PLAB Final Exam – Practice Questions and Key Topics for GMC Certification 2024–2025 – Full Exam Review with Clinical Scenarios and High-Yield Content

PLAB Final Exam – Practice Questions and Key Topics
for GMC Certification 2024–2025
Ideal for final-stage preparation for PLAB 1 and PLAB 2.



1. yellow tube additive: SPS
2. light blue tube additive: sodium citrate
3. orange tube additive: thrombin
4. green additive: heparin
5. lavender additive: EDTA
6. pink additive: EDTA
7. grey tube additive: sodium fluoride/potassium oxolate
8. RST tube: orange
9. PST tube: green
10. blood culture test tube: yellow
11. PT, PTT, D-dimer: light blue
12. ABG test tube: green
13. bloodbank tube: pink
14. immunohematology tube: pink
1/5

, 15. anti-glycolytic tube: grey
16. FBS, RBS, OGTT, BAC tubes: grey
17. lactic acid test tube: gray
18. tube that clots fast: orange
19. microbiology test tube: yellow
20. tube that inhibits antibiotics: yellow
21. coagulation department: blue
22. binds calcium: light blue, lavender, pink, grey
23. SST tube: red/gold
24. tubes that bind thrombin: orange, green
25. ESR test: lavender
26. CBC test: lavender
27. A1C test: lavender
28. type screen type cross: pink tube
29. chemistry tubes: orange, green,gray
30. yellow #2 additive: ACD
31. royal blue tube additive: EDTA
32. tan tube additive: EDTA specially formulated cap certified lead free
33. white tube additive: EDTA
34. does EDTA prevent blood clots?: yes
35. capillary action: blood being pulled into tube
36. dermal puncture order of draw: lavender, green, grey, red/gold
2/5