Which of the following statements is FALSE? Question options: increasing wavelength improves ones ability to view microscopic structures increasing resolution can improve ones ability to view microscopic structures increasing magnification can improve ones ability to view microscopic structures all of these statements re TRUE increasing contrast can imporove ones ability to view microscopic structures oil immersion can increase the resolution of light microscopes

Which of the following statements is FALSE? Question options: increasing wavelength improves ones ability to view microscopic structures increasing resolution can improve ones ability to view microscopic structures increasing magnification can improve ones ability to view microscopic structures all of these statements re TRUE increasing contrast can imporove ones ability to view microscopic structures oil immersion can increase the resolution of light microscopes

Comprehensive Medical Assisting: Administrative and Clinical Competencies (MindTap Course List)

6th Edition

ISBN:9781305964792

Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Publisher:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Chapter38: Introduction To The Medical Laboratory

Section: Chapter Questions

Problem 6CR

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Can someone answer and explain the following? What are the basic components of a Fluorescence Microscope and what are the functions of each? Are there any parts that you can remove without compromising accuracy and utility of the equipment? Can you suggest additional components to improve the equipment?
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 Microscope
The following questions talk about increasing magnification in microscopes. Please answer questions 1 and 2 After a specimen is in focus, where in the field of view should position the specimen before increasing the magnification (be precise)? (QUESTION 2 HAS TWO PARTS TO IT): To increase the magnification, which objective should you click into position next? After refocusing the specimen with the new objective, if you want to increase the magnification even more, which objective should you now click into position?
4) Answer true or false to each of the following statements. On high power, you should use the coarse adjustment knob. The diaphragm determines how much light shines on the specimen. The low power objective has a greater magnification than the scanning objective. The fine focus knob visibly moves the stage up and down. Images viewed in the microscope will appear upside down. If a slide is thick, only parts of the specimen may come into focus. The type of microscope you are using is a scanning microscope. For viewing, microscope slides should be placed on the objective. In order to switch from low to high power, you must rotate the revolving nosepiece. The total magnification of a microscope is determined by adding the ocular lens power to the objective lens power.
Which of the following statements regarding electron microscopy is FALSE? Question options: live organisms cannot be viewed with an electron microscope all of these statements are TRUE scanning electron microscopes focus electrons across the surface of a sample electrons pass through a sample viewed using transmission electron microscopy electron microscopes use magnetic fields in place of glass lenses electron microsopes have a better resolving power than light microscopes
The 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
Which of the following is a parameter of microscopy that can affect your ability to resolve a specimen using a compound light microscope? Question options: Contrast Resolving power All of the choices Numerical aperture
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.
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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.
Shown below are several micrographs (images from microscopes) that were taken using different microscopy techniques. Write down what method of microscopy was used and why you thought so. Choices for microscopy techniques are: Transmitted Light Microscopy (techniques of brightfield, phase-contrast, darkfield, DIC all fall under this), Fluorescence Microscopy, Scanning Electron Microscopy, and Transmission Electron Microscopy.
Previous question: For example, you can estimate the field of view diameter at 400x total magnification using the measured diameter at 100x total magnification. The magnification is 4 times greater so the field of view will be 4 times smaller. What is the field of view under the 40X objective of the microscope. - The Answer I got for this question was 3/4mm.

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	increasing wavelength improves ones ability to view microscopic structures
	increasing resolution can improve ones ability to view microscopic structures
	increasing magnification can improve ones ability to view microscopic structures
	all of these statements re TRUE
	increasing contrast can imporove ones ability to view microscopic structures
	oil immersion can increase the resolution of light microscopes