Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3, Problem 4MCQ
A real image is produced by the
- a. ocular.
- b. objective.
- c. condenser.
- d. eye.
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The primary difference between a TEM and SEM is in a. magnification capability b. colored versus black-and-white images c. preparation of the specimen d. type of lenses
The process that most accounts for magnification is a. a condenser c. illumination b. refraction of light rays d. resolution
Match each microscope component with its description or function.
1. Objective
2. Ocular
3. Condenser
4. Diaphragm
a. gathers light rays and focuses on object
b. eyepiece
c. magnifying element located on nosepiece
d.
disk with an opening that adjusts amount of light that contacts
specimen
Chapter 3 Solutions
Microbiology: A Systems Approach
Ch. 3.1 - Explain what the Five Is mean and what each step...Ch. 3.1 - Discuss three physical states of media and when...Ch. 3.1 - Compare and contrast selective and differential...Ch. 3.1 - Provide brief definitions for defined and complex...Ch. 3.2 - Prob. 5AYPCh. 3.2 - Prob. 6AYPCh. 3.2 - Prob. 7AYPCh. 3.2 - Prob. 8AYPCh. 3.2 - Compare and contrast the three main categories of...Ch. 3 - Prob. 1MCQ
Ch. 3 - A mixed culture is a. the same as a contaminated...Ch. 3 - Resolution is ____ with a longer wavelength of...Ch. 3 - A real image is produced by the a. ocular. b....Ch. 3 - Prob. 5MCQCh. 3 - The specimen for an electron microscope is always...Ch. 3 - Prob. 7MCQCh. 3 - Bacteria tend to stain more readily with cationic...Ch. 3 - Multiple Matching. For each type of medium, select...Ch. 3 - A fastidious organism must be grown on what type...Ch. 3 - Agar has the disadvantage of being easily...Ch. 3 - A subculture is a culture made from an isolated...Ch. 3 - Prob. 13TFCh. 3 - Prob. 14TFCh. 3 - The best stain to use to visualize a microorganism...Ch. 3 - What is the functional type of mannitol salt agar...Ch. 3 - Create a short paragraph to differentiate among...Ch. 3 - Prob. 3CTQCh. 3 - a.Create a paragraph to differentiate among the...Ch. 3 - You are a scientist studying a marsh area...Ch. 3 - Visual Connections Blooms Level 5: Evaluate These...Ch. 3 - Prob. 1CM
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- Which microscopy technique is BEST at determining the presence of physical microbial interaction(s)? a Light microscopy. b Scanning or transmission electron microscopy. c Fluorescent microscopy. d Phase contrast microscopy.arrow_forwardA nurse who created a sterile field for a patient is adding a sterile solution to the field. What is an appropriate action when performing this task? a. Place the bottle cap on the table with the edges down. b. Hold the bottle inside the edge of the sterile field. c. Hold the bottle with the label side opposite the palm of the hand. d. Pour the solution from a height of 4 to 6 inches (10 to 15 cm).arrow_forwardThe specimen for an electron microscope is always a. stained with dyes c. killed b. sliced into thin sections d. viewed directlyarrow_forward
- Larger plate height corresponds to which of the following? a. Higher resolution b. Lower resolution c. Slower separation d. Faster separationarrow_forwardB. Write the function/s of each part of the microscope listed below. a. Eyepiece b. Draw tube c. Hemispheric prism housing d. Dust shield e. Revolving Nose Piece f. Objectives: Scanner LPO HPO ΟΙΟ g. Arm h. Coarse Adjustment knob i. Fine adjustment knob j. Slide holder & clip k. Rear knob I. Front knob m. Central aperture n. Condenser o. Iris diaphragm p. Mechanical Stage q. Mirror r. Mirror rack s. Stage adjustment knob t. Basearrow_forwardParagraph 3. If the ocular lens on a microscope has a magnification of 20OX, what is the total magnification of: a. a scanning lens with magnification of 4X b. a low-power lens with a magnification of 1oX c. a high power lens with a magnification of 40X d. an oil-immersion lens with a magnification of 100X 4. Choose how the letter "R" will appear as viewed under a microscope. R B R As viewed with the naked eye b. a. P. 5. True/False a. Begin the focusing process with the high-power objective. b. Store the microscope with the oil-immersion objective in position. c. Use tissue d. The coarse adjustment knob can be used with any objective lens. раper and water to clean the ocular and objective lenses.arrow_forward
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