B6 Flashcards
What is a vaccination?
A dead or inactive version of the pathogen
How does the vaccination work?
The pathogen in the bloodstream will stimulate the white blood cells to produce antibodies and the antibodies work to destroy the pathogen, the WBCs will stay in your body as memory cells. If your body was ever re-infected with the pathogen, the WBCs would quickly destroy the pathogen before it can do any damage.
What shape is an antibody?
Y
What does the antibody attach to on a pathogen?
An antigen
Do the same antibodies work for all pathogens?
No, different antibodies for different antigens
What is heard community?
Where a community of vaccinated people don’t allow the pathogen to pass on to a non-vaccinated person
What are antibiotics?
They kill bacteria
What is a pain killer?
Something that reduces pain
What is an anti-inflammatory ?
Something that reduces swelling
Why cant you use antibiotics on a virus?
- Antibiotic drugs kill bacteria by disrupting their cell walls. But virus’ external covering, known as the viral envelope, is almost identical to the host cell’s membranes, making them difficult to target
- Virus cant be killed without killing the host cell
Why are antibiotics becoming less useful?
Strong strands of bacteria are slowly becoming immune to the antibiotics
Name some illnesses that can be treated with antibiotics
- Pneumonia
- Measles
- Salmonella
- Gonorrhoea
Who discovered penicillin?
Alexander Fleming
How did Fleming discover the penicillin?
After doing experiments, he didn’t clean up and left the window open. Then he went on holiday still not cleaning up and some mould grew on a petri-dish, killing off some bacteria
Where is penicillin from?
Penicillin mould
