Human Immune System: The Fundamentals (HSC SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a key difference between innate and adaptive immunity?
What is a key difference between innate and adaptive immunity?
Adaptive has memory, innate does not
Which branch of adaptive immunity targets extracellular pathogens?
Which branch of adaptive immunity targets extracellular pathogens?
Humoral response
How many binding sites does one antibody molecule have?
How many binding sites does one antibody molecule have?
Two binding sites
How many classes of antibodies exist in the human immune system?
How many classes of antibodies exist in the human immune system?
Five classes
How does the secondary immune response differ from the primary response?
How does the secondary immune response differ from the primary response?
Faster and produces more antibodies
How many antibody molecules can a plasma cell secrete per second?
How many antibody molecules can a plasma cell secrete per second?
Up to 2000 molecules per second
Where are MHCI molecules found in the body?
Where are MHCI molecules found in the body?
In every nucleated cell
What is the main role of helper T cells in adaptive immunity?
What is the main role of helper T cells in adaptive immunity?
Bridge between humoral & cell-mediated arms
Where do T lymphocytes mature?
Where do T lymphocytes mature?
Thymus gland
What do cytotoxic T cells recognize on infected cells?
What do cytotoxic T cells recognize on infected cells?
MHCI-antigen complex