Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
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.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following describes the usefulness of a Gram stain. Select all that apply.
a. A Gram stain can be used to check for bacteria at the site of a suspected infection or in certain body fluids, such as blood or urine.
b. A Gram stain can be used to determine whether penicillin will be effective at treating the patient or whether a different antibiotic should be used.
c. A Gram stain can determine whether the bacteria have a thick or thin layer of peptidoglycan in their cell wall.
The 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!!
observe the transparent bacteria under bright field microscope, we use
a. Simple staining
b. Gram staining
c. Negative staining
d Direct staining eAll the above
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. 2CFCh. 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. 1CFCh. 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 - Prob. 4CTQCh. 21 - Prob. 5CTQCh. 21 - Prob. 6CTQCh. 21 - In an episode of the television show House. Dr....Ch. 21 - Prob. 8CTQCh. 21 - Prob. 9CTQCh. 21 - Prob. 10CTQCh. 21 - Prob. 1CCCh. 21 - Prob. 2CCCh. 21 - Prob. 3CCCh. 21 - Prob. 4CCCh. 21 - Prob. 1VCCh. 21 - Prob. 2VCCh. 21 - Prob. 1CM
Knowledge Booster
Learn more about
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
- The broth culture of Bacillus subtilis showed growth even after extended heating in a waterbath, while Serratia marcescens did not. This is due to: a. Bacillus subtilis is Gram-positive, while Serratia marcescens is Gram-negative b. Bacillus subtilis is a spore former c. the pigment of Serratia marcescens absorbs more radiation than other cells d. Bacillus subtilis has enzymes that protect it from ozonearrow_forwardWhich one of the following is the most resistant microorganism for sterilization: Select one: a. Lipid enveloped viruses b. Gram negative bacteria c. Gram positive bacteria d. Mycobacteriumarrow_forwardWhich of the following acts as the decolorizer in the gram staining? A. Safranine B. Iodine C. Ethanol D. Crystal Violetarrow_forward
- the 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_forwardA differential stain can: A separate bacteria into groups by cytoplasm composition R separate bacterial into groups by the presence of unique structures separate bacteria into groups by cell wall composition C. D. Identify viruses identify bacterial capsules and endospores OE. A Moving to the next question prevents changes to this answer.arrow_forwardWhich of the following methods is most sensitive for identifyingdifferent strains of a microbe?a. microscopic examination b. hemolysis on blood agar c. DNA analysis d. agglutination testarrow_forward
- 13. A staining that divides organisms into two groups depending on their staining is referred to as __________. a) simple staining b) differential stain c) structural staining d) morphological stainingarrow_forwardAttached below is the study about the effects of handwashing and the effectiveness of soap against bacteria. What conclusions can be generated from this result? (see rubrics for the point marking) A before washing hands C 10 second hand wash B D hot water only rinse 30 second hand wash Figure 8: Agar plates with bacteria A) before washing hands B) after rinsing hands in hot water C) After washing hands with soap for 10 seconds and D) after washing hands for 30 seconds. Images show that the number of bacteria on the plate are not greatly reduced after a hot water rinse or 10 second handwash but bacterial levels are reduced after a proper hand wash for 30 seconds.arrow_forwardBacillus subtilis and Bacillus cereus most likely showed greater resistance to UV light than Serratia marcescens. This is due to: a. Bacillus spp. are Gram-positive, while Serratia marcescens is Gram-negative b. the Bacillus spp. are spore fonners c. the pigment of Serratia marcescens absorbs more radiation than other cells d. Bacillus spp. have enzymes that protect them from ozonearrow_forward
- Attached below is the study about the effects of handwashing and the effectiveness of soap against bacteria. What conclusions can be generated from this result? A C before washing hands 10 second hand wash B D hot water only rinse 30 second hand wash Figure 8: Agar plates with bacteria A) before washing hands B) after rinsing hands in hot water C) After washing hands with soap for 10 seconds and D) after washing hands for 30 seconds. Images show that the number of bacteria on the plate are not greatly reduced after a hot water rinse or 10 second handwash but bacterial levels are reduced after a proper hand wash for 30 seconds.arrow_forwardYou 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_forwardWhich of the following is not an aim of fixation? A. To prevent putrefaction B. Remove excess water from the tissue C. Prevent osmotic swelling D. Render the tissue suitable for subsequent stainingarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeEssentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
Bacterial Structure and Functions; Author: Osmosis;https://www.youtube.com/watch?v=b15Hy3jCPDs;License: Standard youtube license