1. THE ANSWERS

2. Microtitre plates are like lots of tiny test tubes stuck together. True False

3. Microtitre plates are like lots of tiny test tubes stuck together. True

4. Fine needle aspiration is a technique used to obtain cells for diagnosis. True False

5. Fine needle aspiration is a technique used to obtain cells for diagnosis. True

6. Humans have over 100,000 genes. True False

7. Humans have over 100,000 genes. – it’s around 40,000 False

8. Immunohistochemistry is a technique used in cancer diagnosis. True False

9. Immunohistochemistry is a technique used in cancer diagnosis. True

10. This instrument is used to obtain samples of cells from the stomach. True False

11. This instrument is used to obtain samples of cells from the stomach. – it’s a brush used to obtain cells from the cervix False

12. A histopathologist might use this to measure a tumour. True False

13. A histopathologist might use this to measure a tumour. True

14. The first item to be labelled with a bar code was a packet of chewing gum. True False

15. The first item to be labelled with a bar code was a packet of chewing gum. True

16. Radioimmunoassay can detect drugs at levels of one part per billion. True False

17. Radioimmunoassay can detect drugs at levels of one part per billion. True

18. A standard microscope slide is 20x100mm. True False

19. A standard microscope slide is 20x100mm. – a standard slide is 76x26mm False

20. Feeling a plastic blood bag gave a surgeon the idea for breast implants. True False

21. Feeling a plastic blood bag gave a surgeon the idea for breast implants. True

22. Modern biochemistry analysers use marbles to separate one sample from the next. True False

23. Modern biochemistry analysers use marbles to separate one sample from the next. – they use air bubbles False

24. 100,000 Petri dishes are used in the UK each week. True False

25. 100,000 Petri dishes are used in the UK each week. – it’s nearer 1.6 million False

26. This image was produced using a CT scanner. True False

27. This image was produced using a CT scanner. – it was produced using a transmission electron microscope False

28. THE PRIZES