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Questions and Answers
What is the term for the quality of a microscope that allows you to change objective lenses without greatly altering the focus?
What does magnification refer to?
The ability to make an object larger.
What is the size of field in microscopy?
Area of the organism that can be seen using a specific objective lens.
Define refraction.
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What does resolution in microscopy refer to?
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What is numerical aperture?
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What is working distance?
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What are normal flora?
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Define transient flora.
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What is resident flora?
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What are pathogens?
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What are opportunists in microbiology?
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Study Notes
Microscope Terminology
- Parfocal: Enables lens swapping without significant focus changes, maintaining clarity.
- Magnification: The capability to enlarge the appearance of an object.
- Size of Field: The observable area of an organism determined by the specific objective lens in use.
- Refraction: The bending and scattering of light as it passes through different media.
- Resolution: The microscope's ability to differentiate between two closely positioned objects, ensuring they appear as separate entities.
- Numerical Aperture: A lens feature in light microscopy that enhances light-gathering capability for improved image quality.
- Working Distance: The gap between the slide and the lens when in focus.
Microbial Flora Types
- Normal Flora: Beneficial microorganisms residing on body surfaces, typically non-pathogenic.
- Transient Flora: Microorganisms present on the body for brief periods, influenced by environmental exposures.
- Resident Flora: Established microbial populations that act as a unique fingerprint for individual health.
Pathogens
- Pathogens: Organisms responsible for causing diseases in hosts.
- Opportunists: Generally non-pathogenic organisms that can cause disease if conditions become favorable.
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Description
Test your knowledge of essential microscope terminology with these flashcards. Learn definitions and concepts such as parfocal, magnification, size of field, and refraction. Perfect for students in biology or microscopy courses.
