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Edexcel Level 3 BTEC Nationals in Health and Social Care

Edexcel Level 3 BTEC Nationals in Health and Social Care

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UNIT 37: DEFENCE AGAINST DISEASEGrad<strong>in</strong>g gridIn order to pass this unit, the evidence that the learner presents for assessment needs to demonstrate that they can meet all of the learn<strong>in</strong>goutcomes for the unit. The criteria for a pass grade describe the level of achievement required to pass this unit.Grad<strong>in</strong>g criteriaTo achieve a pass grade the evidence mustshow that the learner is able to:P1P2P3P4P5expla<strong>in</strong> how the body is protected fromthe external environmentdescribe mechanical <strong>and</strong> chemicalbarriers to <strong>in</strong>fection <strong>and</strong> non-specificdefensive responsesdescribe the role of the lymphocytes <strong>in</strong>cellular immunitydescribe the role of the lymphocytes <strong>in</strong>humoral immunityuse two examples each to expla<strong>in</strong> active<strong>and</strong> passive artificially acquiredimmunityTo achieve a merit grade the evidence mustshow that, <strong>in</strong> addition to the pass criteria,the learner is able to:M1M2expla<strong>in</strong> mechanical <strong>and</strong> chemicalbarriers to <strong>in</strong>fection <strong>and</strong> non-specificdefensive responsesexpla<strong>in</strong> the development of naturalspecific resistance to <strong>in</strong>fectionP6 describe a vacc<strong>in</strong>ation programme. M3 expla<strong>in</strong> the potential role of thevacc<strong>in</strong>ation programme <strong>in</strong> public health.To achieve a dist<strong>in</strong>ction grade the evidencemust show that, <strong>in</strong> addition to the pass <strong>and</strong>merit criteria, the learner is able to:D1D2evaluate the relative roles of the nonspecific<strong>and</strong> specific defensive responsesanalyse the potential role of thevacc<strong>in</strong>ation programme <strong>in</strong> public health.462BN018467 – Specification – <strong>Edexcel</strong> <strong>Level</strong> 3 <strong>BTEC</strong> <strong>Nationals</strong> <strong>in</strong> <strong>Health</strong> <strong>and</strong> <strong>Social</strong> <strong>Care</strong>– Issue 1 – February 2007 © <strong>Edexcel</strong> Limited 2007

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