Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN: 9781133893943
Author: ESTRIDGE
Publisher: Cengage
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Label the parts of the microscope on the diagram below: arm, stage, base, ocular, revolving nosepiece, objective (4x, 10x, 40x), course focus, fine focus, condenser & iris diaphragm (these are marked by the same line)
briefly describe the functions of the following parts of the microscope:
course objective knob, condenser lens, diaphragm, objective lens, illuminator, fine adjustment knob, oil immersion.
If a specimen is being viewed under a 40x objective, and the microscope has a 10x ocular lens, what is the total magnification?
1x
4x
10x
100x
400x
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- Compare bright-field, dark-field, phase-contrast, confocal, andfluorescence microscopy as to field appearance, specimen appearance,light source, and uses.arrow_forwardWhat part of the microscope is used to make small-scale adjustments to the height of the stage? Group of answer choices 1. fine focus 2. iris diaphragm 3. eye pieces 4. coarse focus 5. slide holder adjustmentarrow_forwardWhat are the corresponding ring colors of the objective lenses of the microscope? Scanner _________________________ Low Power Objective (LPO) _________________________ High Power Objective (HPO) _________________________ Oil immersion Objective (OIO) _________________________arrow_forward
- What is the highest magnification of the following microscopes?Bright fieldDark fieldPhase-contrastFluorescenceConfocalScanning EMTransmission EMScanned-Probearrow_forwardMatch the terms on the left with its description _____ stage _____ocular lens ____Diaphragm _____adjustment focusing knob _____Body tube holds the microscope slide lens you look through, usually 10x power regulate the amount of light passing the specimen used to focus on specimen holds the eyepiece upper part of the microscope that contains optical components. holds the object lens magnifies specimen secures that slice to the stage condenses light from the light source into a narrow beam source of illumination magnifies an image 100x,arrow_forwardExplain how to correctly use the microscope using oil immersion.arrow_forward
- What is the viewing field diameter when you use 10X magnification on the dissecting microscopearrow_forwardWhich 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 Microscopearrow_forwardRowena was tasked to measure the actual magnification of her specimen mounted on a slide without drawing or taking a photomicrograph. Which type of microscope should she use? Why? How does it help her get the actual magnification?arrow_forward
- If the ocular lens of a microscope has 10X magnifying power, and the 40X objective lens is being used for observation, what is the total magnification for the viewed image? 10x 43x 1000x 400xarrow_forwardLabel the parts of the compound microscope (a) through (g)and indicate their function. (a) _____________ (b) _____________(c) _____________ (d) _____________(e) _____________ (f) _____________(g) _____________arrow_forwardWhich 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.arrow_forward
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