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Q: Why should the microscope be calibrated for each objective and prior to each use?
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Q: I have a microscope with oculars that are 20x and am viewing a slide using oculars that are 50x.…
A: Introduction An instrument used to magnify small objects called a microscope. Even at the cellular…
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Q: What does it mean when a microscope is said to be parfocal?
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Q: If 5X instead of 10X oculars were used with the same objectives now on your microscope, what…
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Q: What particular features of fluorescence make it useful for microscopy?
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Q: What is the function of condenser in compound microscope?
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Q: What part of the Inverted microscope is different than on a brightfield microscope
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Q: what would you do if you had to discard disposable microscope slide?
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Q: What is the importance of refractive index in microscope
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Q: Contrast the typical uses of bright-field, dark-field, and phase contrast microscopes.
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Q: The most widely used type of light microscope is the
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Q: Describe the process of bringing a specimen into focus using a compound light microscope.
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Q: What is the advantage of phase-contrast microscopyover bright-field microscopy?
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Q: If a specimen is being viewed under a 40x objective, and the microscope has a 10x ocular lens, what…
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Q: Which part of the microscope is used to adjust the light? (pick one) i. h. a. d. c.
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Q: What are the different lens of the microscope?
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Q: The stereoscopic microscope offers a large____________between the objective lens and the specimen.
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Q: Always begin examing microscope slides with which power objective?
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- Trace the path of light from the light source through the microscope in the correct order: O condenser, ocular lens, objective lens, specimen ocular lens, objective lens, specimen, condenser condenser, objective lens, specimen, ocular lens condenser, specimen, objective lens, ocular lens O ocular lens, specimen, objective lens, condenserWhich of these is NOT a best practice when using, handling, or storing a microscope and microscope slides? Do not touch the objective lenses. Store the slides in bright sunlight to prevent mold growth. Rotate the nosepiece to the lowest objective before storing the microscope. Keep dust away from the scope by covering it during storage.Total magnification of a microscope is determined by Multiple Choice dividing the objective magnification value by the ocular value. multiplying all objective magnification values together. adding all objective magnification values together. none of the above.
- Which of the following is true about the relationship between depth of field and magnification? There is no relationship. When magnification increases, depth of field decreases. When magnification increases, depth of field increases. Stereomicroscopes offer a lesser depth of field than compound microscopes. The depth of field of a microscope determines how much magnification it can achieve.Which of the following microscopes produce flat images by utilizing light in the non-visual spectrum to excite molecules within the specimens to produce visual light? (select all answers that apply) Phase Contrast Microscope Darkfield Microscope Fluorescent Microscope Brightfield Microscope Electron Microscope Confocal MicroscopeThe compound (bright-field) microscope is parfocal. It means that: Question 4 options: objective lenses are built into revolving nosepiece its lenses effectively decrease focal lenght can achieve maximum resolution lower than 0.2 μm image should remain in focus when objective lens is changed
- What is the highest magnification of the following microscopes?Bright fieldDark fieldPhase-contrastFluorescenceConfocalScanning EMTransmission EMScanned-Probebriefly describe the functions of the following parts of the microscope: course objective knob, condenser lens, diaphragm, objective lens, illuminator, fine adjustment knob, oil immersion.An object found with the 10x objective of the microscope may be viewed with the 40x objective without having to re-focus. This property of the microscope is called: O Confocal O Bifocal Binocular d Parfocal
- What is the purpose of using microscopes? If you need to move the microscope, describe how you should carry it. What three things change as you increase magnification? On the compound microscope, what power must be in place when you first find an image in themicroscope? On the compound microscope, which adjustment knob is used for bringing the specimen intofocus? On the compound microscope, which adjustment knob is used for sharpening the image of thespecimen after it is focused? On the compound microscope, which adjustment knob should you use on the high power? On the compound microscope, how do you change the objective lenses? What should be included when sketching or drawing what is seen through the microscope How do you properly use a microscope?What description best describes the compound light microscope? Uses a beam of electrons is transmitted through a specimen to form an image. Has more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen. An optical imaging technique for increasing optical resolution and contrast of a micrograph by means of using a spatial pinhole to block out-of-focus light in image formation. Designed for low magnification observation of a sample, typically using light reflected from the surface of an object rather than transmitted through it.During studying a thick heavily stained specimen under the microscope, it is better to light intensity adjustment has nothing to do with the clarity of the specimen. increase the light intensity passing through the specimen decrease light intensity passing through the specimen none of the options is correct