This fully-resourced lesson distinguishes between active and passive, natural and artificial immunity and explains how vaccinations can be used to control disease. The engaging and detailed PowerPoint and accompanying resources have been designed to cover point 11.2 (d) of the CIE A-level Biology specification and there is also a description and discussion on the concept of herd immunity.
In topic 11.1, students were introduced to the primary and secondary immune responses so the start of this lesson uses an imaginary game of TOP TRUMPS to challenge them on the depth of their understanding. This will act to remind them that a larger concentration of antibodies is produced in a quicker time in the secondary response. The importance of antibodies and the production of memory cells for the development of immunity is emphasised and this will be continually referenced as the lesson progresses. The students will learn that this response of the body to a pathogen that has entered the body through natural processes is natural active immunity. Moving forwards, time is taken to look at vaccinations as an example of artificial active immunity. Another series of questions focusing on the MMR vaccine will challenge the students to explain how the deliberate exposure to antigenic material activates the immune response and leads to the retention of memory cells. A quick quiz competition is used to introduce the variety of forms that the antigenic material can take along with examples of diseases that are vaccinated against using these methods. The eradication of smallpox is used to describe the concept of herd immunity and the students are given time to consider the scientific questions and concerns that arise when the use of this pathway is a possible option for a government. The remainder of the lesson looks at the different forms of passive immunity and describes the drawbacks in terms of the need for a full response if a pathogen is re-encountered
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Topics 10 & 11: Infectious disease & Immunity (CIE A-level Biology)
This lesson bundle contains 9 detailed and engaging lessons which have been designed to cover the following content in topics 10 & 11 of the CIE A-level Biology specification: 10.1: Infectious diseases * The meaning of the term disease and the difference between infectious and non-infectious diseases * The name and type of pathogen that causes cholera, malaria, TB, HIV/AIDS, smallpox and measles * Explain how cholera, malaria, TB, HIV and measles are transmitted 10.2: Antibiotics * Outline how penicillin acts on bacteria and why antibiotics do not affect viruses * Outline how bacteria become resistant to antibiotics with reference to mutation and selection * Discuss the consequences of antibiotic resistance and the steps that can be taken to reduce its impact 11.1: The immune system * State that phagocytes have their origin in bone marrow and describe their mode of action * Describe the modes of action of B and T lymphocytes * The meaning of the term immune response, with reference to antigens, self and non-self * Explain the role of memory cells in long term immunity * Autoimmune diseases as exemplified by myasthenia gravis 11.2: Antibodies and vaccination * Relate the molecular structure of antibodies to their functions * Distinguish between active and passive, natural and artificial immunity and explain how vaccination can control disease Each of the lesson PowerPoints is accompanied by worksheets which together contain a wide range of tasks that will engage and motivate the students whilst challenging them on their understanding of the current topic as well as previously-covered topics. If you would like to get an understanding of the quality of the lessons in this bundle, then download the transmission of infectious diseases and phagocytes and phagocytosis lessons as these have been shared for free.
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Topic 11: Immunity (CIE A-level Biology)
The 5 lessons included in this bundle are all fully-resourced and contain a wide range of activities that will motivate and engage the students whilst covering the content as detailed in topic 11 of the CIE A-level Biology specification (Immunity). Exam-style questions which check on current and prior understanding, differentiated tasks, discussion points and quick quiz competitions cover the following specification points: * Phagocytes have their origin in bone marrow * Phagocytosis * The modes of action of B and T lymphocytes * The meaning of term immune response, with reference to the terms antigen, self and non-self * The role of memory cells in long term immunity * Autoimmune diseases * The relationship between the structure and function of antibodies * Distinguish between active and passive immunity * The use of vaccinations to control disease If you would like to sample the quality of these lessons, download the phagocytes and phagocytosis lesson as this has been uploaded for free
£7.50
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