2. What microorganisms other than coliforms are likely to give positive presumptive test?
Q: What is the minimal concentration (MIC) for disinfectant number 1? Just write the corresponding…
A: Minimum Inhibitory Concentration is defined as the least concentration of a substance that does not…
Q: 1. What are the pre-analytical phase in doing the Direct Fecal Smear? 2. Discuss the Cleaning and…
A: Direct Fecal Smear is done for checking the presence of bacteria and parasites.
Q: 1-________terms describe the form of bacterial colonies on nutrient agar plate. 2- ______ is a terms…
A: INTRODUCTION A growth medium, also known as a culture media, is a liquid or gel that helps bacteria,…
Q: 1. In the cases presented, what was the most probable route of transmission of the pathogen? 2.…
A: In the given case study, an outbreak of cryptosporidiosis was traced to the Seneca lake state park.…
Q: can you please explain how to interpret the results Of this. First one is negative blood agar test…
A: Blood agar is one of the differential media supports the growth of certain fastidious bacteria that…
Q: State brief description of handwashing. 2. State the purpose of handwashing
A: Hand washing is also known as hand hygiene. It is the act of cleaning one's hand with soap and water…
Q: 5. Define the following terms a. Sterilization b. Asepsis c. Disinfection d. Antisepsis e.…
A: 1)Sterilization is a technique that uses physical or chemical ways to eradicate or eliminate all…
Q: 1. Differentiate the tubed media. 2. Discuss the different streaking methods. 3. What is the…
A: 1 ) Tubed media enables the isolation and identification of micro organisms.Tubed media are ideal…
Q: Why do you disinfect your work area at the beginning of lab and then again at the end of lab? 2.…
A: Pure culture - In microbiology if one organisms cultured in midium. It is obtained from mixed…
Q: Urinary Tract Infection
A: 1. Critical threshold refers to transition range when small change in spatial pattern produces…
Q: 1. While working with Mannitol Salt Agar you notice the growth of staphylococci however other…
A: Mannitol Salt Agar is a selective and differential media used in microbiology.
Q: 4. From all antiseptics & disinfectants tested in class which agent worked the best against…
A: In disk test, by looking at the zone of inhibition, one can say which antiseptics &…
Q: 2. Please explain how the use of an Eosin Methylene Blue Agar plate can help determine the type of…
A: Eosin Methylene Blue (EMB) agar is both selective and differential culture medium. It is a selective…
Q: 5. In this serial dilution process, WHICH PLATE will the microbiologist chose to count colonies for…
A: The microbial counts for the liquid and solid samples are usually determined - suspensions of E.…
Q: Please explain briefly how the Bile Esculin Test works. How is a positive test attained? What does…
A: Bile esculin agar is a selective and differential medium. The selective component is “bile”, while…
Q: 1. The selective ingredient in mannitol salt agar is ______________, which selects for the growth of…
A: The microbial culture is useful for growing the bacteria under controlled conditions in a…
Q: 4. When an organism is positive for the coagulase enzyme, which of the following would be present in…
A: Coagulase test is performed to detect whether the organism is able to produce the coagulase enzyme…
Q: Please answer fast
A: Uninary tract infection (UTI) is an infection in any part of your urinary system — your kidneys,…
Q: 9. Complete the table by transcribing the following culture media, classify as to…
A: Introduction : A growth medium, also known as a culture medium, is a solid, liquid, or semi-solid…
Q: Give the importance and purpose of the Cetrimide Test. 2. being performed - Dry Filter Paper…
A: Disclaimer: Since you have asked multipart question I will answer 3 question. Introduction The…
Q: List the different reagent strip tests with their principle 2. Enumerate 5 clinical significance…
A: DIFFERENT REAGENT STRIP TEST:- 1.Urobilinogen 2.Bilirubin 3.Ketone 4.Blood 5.Protein 6.Nitrite…
Q: Define the following terms: culture: synthetic media: complex media: agar:…
A: Introduction Microbiology:- It is the study of all living organisms that are too small to be visible…
Q: The catalase test is used to primarily differentiate Staphylococi from _____________. A.…
A: The enzyme, catalase, is produced in the bacteria that respire using oxygen. The main role of the…
Q: Match the confirmation test to the category of bacteria. (each category can be used multiple times)…
A: Gram-positive bacteria are bacteria that test positive in the Gram stain test, which has…
Q: Q.16 Trausport medium for bacteriological specimen is : A. Nutrient agar B. Blood agar C. Chocolate…
A: Answer: Introduction: Mixture of nutrients for the growth of microorganisms like bacteria is called…
Q: Placing bacteria onto the medium in a Petri dish is known as
A: Bacteria are the unicellular prokaryotic organism. Bacteria belongs to the kingdom Monera. Bacterias…
Q: An outbreak of Methicillin-resistant Staphylococcus aureus (MRSA) in the surgical ward at the…
A: A fluid sample is taken from wound, nose, blood or urine. The cobas vivoDx MRSA test uses a new…
Q: A patient suspected to have a UTI infection had a metallic green growth on EMB agar and also had…
A: The correct option for the answer is Option B E.coli The positive test on Blood agar suggested that…
Q: Which of the following method is commonly used for the diagnosis of the acute amoebic dysentery? a)…
A: Amebiasis is an intestinal (bowel) ailment brought about by a minute (minuscule) parasite called…
Q: 4. Suppose after an analysis of lake water used for drinking that you concluded that coliforms were…
A: Califorms are the group of bacteria that commonly lives in the intestine of animals and also found…
Q: discuss the disinfection protocols for removing potential pathogens in frequently- used…
A: In laboratories, sterilization is an important process in which the vessels, surroundings and the…
Q: 4. Use the words presented in below to create a concept map illustrating the relationships among…
A: All these terms mentioned in the question, are related to the isolation, cultivation, and…
Q: Which of the following pieces of information need to be cited in a microbiology lab report?
