Topic Two Flashcards
(18 cards)
antibodies
Produced by lymphocytes attaching to the antigen found on the surface of the pathogens
Lymphocyte
A white blood cell that produces antibodies in response to foreign antigens
Antigen
The protein found on the surface of the pathogen
Memory cells
White blood cells which remember what specific antibody to make
Eg chicken pox antibody
Immune
A level of antibody protection has been achieved so that you will not become ill
What type of virus causes the flu
The influenza virus
What is an outbreak
When a disease spreads between people icky/suddenly
Phagocytes
A white blood cell that detects surrounds engulfs and digest pathogens
Symptoms of the flu
Fever Coughing Upset stomach Vomiting Diarrhoea Body aches
What had to happen to swine flu to allow it to infect humans
They mutated
Where was the first cause of swine flu reported
Mexico
Outline how swine flu can be spread
From the pigs to the farmers then to the people
Define the term epidemic
A major outbreak in a certain area
Define the term pandemic
Worldwide outbreak
What measures have been put in place to deal with the swine flu outbreak
Creating a vaccine
Anti flu that works
Three ways to prevent swine flu
Maintaining personal hygiene
Wash hands frequently with soap and water
Avoid touching your eyes ears and mouth
Three major shapes of bacteria
Spherical
Rod shaped
Spirals
Describe the structure of a virus
The head (capsule) is on top of the tail which at the bottom has an end plate with tail figures
