11 [Turn over (b) The rate of urine production is controlled by the anti-diuretic hormone (ADH). Discuss how the body controls the release of this hormone. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] A3H81W8 3180 12 Examiner Only Marks Remark (c) This is a diagram of a nephron in the kidney. Examiner Only Marks Remark A C B Source: Advanced Health and Social Care, N. Moonie, Heinemann (i) Write down the name of the body system to which the kidney belongs. ___________________________________________________ [1] (ii) Referring to parts A, B and C on the diagram discuss how a nephron performs its function. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ A3H81W8 3180 13 [Turn over Examiner Only _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [8] A3H81W8 3180 14 Marks Remark 4 (a) This is a diagram of a cross section of the small intestine. Examiner Only Marks Remark } A villi B Health & Social Care for Advanced GNVQ, 3/Rev.edition, by H. Thompson, C. Holden, C. Meggitt, S.Anlangul published by Hodder and Stoughton Ltd, 2000, ISBN: 0 340 775475, reproduced by permission of Hodder and Stoughton Ltd. (i) Write down the name and one function of tissue A and tissue B. Tissue A: _______________________________________ [1] Function: _________________________________________ _______________________________________ [1] Tissue B: _______________________________________ [1] Function: _________________________________________ _______________________________________ [1] A3H81W8 3180 15 [Turn over (ii) Explain two different ways the villi aid digestion. Examiner Only Marks 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (iii) Enzymes also aid digestion. Describe the function of enzymes in digestion. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (b) Emma, aged 23, has diabetes. A3H81W8 3180 16 Remark Examiner Only Explain how diabetes affects each of the organ systems below. Marks Remark Endocrine system. _________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________[2] Renal system. _____________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________[2] Circulatory system. ________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________[2] Digestive system. __________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________[2] Jeff, aged 50, has been diagnosed with chronic pancreatitis. A3H81W8 3180 17 [Turn over Examiner Only (c) (i) Write down two symptoms of chronic pancreatitis. 1. _____________________________________________________[1] 2. _____________________________________________________[1] (ii) Write down one common cause of chronic pancreatitis. ___________________________________________________ [1] (iii) Jeff, a successful businessman, lives on his own in a city centre apartment and he has a hectic social life. Discuss how chronic pancreatitis may affect Jeff s lifestyle. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ A3H81W8 3180 18 Marks Remark _____________________________________________________ Examiner Only Marks _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [8] THIS IS THE END OF THE QUESTION PAPER A3H81W8 3180 19 Remark 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. T57501

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Additional Info : Gce Health and Social Care January 2009 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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