A: Pseudomonas aeruginosa is a common encapsulated, rod-shaped bacterium that can cause disease in…
Q: 1. Give the results and interpretation from the biochemical tests of Escherichia coli. • Urease Test…
A: Hi, thank you for your question. For a related subparts question, we are authorized to answer three…
Q: The main of objective of using 13-Line streaking method is to get:
A: Answer: 13-Line streaking method: It is the technique of obtaining pure bacterial culture by…
Q: 1. Give the principle involved in the operation of the following instruments and their specific…
A: Any method that removes, kills, or deactivates all forms of life is referred to as sterilization (in…
Q: 10 mL of a culture of Enterobacter at 104 cells/mL is introduced into 990 mL of the same broth at…
A: Growth curve of bacteria is the type of curve that tells us about the number of live cells of the…
Q: Types of specimens are given. Match the following to their advantage. A. Less contaminated by…
A: The specimen for particular test may have following results or advantages :
Q: 1) would you describe the contents of the soil-inoculated broth as being a “pure culture”? Why or…
A: 1. A soil-inoculated broth cannot be considered as a “pure culture”. A pure culture is a collection…
Q: 1. What kinds of media would be used to culture and Identify this microbe? 2. What are some other…
A: Hi, Thanks For Your Question. 1. What kinds of media would be used to culture and identify this…
Q: The colonies on a positive MSA plate would appear ________________. 2. Which of the following tests…
A: Introduction Coliform is the gram-negative bacterial specie that can be motile or non-motile and are…
Q: 1. Draw and describe the possible result that may be observed on an agar plate that utilized a…
A: When information indicates that the microorganism is micrococcus.
Q: Describe the process of qualitative water test for coliform contamination. If shown EMB plates, be…
A: * Coliform bacteria are Bacteria and stains Gram negative and they can be motile or non motile…
Q: 2. Is the test tube a A) broth, B) slant, or C) deep agar medium? What is the name of the medium…
A: 1. Broth 2. Hektoen enteric agar is selective for Gram-negative bacteria.
Q: . Why not test water samples directly for Salmonella typhosa or other pathogens?
A: Salmonella Typhi bacteria infect the blood and intestine of humans. The disease caused by this…
Q: 1. Discuss the following test highlighting on the procedures and positive result: a. Bachmann…
A: If you test in a community testing program or take a self test and it positive you should go to a…
Q: 1. Describe the three different type of hemolysis that are observed on blood agar
A: (Note: According to guidelines, we are supposed to answer only 1 question. Please repost other…
Q: 24. Which of the following used as stool surfactants: (a) Methylcellulose (b) Senna (c) Psyllium (d)…
A: Stool surfactants are used also called as a stool softeners mainly used to treat the constipation.…
Q: 1. Explain briefly the difference between the Coagulase Test and the Catalase Test. 2. Give three…
A: Coagulase and Catalase tests -- Tests used to differentiate in the species of morphologically…
Q: How would you interpret the following result of the Bile Esculin Test: "Growth of the bacteria is…
A: Introduction :- The bile-esculin test is a biochemical test which is performed to differentiate the…
2. What microorganisms other than coliforms are likely to give positive presumptive test?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 1. The selective ingredient in mannitol salt agar is ______________, which selects for the growth of Staphylococcus organisms.2. Please explain how the use of an Eosin Methylene Blue Agar plate can help determine the type of fermenters bacteria are1. The colonies on a positive MSA plate would appear ________________. 2. Which of the following tests can be used to distinguish between Coliform and Non-coliform strains? Mannitol Salt agar Coagulase test McConkey agar Bile eschulin agar Simmon's Citrate agar
- 1. Explain why the following steps are essential during sub-culturing: a. Flaming the inoculating instrument prior to and after each inoculation b. Holding the test tube caps in the hand as illustrated in Figure 1. c. Cooling the inoculating instrument prior to obtaining the inoculum d. Flaming the neck of the tubes immediately after uncapping and before recapping 2. Describe the purposes of the sub-culture procedure. 3. Explain why a straight inoculating needle is used to inoculate an agar deep tube. 4. What is the indication of bacterial growth in each of the media? (nutrient broth, nutrient agar slant, nutrient agar deep? 5. Enumerate the Good Microbiological Practices encountered in the activity. 6. Upon observation of the nutrient agar slant culture, you strongly suspect that the culture is contaminated. Outline the method you would follow to ascertain whether your suspicion is justified.2. Mechanical disinfection is typically more effective than manual techniques.3. Why not test water samples directly for Salmonella typhosa or other pathogens?
- 1. How would you interpret the following result of the Bile Esculin Test: "Growth of the bacteria is present however no darkening of the agar can be observed after 48 hours." Please explain.1. What are the two ways that nitrate can be reduced by the bacteria. Explain briefly. 2. What organisms are being differentiated in the butyrate disc test. Explain its reaction to the test.1-The method of sterilizations we used in the tissue culture lab a. Fumigation b. Filtration C. Autoclave d. Sun light
- 1. “Coliform bacteria are the only group of micro-organisms considered suitable for themonitoring of faecal pollution.”Is the statement above still valid? Motivate your answer and briefly describe at two othertypes of indicator organisms. 2.4. discuss the disinfection protocols for removing potential pathogens in frequently- used environments.1. Determine the amount of dehydrated medium needed to prepare 50 nutrient agar plates. Include amount for 2 additional plates as excess to compensate for compounding losses. 2.
