Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 21, Problem 4MCQ
The common stain used to identify Mycobacterium species is
- a.
Gram stain . - b. acid-fast stain.
- c. negative stain.
- d. spore stain.
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Considering you can’t identify bacteria from a Gram stain, why might a physician perform a Gram stain on a sample before prescribing an antibiotic?
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Chapter 21 Solutions
Microbiology: A Systems Approach
Ch. 21.1 - Prob. 1AYPCh. 21.1 - Prob. 2AYPCh. 21.2 - Prob. 3AYPCh. 21.3 - Prob. 4AYPCh. 21.3 - Prob. 5AYPCh. 21.3 - Prob. 6AYPCh. 21.4 - Prob. 7AYPCh. 21.4 - Prob. 8AYPCh. 21.4 - Prob. 9AYPCh. 21.4 - Prob. 10AYP
Ch. 21.4 - Plan a response for a situation in which a patient...Ch. 21.4 - Compare and contrast antigenic drift and antigenic...Ch. 21.5 - Prob. 13AYPCh. 21.5 - Prob. 14AYPCh. 21.5 - Prob. 15AYPCh. 21.5 - Prob. 16AYPCh. 21.5 - Prob. 17AYPCh. 21.5 - Prob. 18AYPCh. 21.5 - Prob. 19AYPCh. 21 - Prob. 1MCQCh. 21 - Prob. 2MCQCh. 21 - Which is not a characteristic of Streptococcus...Ch. 21 - The common stain used to identify Mycobacterium...Ch. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Which of the following infections often has a...Ch. 21 - Prob. 8MCQCh. 21 - Prob. 9MCQCh. 21 - Prob. 10MCQCh. 21 - Prob. 11TFCh. 21 - Prob. 12TFCh. 21 - Prob. 13TFCh. 21 - Prob. 14TFCh. 21 - Prob. 15TFCh. 21 - Prob. 1CTQCh. 21 - Prob. 2CTQCh. 21 - Prob. 3CTQCh. 21 - In an episode of the television show House. Dr....Ch. 21 - Prob. 5CTQCh. 21 - Prob. 1VCCh. 21 - Prob. 1CM
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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
- Write a paragraph explaining the Gram stain result and the differences in the endospores of these three spices: a) Clostridium perfringes b) Clostridium tetani C) Clostridium botulinumarrow_forwardWhy should a young culture be used in gram staining rather than an old culture?b. Why is it necessary to decolorize only for a few secondsarrow_forwardThe bacterium Bacillus anthracis was stained with gram staining, endospore staining, acid-stain staining and capsule staining. What result would you expect to see? a. none of these answers b. gram positive, endospore negative, acid-fast negative, capsule positive c. gram negative, endospore positive, acid-fast positive, capsule negative d. gram positive, endospore positive, acid-fast negative, capsule positive e. gram negative, endospore positive, acid-fast negative, capsule negative thank you!!arrow_forward
- You make a smear of E. coli and then simple stain the slide with methylene blue. If you failed to use correct aseptic technique by not sterilizing the loop before picking up the bacterial sample for the smear, what results may be seen under the microscope? A Both blue and purple cells may be seen on the slide. B No cells may be visible on the slide. C There may be cells of different shapes, sizes, and arrangements.arrow_forwardthe purpose of a mordant in Gram stain is a. to prevent the crystal violet from leaving the cell b. to make bacteria cell larger c. to fix iodine inside the cell d. to remove simple stainarrow_forwardExplain why it is important to use only a small amount of bacteria when preparing a smear. What are the two things that are stained in a capsule stain? What is NOT stained in a capsule stain?arrow_forward
- When a medical technologist wants to determine if a clinical specimen contains a Mycobacterium species, which should be used?a) Acid-fast stainb) Capsule stainc) Endospore staind) Gram staine) Simple stainarrow_forwardIdentify: 1. Cell shape and arrangement in A? 2. Gram stain reaction in A? 3. Cell shape and arrangement in B? 4. Gram stain reaction in B? 5. Genus and species of B? (component of the normal flora of the skin)arrow_forward(a) Which would be easier to prepare bacterial smear from, liquid or solid culture? Why? (b) Aside from bacteria, can gram staining be used with microbes such as fungi? Explain your answer.arrow_forward
- Which stain is used to distinguish differences between the cell walls of medically important bacteria? a. simple stain b. acridine orange stain c. Gram staind. negative stainarrow_forwardWhich stain is most frequently used to distinguish differences between thecell walls of medically important bacteria?a. simple stain. c. Gram stainb. acridine orange stain d. negativestainarrow_forwardDescribe one error in the staining procedure that would result in a Gram-positive bacterium appearing pink.arrow_forward
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