Fighting Infection and disease Flashcards
What does anti-biotics treat?
Bacterial diseases
What the the first anti-biotic to be discovered?
Penicillin
What does digoxin treat?
Patients with a heart disease
What is a vaccine?
Injection of dead or inactive pathogens
What becomes activated during a vaccine?
T and B cells
What do T and B cells produce?
Anti-bodies
Why are memory cells good?
They remember the pathogen, and the immune system can fight off quick, when the real thing comes
Name two advantages of vaccines
Control the spread of disease and prevent epidermis from happening
Heard immunity mean infection is…
Less likely to spread to those who aren’t immune
How does the stomach prevent pathogens from entering?
Has hCl, which kills the pathogen
Three Ways pathogens are prevented from entering the body
Eyes,nose,skin,stomach,mouth and ears
What is phagocytosis?
Phagocytes engulf the pathogen and digests them with enzymes
What do antibodies do to the antigen?
Disable them
What are white blood cells also known as?
Lymphocytes
What do anti-toxins do to the toxins?
Neutralise them
Where is aspirin from?
The bark of a willow tree
What do anti-biotics do to the cell?
Rupture the cell wall
What is penicillin from?
The mold penicillium
Why is it important to finish a full course of antibiotics?
To prevent resistant strains from developing
Why is drug testing important?
To see the dangers, dosage and efficacy
Name 2 materials a drug is tested on?
Tissues and organs
How many stages is there in drug testing?
3
What animals are being drug tested on?
Flies,zebra fish and mice
Why use those animals?
Reproduce quickly