quiz 14 Flashcards
Where did we first discover penicillin?
yeast cells
How is the measles virus spread?
Inhalation of droplets from sneezes and coughs
How can rose black spot be treated?
using fungicides or removing affected leaves
What is an epidemic?
The spread of an infectious disease throughout a community
How are most drugs made now?
By expert chemists in the pharmaceutical industry
In what way might bacteria cause damage to cells and tissues?
Bacteria may produce poisons(toxins) that damage tissues and make us feel ill
What are the disadvantages of a mass vaccination programme?
- can be expensive 2. may be against peoples beliefs
What are the early symptoms of HIV infection?
HIV initially causes a flu-like illness
How is the spread of salmonella controlled in the UK?
In the UK, chickens are vaccinated against salmonella to control the spread
How is the spread of malaria controlled?
use of mosquito nets to avoid being bitten
What is the purpose of vaccination programmes?
can prevent illness in an individual and reduces spread of the pathogen in a population
What are the symptoms of the measles virus?
Fever and a red skin rash
How is malaria spread?
By mosquitoes
Which blood cells form part of our immune system?
white blood cells
