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GCE JUN 2006 : AS, 14 Understanding Human Physiology

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2006 Health and Social Care assessing Unit 14: Understanding Human Physiology A3H81 Assessment Unit AS 14 [A3H81] THURSDAY 15 JUNE, 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 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 A3H81S6 2214 Marks 1 (a) This is a diagram of the urinary system. Examiner Only Marks A B C D Source: VCE Health and Social Care, Hodder. (i) Write down the name and function of each of the 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] A3H81S6 2214 2 Remark (ii) Orla is 69 years of age. She is becoming incontinent. Examiner Only Marks Remark Explain the physiological cause of incontinence. _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (b) This is a diagram of the eye. E C B A D Source: Biology for CCEA, R. McIlwaine and J. Napier, Hodder and Stoughton, 2003. (i) Write down the name and function of each of the 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] A3H81S6 2214 3 [Turn over (ii) Discuss how part E, the retina, enables an individual to detect an image. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] (iii) James is 49 years of age and has presbyopia. Write down one symptom of presbyopia. _____________________________________________________ __________________________________________________ [1] (iv) Explain what happens within the eye to cause presbyopia. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] A3H81S6 2214 4 Examiner Only Marks Remark (c) The outer layer of the skin is called the epidermis. Examiner Only Marks Remark (i) Write down two functions of the epidermis. 1. ___________________________________________________ __________________________________________________ [1] 2. ___________________________________________________ ___________________________________________________ [1] (ii) Nerve endings in the skin can be sensitive to touch. Describe how nerve messages are transmitted from the skin to the brain. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] (iii) Explain what is meant by the term hypothermia. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] A3H81S6 2214 5 [Turn over 2 (a) The diagram below shows the typical structure of a human body cell. A C D B Source: Introduction to Advanced Biology, C. J. Clegg, John Murray, 2000 Write down the name and one function of each of the 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] A3H81S6 2214 6 Examiner Only Marks Remark (b) The structure of a cell is often related to its function. Examiner Only Marks Remark (i) Write down the name of each type of blood cell illustrated below. Cell A Name _________________________ [1] Cell B Name _________________________ [1] Source: Physiology and Anatomy, J. Clancy and A. J. McVicar, Arnold, 2002. (ii) Cells A and B work together to carry out a common function in the blood. Write down the name of this function. __________________________________________________ [1] A3H81S6 2214 7 [Turn over (iii) Describe how Cells A and B work together to carry out their common function. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [4] (c) (i) The duodenum is part of which body system? __________________________________________________ [1] (ii) Write down two possible symptoms of a duodenal ulcer. 1. ________________________________________________ [1] 2. ________________________________________________ [1] (iii) Explain two causes of a duodenal ulcer. 1. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] A3H81S6 2214 8 Examiner Only Marks Remark (iv) Describe how an ulcer develops in the duodenum. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] A3H81S6 2214 9 [Turn over 3 (a) Multiple sclerosis (MS) is a disease caused by degeneration of nerve cells (neurones) in the central nervous system. (i) Write down two symptoms of MS. 1. ___________________________________________________ __________________________________________________ [1] 2. ___________________________________________________ __________________________________________________ [1] (ii) Describe the function of nerve cells. _____________________________________________________ _____________________________________________________ __________________________________________________ [2] A3H81S6 2214 10 Examiner Only Marks Remark (iii) Describe the physiological processes which lead to the development and possible progression of MS. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [6] A3H81S6 2214 11 [Turn over (b) Paul, aged 35, has recently been diagnosed with multiple sclerosis (MS). He is a teacher and is married with a ten-year-old daughter. Paul is a keen footballer. Analyse the possible impact of MS on Paul s lifestyle. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ A3H81S6 2214 12 Examiner Only Marks Remark Examiner Only _________________________________________________________ Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _____________________________________________________ [12] A3H81S6 2214 13 [Turn over 4 (a) Jane is 17 years of age and has Type 1 diabetes. (i) Write down the name of the endocrine organ in her body which has failed. __________________________________________________ [1] (ii) Write down the names of the two hormones which are produced to regulate blood glucose levels. 1. ________________________________________________ [1] 2. ________________________________________________ [1] (b) Jane keeps a very careful record of her daily blood glucose levels. Analyse the line graph below to explain why they varied throughout the day. Line graph to show Jane s blood glucose levels for one day. mg glucose /100 ml blood 120 110 100 90 80 70 60 0 7.00 8.00 9.00 10.0011.00 12.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 am pm Time _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ A3H81S6 2214 14 Examiner Only Marks Remark Examiner Only _________________________________________________________ Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [9] A3H81S6 2214 15 [Turn over (c) Describe the homeostatic mechanism which controls blood glucose levels in the body. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ A3H81S6 2214 16 Examiner Only Marks Remark Examiner Only _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _____________________________________________________ [10] A3H81S6 2214 17 Marks Remark THIS IS THE END OF THE QUESTION PAPER A3H81S6 2214 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. SP (SLM/CGW) T16033/3

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Additional Info : Gce Health and Social Care June 2006 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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