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 4.2A
Summary Introduction
To Match: The parts of the microscope with their appropriate description.
Introduction:
A microscope that uses the compound lens system that means two sets of lenses is known as a compound microscope. It helps in obtaining the higher magnification and a two-dimensional image of an object. The different parts of the microscope performed different functions. The coarse adjustment knob moves stage towards or away from an objective lens, whereas, fine adjustment knob moves stage slightly for sharp focus. The objective lens and eyepiece provide different magnifications. Mirrors in the microscope make an image to appear inverted and backward.
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write e, m, n, and b each letter as it would appear under the microscope.
Write the term that the phrase describes. 1. Large knob that moves the stage or objective lens a great distance. Used with scanning or low-power objective lenses only. 2. Flat platform beneath the objective lens on which the microscope slide is placed. 3. Removable lenses that you look through to observe the microscope slide. 4. Small knob that moves the stage or objective lens a very small distance and is used for precision focusing. 5. Extends from the arm and contains the ocular lenses and rotating nosepiece. 6. Lens that condenses light through the specimen and is located below the stage. 7. Light from specimen passes through these lenses first. These lenses are located in the rotating nosepiece. 8. Wide bottom part that supports the microscope. 9. Regulates the amount of light passing through the condenser. 10. Vertical portion that connects the base to the head.
A lab revolving around compound microscopes was conducted. Please answer the following questions (questions 1, 2, and 3).
If a specimen (placed on a slide) has little or no color, what level of light intensity should you use; should the intenisty of the light be high or low (choose)?
Which objective should be in position before you start to focus the microscope?
Which focus knob should you use first with this objective?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Let's say you placed the letter "e" slide on the microscope stage so that it is in the normal, correct orientation. You centered over the light source and under the objective. 1. How would it appear through the ocular lens after focusing? Describe what you would see. 100 in Click or tap here to enter text. Smaller 2. When you move the slide to the left with the stage controls, how does it appear to move through the ocular lens? Click or tap here to enter text.arrow_forwardAnswer the following questions: Why are most cells so small? Why cell size is limited? List two instances when the coarse adjustment knob is never used Why is immersion oil used with the 100X objective? List two common problems associated with using the microscope and how you would go about solving it. When should the lenses be cleaned? What is the correct way to clean them?arrow_forwardLabel 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)arrow_forward
- Assume you are observing the diatom pictured in Figure 1 using the 10X lens in a compound light microscope. You move to the 40X lens and then again to the 100X lens by only rotating the turret (remember that the lenses are parfocal), without making any other adjustments to the microscope. c) After making your adjustments, you notice that the midline of the diatom is in focus while the remainder is blurry. Explain, based on microscopy principles, why this has occurred Provide a description of the procedure to prepare an acidic stain of bacteria using Nigrosin as it would appear in the Methods section.arrow_forwardLabel all parts of the microscope shown on the diagram below. Type the labels into the corresponding number list on the next page. The parts of the microscope are described on the previous page. 2 9 3 4 6 7 8 1 15 10 11 12 13 14 2arrow_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?arrow_forward
- Rowena 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_forwardShown 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.arrow_forwardYou have placed a microscope slide in a microscope and want to view it at with the 10X objective lens. List the steps that are necessary to set up and focus the microscope properly using the 10X objective lens.arrow_forward
- Ana 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?arrow_forwarda. Why must you slowly turn the fine adjustment knob? b. Is natural light or is artificial light used when using the microscope?arrow_forwardWhen carrying a microscope you should always have one hand on the base and the other on the arm. True Falsearrow_forward
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