Across
- 4. a single celled organism that sometimes cause disease
- 6. a type of living thing, i.e. athletes foot
- 7. a disease spread by sexual contact
- 8. indirect protection from a disease in a population
- 12. a substance that produces an immune response
- 14. produced by WBC in response to an antigen
- 15. a drug that reduces pain, an analgesic
- 20. being toxic or posionous
- 21. a drug that reduces the effect of a toxin
- 22. engulfing or ingesting by a cell, ie a WBC
- 23. something that successfully does what is expected
Down
- 1. a drug that kills bacteria
- 2. can be spread between individuals
- 3. a drug made from foxglove & acts on the heart
- 5. how successful something is at its function
- 9. can not be spread between individuals
- 10. a host that spreads disease but isn't infected itself
- 11. the amount of a drug that is effective
- 13. a drug that stimulates production of antibodies
- 16. a type of antibiotic starting with P
- 17. a microorganism that causes disease
- 18. a protist caused disease spread by mosquitoes
- 19. keeping a space and individuals clean to avoid pathogens a micro-organism that causes disease