Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Chapter 4, Problem 3PL
Summary Introduction
Introduction:
Magnification is described as the capability of a lens to amplify the object. It is the degree of visual enlargement that is expressed as a ratio of the size of the image to that of an object. It is measured by the multiples of
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You should always put oil on the slide before you try to get it into focus at low magnification.
You should always put oil on the slide before you try to get it into focus at low magnification.
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what happens to the field of view as magnification is increased useing shccdssively higher power objective lens
Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.This objective lens provides the highest magnification.
Chapter 4 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 4 - The human eye cannot perceive objects less than...Ch. 4 - The objective lenses of the compound light...Ch. 4 - Prob. 3PLCh. 4 - Prob. 4PLCh. 4 - Basic lens cleaning is accomplished using water....Ch. 4 - When preparing a wet mount specimen for viewing,...Ch. 4 - The total magnification achieved using a 10...Ch. 4 - Prob. 8PLCh. 4 - Prob. 1.1ACh. 4 - Prob. 1.2A
Ch. 4 - Prob. 2.2ACh. 4 - If a circular object or specimen extends halfway...Ch. 4 - Prob. 3.2ACh. 4 - Prob. 3.3ACh. 4 - Why is it more difficult to measure the diameter...Ch. 4 - What change occurred in the intensity of the light...Ch. 4 - Prob. 3.6ACh. 4 - Prob. 3.7ACh. 4 - Prob. 3.8ACh. 4 - When you moved the ruler away from you, which way...Ch. 4 - Prob. F4.8ACh. 4 - Prob. 4.2A
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- The numerical aperture of the an objective lens: indicates magnification indicates the clarity indicates light capturing ability indicates the approprite usearrow_forwardMatch the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.This objective lens provides the second-highest magnification.arrow_forwardJohn observed bacteria at 100X under the oil immersion and then decided to go back to 40X objective by raising the oil objective a little to avoid the damage to objective lens. Critique his technique.arrow_forward
- which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular lens magnification = 10x)arrow_forwardWhy are stereomicroscopes often referred to as dissecting microscopes? Stereomicroscopes come apart (dissect) easily. The large distance between the lens and the specimen makes them ideal for dissections. They are good for viewing much smaller objects. Only a few specimens will fit under the stereomicroscope. The two eyepiece lenses on a stereomicroscope give a better perception of depth.arrow_forwardThese cells are being viewed under high power. Use the length of just one cell to estimate the number of cells that can fit into the FOV. Scanning power objective = 5X; Low power objective = 40X; High power objective = 100X; Eyepiece = 10X; Low power field of view (FOV) = 1.5 mmarrow_forward
- Why do you need to always focus slides initially using the x10 objective, even if you wish to usea higher magnification? (Use for report, write more as u can~)arrow_forwardPut the steps for using a microscope in order. While looking through the eyepiece, use the coarse adjustment knob to bring the object roughly into focus. Lower the stage as far away from the objectives as possible. Use the fine adjustment knob to bring the object into sharp focus. Turn on the light. Place the slide on the stage and center it. Turn the nosepiece to the lowest power objective.arrow_forwardMatch the lens (condenser, high-dry, low-power, ocular, or oil immersion) to itsdescription. Choices may be used more than once. This objective lens provides the lowest magnification.arrow_forward
- Contrast for a specimen may be adjusted by _____. Question options: Adjusting the iris diaphragm Lowering the stage Turning off the substage condenser light source Changing the objective lensarrow_forwardAll other things being equal, the objective lens with the highest value for numerical aperture (N.A.) will always have the lowest______? A. Field Of View B. Magnification C. Image Quality D. Limit Of Resolutionarrow_forwardYou should always position the cells or tissues in the center of view before increasing magnification, because... You know that the image will move right as you move the slide to the left. You know that the image will move up as you move the slide down. You know that the center of the field of view will be unchanged. This is the best way to avoid breaking the slide with an objectivearrow_forward
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