The Specific Defence System (The Immune System) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
When is the specific defence system activated?
When is the specific defence system activated?
When microorganisms pass general defences
What is an antigen?
What is an antigen?
A surface protein stimulating antibodies
What is an antibody?
What is an antibody?
A protein made by lymphocytes in response to antigen
Which white blood cells are stored in immune system organs?
Which white blood cells are stored in immune system organs?
Lymphocytes and monocytes
What do monocytes do when they recognise antigens on pathogens?
What do monocytes do when they recognise antigens on pathogens?
Surround and digest the pathogens
What do monocytes do after digesting pathogens?
What do monocytes do after digesting pathogens?
Display the antigens on their surface
How specific is each antibody to an antigen?
How specific is each antibody to an antigen?
Each antibody is specific to one antigen
How do antibodies prevent bacteria and viruses from causing infection?
How do antibodies prevent bacteria and viruses from causing infection?
Prevent them entering cells
How do antibodies help phagocytes destroy antigen-containing cells?
How do antibodies help phagocytes destroy antigen-containing cells?
Cause cells to clump together
What happens when antibodies activate the complement system?
What happens when antibodies activate the complement system?
Pathogen cells burst
How quickly are antibodies produced on second exposure to the same antigen?
How quickly are antibodies produced on second exposure to the same antigen?
In 5 days instead of 14 days
Why can we catch cold or flu multiple times?
Why can we catch cold or flu multiple times?
Different viruses have different antigens
What happens in rheumatoid arthritis?
What happens in rheumatoid arthritis?
Immune system attacks joints