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Questions and Answers
Which of the following is true about the resolution of the human eye?
Which of the following is true about the resolution of the human eye?
- The resolution of the human eye is 1000x worse than a light microscope.
- The resolution of the human eye is 0.2μm.
- The resolution of the human eye is 1000x better than a light microscope.
- The resolution of the human eye is 0.2mm. (correct)
What is the main purpose of tissue fixation in microscopy?
What is the main purpose of tissue fixation in microscopy?
- To terminate ongoing biochemical reactions
- To preserve the tissue (correct)
- To remove paraffin from the specimen
- To increase the rigidity of microstructures
Which type of fixation involves immersing the tissue in a fluid?
Which type of fixation involves immersing the tissue in a fluid?
- Dehydration fixation
- Immersion fixation (correct)
- Embedding fixation
- Perfusion fixation
What is the purpose of embedding the tissue in paraffin?
What is the purpose of embedding the tissue in paraffin?
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Which type of stain is commonly used to stain RNA Nissl material?
Which type of stain is commonly used to stain RNA Nissl material?
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Which of the following is true about the resolution of light microscopy compared to the human eye?
Which of the following is true about the resolution of light microscopy compared to the human eye?
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Which type of fixation involves injecting fixative into the heart of a whole animal?
Which type of fixation involves injecting fixative into the heart of a whole animal?
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Which type of stain is commonly used to stain purple?
Which type of stain is commonly used to stain purple?
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What is the main purpose of rehydration in tissue preparation for microscopy?
What is the main purpose of rehydration in tissue preparation for microscopy?
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Which of the following is true about most dyes used for staining in microscopy?
Which of the following is true about most dyes used for staining in microscopy?
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