Quiz 29 Flashcards
What is a secondary immune response?
A strong immune response caused by memory cells
What is the most important type of cell in the immune system?
White blood cells
What is the strong immune response caused by memory cells called?
Secondary response
What type of cell is made from white blood cells during the initial infection which causes the secondary response to be so much faster?
Memory cells
When are antibodies produced?
Antibodies are produced when white blood cells discover a pathogen
List 4 structures which prevent pathogens entering the body
Skin
Nose
Trachea and bronchi
Stomach
Why is it important the vaccine pathogens are dead?
So that they don’t cause an infection
What is herd immunity?
Where enough people in a population are immune so that the spread of pathogen stops
What are memory cells?
Cells which “remember” a pathogen
Name 2 types of cell in the trachea and bronchi which prevent pathogens entering the body
Goblet cell, ciliated epithelial cells
How do vaccines prevent the spread of disease
How do goblet cells in the trachea and bronchi prevent pathogens entering the body?
They produce sticky mucus which traps pathogens
How does skin prevent pathogens entering the body?
Skin provides a barrier
What is phagocytosis?
Phagocytosis is where a white blood cell engulfs a pathogen, then digests it to destroy it
What is the role of immune system?
If a pathogen enters the body the immune system tries to destroy the pathogen
