Biology Year 12 - Module 8 - Lesson 16
Autoimmune Diseases and Allergies
1. Key Ideas
When the immune system turns against itself — or over-reacts to harmless triggers
- Definition of autoimmune disease and allergy (Type I hypersensitivity)
- How loss of self-tolerance leads to autoimmune attack
2. Success Criteria
By the end, you should be able to:
- Definition of autoimmune disease and allergy (Type I hypersensitivity)
- Key terms: self-tolerance, allergen, IgE, mast cell, histamine, anaphylaxis
- Examples of autoimmune diseases and their target tissues
3. Key Terms
4. Activity: Build the Lesson Map
Use the lesson to complete the table. Keep answers brief but specific.
| Prompt | Your answer |
|---|---|
| Main concept | |
| Important example | |
| Common mistake to avoid | |
| How this links to the next lesson |
5. Short Answer Questions
1. Explain this lesson goal in your own words: "Definition of autoimmune disease and allergy (Type I hypersensitivity)". Use one specific example from the lesson.
2. Apply this idea to a new example: "Key terms: self-tolerance, allergen, IgE, mast cell, histamine, anaphylaxis". Show your reasoning clearly.
3. Analyse why this idea matters for understanding Autoimmune Diseases and Allergies: "Examples of autoimmune diseases and their target tissues".
6. Extend: Apply the Idea
A student gives a memorised answer about Autoimmune Diseases and Allergies but does not use evidence or reasoning.
Improve the answer by writing a stronger response that uses accurate terminology, a relevant example and a clear explanation.
7. Multiple Choice
1. What is the best first step when answering a question about Autoimmune Diseases and Allergies?
A. Identify the key concept being tested
B. Write every fact from memory
C. Ignore the command word
D. Skip examples and evidence
2. Which answer would show stronger understanding of Autoimmune Diseases and Allergies?
A. An answer with accurate terms and reasoning
B. A copied definition only
C. A single-word response
D. An answer with no example
3. What should you do if a question asks you to explain?
A. Link the idea to a reason or cause
B. List unrelated facts
C. Only draw a diagram
D. Write the shortest possible answer
8. Success Criteria Proof
Finish with evidence that you can do each success criterion.