BIOD171 / BIOD 171 Module 3 (Latest Update 2025 / 2026) Essential Microbiology with Lab | Questions & Answers | Grade A | 100% Correct - Portage Learning
Question:
Name one substance capable of chemically fixing cells to a slide.
Answer:
methanol
Question:
You suspect a patient may have TB. Once a sample has been obtained, it is sent off to the lab for an acid-fast stain. If the patient were infected with TB, describe what you would expect to see on the stained slide.
Answer:
I would expect to see red cells (TB+) on a blue background (TB negative).
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Question:
You want to observe the size and shape of a cell. What is the easiest staining technique that you could perform? Name at least one dye you would use during this process.
Answer:
Simple stain, using methylene blue
Question:
True or False: If a patient is suspected of having malaria, a Giemsa stain would be an appropriate differential test to perform.
Answer:
true
Question:
A human blood sample from a patient with a suspected parasite needs to be stained for diagnosis. Which stain should be selected?
Answer:
Gimesa
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Question:
Select the type of microscopy used to generate the image:
Answer:
fluorescence
Question:
A slide stained with fuchsin simple stain to observe the size of the cells
Answer:
Bright field
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