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B3 Definitions
B3 Biology Definitions
| Question | Answer |
|---|---|
| Antibiotics | Medicines that help to cure bacterial disease by killing infective bacteria inside the body. |
| Clinical drug testing | Drug testing done on healthy human volunteers and patients. |
| Communicable disease | A disease that can be spread between individuals either directly or indirectly. |
| Double blind trial | A study performed where neither the researcher or patient know whether the patient is taking the drug or a placebo. |
| Gonorrhoea | A sexually transmitted disease (STD) caused by a bacterium with symptoms of a thick yellow or green discharge from the vagina or penis and pain on urinating.✢ |
| Human Immunodeficiency Virus (HIV) | An infectious virus that weakens the immune system and can lead to AIDS (acquired immunodeficiency syndrome). |
| Malaria | A disease caused by a protist that causes recurrent episodes of fever and can be fatal. |
| Measles | A serious disease caused by a virus that shows symptoms of fever and a red skin rash. |
| Non-communicable disease | A disease which cannot be spread between individuals. |
| Non-specific defence | General physical and chemical barriers that defend the body against lots of different types of pathogen. |
| Pathogens | Microorganisms that cause infectious disease. |
| Placebo | A substance designed to be indistinguishable from a drug being tested but has no actual effect on the patient. |
| Preclinical drug testing | Drug testing done in a laboratory using cells, tissues and live animals. |
| Rose black spot | A fungal disease where purple or black spots develop on leaves, which often turn yellow and drop early. |
| Salmonella | A bacterial disease that is spread by bacteria ingested in food and can cause a fever, abdominal cramps, vomiting and diarrhoea. |
| Side effects | Other additional effects that the drug has that are different from the expected effect of the drug. |
| Tobacco Mosaic Virus (TMV) | A widespread plant pathogen affecting many species of plants which produces a mosaic pattern on the leaves and limits the plant growth. |
| Vaccination | The process of introducing small quantities of dead or inactive forms of a pathogen into the body to stimulate the white blood cells to produce antibodies.✢ |
| White blood cell | An important type of cell that makes up the immune system and produces antibodies and antitoxins. |
Created by:
HJB1972
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