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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Question
Chapter 4, Problem 3.3A
Summary Introduction
To analyze:
The diameter of the scanning power field of view compare with that of the low power field.
Introduction:
Magnification is the ability of a lens to magnify 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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Students have asked these similar questions
What is the total magnification of 4x objective lens and diameter of field of view in micrometers?
Use the iris diaphragm to attain the best illumination of the letter “e” on the scanning (4x) objective. Open and close the iris diaphragm and notice the changes in contrast of the letter “e”. How did the appearance of the letter “e” change under the various levels of illumination?
1 Repeat the above procedure on the high-power (40x) objective. When increasing magnification, what happens to the light available? Why?
Indicate how the resolving power is determined and how resolution aff ects image visibility.
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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- Indicate how the resolving power is determined and howresolution affects image visibility.arrow_forwardThe pupil of a person's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?arrow_forwardIf you have a transparent or thin specimen, do you need to open or close the iris diaphragm? As magnification decreases, does the light intensity need to increase or decrease?arrow_forward
- can you explain to me what does the numerator and denominator mean in the visual acuity chart?arrow_forwardwhich objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular lens magnification = 10x)arrow_forwardSuppose you measure the scanning (4x) field of vision diameter with a stage micrometer and it is 2 mm. If high power is 40X, and gives 10X more magnification than scanning power, how big will the diameter of the field of vision be using high power?arrow_forward
- How can you improve contrast when viewing a specimen?. What should you do if you have difficulty focusing in high power?. Why is important to use the fine adjustment nob only when focusing while using the high dry objective lens?arrow_forwardWhat did you notice about the Human Palmar Skin photomicrographs shown at (a) 400x vs (b) 100x TM? Why do you think your instructor is asking you to look at it at two different total magnifications? What did you notice about the Scalp Bald Human photomicrographs shown at (a) 40x vs (b) 100x TM? Why do you think your instructor is asking you to look at it at two different total magnifications? What shows up well on the Human Palmar Skin photomicrograph but not the Scalp Bald Human? What whos up well on the Scalp Bald Human photomicrograph? How is the histological structure of the sweat gland completely and totally different from that of the sebaceous gland? Comment on the epithelium type, the arrangement of the cells, and the locations of the glands. What type of epithelium lines the visceral serosa? What type of connective tissue is deep to the epithelium of the visceral serosa? What type of connective tissue is part of the parietal serosa? What are the names of the 3 types of covering…arrow_forwardDIRECTION: 1) ILLUSTRATE THE SPECTROPHOTOMETRIC WORKFLOW PROCESS STARTING FROM THE LIGHT SOURCE UP TO THE READ-OUT DEVICE. MAKE SURE TO LABE COMPLETELY.arrow_forward
- Differentiate between the concepts of magnifi cation, refraction, and resolution and explain how they contribute to the clarity of an image.arrow_forwardCan you use the fine adjustment knob so that you can focus on all three threads simultaneously when viewing them under high power? Why or why not?arrow_forwardDescribe the process of Spirometry Confirmation of Dynamic Compression?arrow_forward
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