Wheatley Trichrome Staining MCQs Mock Test (30 MCQs)

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Wheatley’s Trichrome Quiz: 30+ MCQs on parasite staining for Giardia/Entamoeba. Perfect for medical lab tech certification prep!

Test your parasitology skills with 30+ Wheatley’s Trichrome MCQs! This mock exam covers:
◼️ Staining mechanism for Giardia trophozoites & cysts
◼️ Troubleshooting faded stains
◼️ Differentiation of E. histolytica vs. E. coli
◼️ CDC-recommended protocols

Learn Wheatley’s Trichrome staining, the gold standard for intestinal parasite identification in stool samples. This guide covers:
✓ Principle behind trichrome staining for protozoa (Giardia, Entamoeba)
✓ Step-by-step protocol with modifications
✓ Color interpretation (cytoplasm vs. nuclear staining)
✓ Comparison with other stains (Iron-Hematoxylin, Iodine)

Essential for clinical microbiologists, parasitologists, and medical lab technicians diagnosing parasitic infections.

Ideal for MLT certification, ASCP exams, and tropical medicine courses.

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Microbiology Department

Wheatley Trichrome Staining MCQs Mock Test

Wheatley Trichrome Staining MCQs Mock Test

Learn Wheatley’s Trichrome staining, the gold standard for intestinal parasite identification in stool samples. This guide covers:
✓ Principle behind trichrome staining for protozoa (Giardia, Entamoeba)
✓ Step-by-step protocol with modifications
✓ Color interpretation (cytoplasm vs. nuclear staining)
✓ Comparison with other stains (Iron-Hematoxylin, Iodine)

Essential for clinical microbiologists, parasitologists, and medical lab technicians diagnosing parasitic infections.

Read Full Article: Wheatley Trichrome Staining  50 FAQ and 30 MCQs

 

1 / 30

Category: Clinical Laboratory

What is the primary limitation of Wheatley Trichrome Stain for Cryptosporidium?

2 / 30

Category: Clinical Laboratory

What color do protozoan trophozoites stain?

3 / 30

Category: Clinical Laboratory

What is the purpose of the iodine step in the staining process?

4 / 30

Category: Clinical Laboratory

What is the primary limitation of Wheatley Trichrome Stain?

5 / 30

Category: Clinical Laboratory

What is the primary reason for using PVA in stool sample preparation?

6 / 30

Category: Clinical Laboratory

How long should slides remain in Trichrome stain?

7 / 30

Category: Clinical Laboratory

What modification did Wheatley make to Gomori’s Trichrome stain?

8 / 30

Category: Clinical Laboratory

What color do human cells like RBCs and PMNs stain?

9 / 30

Category: Clinical Laboratory

What is the purpose of the acid ethanol step?

10 / 30

Category: Clinical Laboratory

What is the recommended drying time for a mounted smear?

11 / 30

Category: Clinical Laboratory

What magnification is used to examine the stained smear?

12 / 30

Category: Clinical Laboratory

What is the recommended fixative for stool samples in Wheatley Trichrome staining?

13 / 30

Category: Clinical Laboratory

What is the purpose of the ethanol rinse after decolorization?

14 / 30

Category: Clinical Laboratory

What is the primary purpose of the xylene step in the staining process?

15 / 30

Category: Clinical Laboratory

What is the primary purpose of the Wheatley Trichrome Stain?

16 / 30

Category: Clinical Laboratory

What is the shelf life of the Trichrome stain solution?

17 / 30

Category: Clinical Laboratory

Which protozoan is difficult to identify using Wheatley Trichrome Stain?

18 / 30

Category: Clinical Laboratory

What is the recommended storage condition for Trichrome stain?

19 / 30

Category: Clinical Laboratory

What causes dark crystalline materials on the smear?

20 / 30

Category: Clinical Laboratory

What color does the background stain in a Wheatley Trichrome smear?

21 / 30

Category: Clinical Laboratory

What type of stool sample is used for Wheatley Trichrome staining?

22 / 30

Category: Clinical Laboratory

What is the purpose of iodine-alcohol in the staining process?

23 / 30

Category: Clinical Laboratory

Which of the following cannot be stained by Wheatley Trichrome Stain?

24 / 30

Category: Clinical Laboratory

What is the purpose of the mounting medium in the staining process?

25 / 30

Category: Clinical Laboratory

Which of the following is NOT a component of the Trichrome stain solution?

26 / 30

Category: Clinical Laboratory

What is the primary application of Wheatley Trichrome Stain?

27 / 30

Category: Clinical Laboratory

What is the purpose of acid ethanol in the staining process?

28 / 30

Category: Clinical Laboratory

What is the purpose of xylene in the staining process?

29 / 30

Category: Clinical Laboratory

What happens to glycogen molecules during staining?

30 / 30

Category: Clinical Laboratory

Who originally developed the Trichrome stain?

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Read Full Article: Wheatley Trichrome Staining  50 FAQ and 30 MCQs

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