EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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Chapter 4, Problem 5MC
Summary Introduction
Introduction:
The images that cannot be viewed with a naked eye can be viewed under the microscope. It is an instrument, which is made up of a combination of lenses, through which the image can be viewed under a light background.
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The total magnification achieved when using a 100× oil immersion lens with 10× binocular eyepieces is a. 10×. b. 100×. c. 200×. d. 1000×. e. 2000×.
Match the objective lenses with permissible behaviors: For some rows you’ll list more than 1 objective lens
Adjust focus using coarse adjustment knob
Adjust focus using the fine adjustment knob
Use oil to connect the slide to the lens
Adjust the light using the condenser and/or iris diaphragm
A. 4X B. 10X C. 40X D. 100X
The most useful adjustment for increasing image contrast in lowpower magnification is a. closing down the diaphragm. b. closing one eye. c. opening up the diaphragm. d. placing a drop of oil on the slide. e. using a blue filter.
Chapter 4 Solutions
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 4 - Prob. 1TMWCh. 4 - Why is a Gram-negative bacterium colorless but a...Ch. 4 - Why didnt Linnaeus create taxonomic groups for...Ch. 4 - Necrotizing Fasciitis Fever, chills, nausea,...Ch. 4 - Why is magnification high and color absent in an...Ch. 4 - Prob. 1MCCh. 4 - Prob. 2MCCh. 4 - Prob. 3MCCh. 4 - Curved glass lenses _________ light. a. refract b....Ch. 4 - Prob. 5MC
Ch. 4 - Prob. 6MCCh. 4 - Prob. 7MCCh. 4 - Prob. 8MCCh. 4 - Prob. 9MCCh. 4 - In the binomial system at nomenclature, which term...Ch. 4 - Prob. 1FIBCh. 4 - Prob. 2FIBCh. 4 - Prob. 3FIBCh. 4 - Fill in the Blanks 4. ___________ refers to...Ch. 4 - Fill in the Blanks 5. Cationic chromophores such...Ch. 4 - Prob. 1VICh. 4 - Label the microscope.Ch. 4 - Prob. 1SACh. 4 - Critique the following definition of magnification...Ch. 4 - Prob. 3SACh. 4 - Put the following substances in the order they are...Ch. 4 - Prob. 5SACh. 4 - Prob. 6SACh. 4 - Prob. 7SACh. 4 - Prob. 8SACh. 4 - Miki came home from microbiology lab with green...Ch. 4 - Why is the definition of species as successfully...Ch. 4 - With the exception of the discovery of new...Ch. 4 - Prob. 4CTCh. 4 - Prob. 5CTCh. 4 - In what ways are the Gram stain and the acid-fast...Ch. 4 - Microbiologists have announced the discovery of...Ch. 4 - Why is the genus name Coccus placed within...Ch. 4 - A clinician obtains a specimen of urine from a...Ch. 4 - Using the following terms, fill in the following...
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- The coarse and fine focus knobs adjust the distance betweena. the objective and ocular lenses.b. the ocular lenses.c. the ocular lenses and your eyes.d. the stage and the condenser lens.e. the stage and the objective lens.arrow_forwardBefore the oil immersion lens is rotated into place, you should a. center the object of interest in the preceding lens. b. lower the stage with use of the coarse focus adjustment knob. c. place a drop of oil on the slide. d. Both (a) and (c) are correct. e. All are correct.arrow_forwardWhat is the rule for determining total magnification? A. Ocular lens magnification + objective lens magnification = total magnification B. Ocular lens magnification - objective lens magnification = total magnification C. Ocular lens magnification x objective lens magnification = total magnificationarrow_forward
- All 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_forwardHow 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_forwardAmplitude summation occurs in phase-contrast optics when both direct and diffracted rays area. in phase.b. in reverse phase.c. off 41 wavelength.d. None of these is correct.arrow_forward
- Which of the following affect the resolution of a specific objective lens? CHECK ALL CORRECT CHOICES. Magnification Numerical Aperture (NA) Warelengthrofgnt combg tough t Field of Viewarrow_forwardwhat happens when you change the objective lensearrow_forwardThe purpose of the ocular lens is to O increase the light. magnify the image from the objective lens. O decrease the light. O improve resolution. O decrease the refractive index.arrow_forward
- Photoreceptors present in this structure are sensitive to light O a. Structure E Ob. Structure B Oc. Structure C d. Structure I Karrow_forwardTo alter the amount of light coming through the stage someone should adjust the: Group of answer choices 1. eye pieces 2. coarse focus 3. objective 4. iris diaphragm 5. fine focusarrow_forwardSelect ALL the correctly matched terms: a. Immersion oil/ Oil with a different refrative index than air, used to enhance magnification b. Luminescence/ Absorption of light and energy within a sample c. Fluorescence/ Absorbed light rays are changed into longer wavelengths and re-emitted d. Diffraction/ Bending of light rays around an openingarrow_forward
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