Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 21, Problem 5Q
Three microorganisms in this chapter can be identified via a
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Identify the Gram-staining reaction of the following microbes
Staphylococcus
Streptococcus
Bacillus
Clostridium
Lactobacillus
Mycobacterium
Rickettsia
Mycoplasma
Chlamydia
What is the theory about the mechanism of the Gram-stain reaction? provide in paragpraph
PLEASE PROVIDE REFERENCES IF POSSIBLE THANKS.
Complete the following table with your observations from the prepared slide
Name of the
Bacteria
Type of
Endospore
Staining Technique
(+ or −)
Drawing
Clostridium botulinum
Clostridium perfringens
Bacillus anthracis
Chapter 21 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 21.1 - Prob. 1AYPCh. 21.1 - Prob. 2AYPCh. 21.2 - Prob. 3AYPCh. 21.3 - List the possible causative agents, modes of...Ch. 21.3 - Discuss important features of leptospirosis.Ch. 21.3 - Prob. 1NPCh. 21.3 - Medical Moment Cranberry versus UTI It has long...Ch. 21.4 - List the possible causative agents, modes of...Ch. 21.4 - Prob. 7AYPCh. 21.4 - Prob. 8AYP
Ch. 21.4 - Prob. 9AYPCh. 21.4 - Prob. 10AYPCh. 21.4 - Prob. 11AYPCh. 21.4 - Prob. 12AYPCh. 21.4 - Prob. 2NPCh. 21.4 - Prob. 3NPCh. 21.4 - Prob. 2MMCh. 21 - Prob. 1QCh. 21 - Some of the E. coli strains that are normal biota...Ch. 21 - Many STIs are asymptomatic, or remain latent for...Ch. 21 - Prob. 4QCh. 21 - Three microorganisms in this chapter can be...Ch. 21 - Prob. 6QCh. 21 - Prob. 7QCh. 21 - Prob. 8QCh. 21 - Prob. 9QCh. 21 - Prob. 10QCh. 21 - Prob. 11QCh. 21 - Prob. 12QCh. 21 - Prob. 13QCh. 21 - Prob. 14QCh. 21 - Prob. 15QCh. 21 - Prob. 16QCh. 21 - Prob. 17QCh. 21 - Prob. 18QCh. 21 - Prob. 19QCh. 21 - Prob. 20QCh. 21 - Prob. 21QCh. 21 - Prob. 1VC
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- The acid fast bacterium, Mycobacterium smegmatis, is relatively safe for students to work with because of its thin cell wall. If a gram stain is to be performed on this particular microbe, it often takes the gram stain reaction. Why?arrow_forwardDescribe one error in the staining procedure that would result in a Gram-positive bacterium appearing pink.arrow_forwardHow would a Gram stain distinguish this organism from Neisseria meningitidis?arrow_forward
- Gram negative bacteria do not retain the stain when washed with alcohol.Comment.arrow_forwardAfter the original specimen has been plated and a reported gram-negative rod was seen on the initial gram stain, what is your initial assumption of the organism causing this disease?arrow_forwardThe decolorizing agent damages the peptidoglycan layer. Why is this important to consider when deciding how long to decolorize a specimen as part of the Gram stain procedure?arrow_forward
- 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_forwardWhen you interpret a Gram-stained smear, you should also describe the morphology (shape) of the cells, and their arrangement. In the figure below, there are two distinct types of bacteria, distinguishable by Gram stain reaction, and also by their shape and arrangement. Below, describe these characteristics for both bacteria: Gram positive bacterium Gram negative bacterium Morphology cocci bacillus Arrangementarrow_forwardWhich of the following serves as a counterstain for the gram-stain technique? It also happens to be the counterstain for the endospore staining technique.arrow_forward
- Describe the bacteria observed in different staining procedures. Please refer to the photo - Gram Stain - Acid fast stainarrow_forwardThis is a Microbiology question about blood culture analyzers such as the BactecWhat is the process a technician takes if the analyzer alarms for a positive bottle?What action(s) are taken if there are no organisms seen in the Gram Stain made from that bottle?arrow_forwardWhat makes standard plate count more sensitive than a microscopic count?True or False:Appearance (color, shape) of colonies growing on TGYA can be used to determine what group of microorganisms it belongs to.arrow_forward
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