quiz 15 Flashcards
In terms of drugs,what does dose mean?
A safe amount of drug that is also effective
What are the symptoms of Gonorrhoea infection?
Thick yellow or green discharge from the vagina or penis and pain on urination
What are the advantages of a mass vaccination programme?
- protects a person from a particular pathogen 2. protects population against epidemics
What issues are there with the treatment for Gonorrhoea?
was easily treated with the antibiotic penicillin until many resistant strains appeared
What is herd immunity?
where enough people in a population are immune so that the spread of disease stops
What are side effects
unwanted effects of a drug
What are the issues with treating viral diseases?
Antibiotics cannot kill viral pathogens. it is difficult to develop drugs that kill viruses without damaging the body’s tissues
How does rose black spot affect a plant?
It affects the growth of the plant
How is rose black spot spread?
It is spread in the environment by water or wind
What is the role of the immune system?
If a pathogen enters the body the immune system tries to destroy the pathogen
Why are children vaccinated against the measles virus?
Measles is a serious illness that can be fatal if complications arise
What happens in the first stage of clinical trials?
Drugs are tested on healthy volunteers to see if the drug is safe
What kind of microbe causes malaria?
A protist
What is a placebo?
A tablet which looks like the real medicine but which contains no active drug
Which 3 diseases are prevented by the MMR vaccine?
Measles,mumps and rubella
