Identify the oxidase-negative, gram negative bacillus isolated from the blood cultures of a hospitalized patient with a urinary tract infection. The organism produced colorless colonies on MacConkey agar and gives the following

Q: Which of the following is an organism involved in nitrification? Nitrosomonas Clostridium…

A: According to the question, we have to find out which of the following is an organism involved in…

Q: What gram-positive bacterium can give a positive presumptive test?

A: In microbiology, the presumptive test is used to find out the presence of gas-forming lactose…

Q: Kindly fill in the data table attached below.  Microorganism: Entamoeba histolytica If gram…

A: Introduction  Entamoeba histolytica is a microscopic, unicellular, eukaryotic parasite. They comes…

Q: If an unknown bacteria was given that was gram-positive coccus, and the catalase test was performed,…

A: Gram-positive bacteria, such as Staphylococcus aureus, are bacteria that provide a positive response…

Q: What are the purposes of the antimicrobial agents present in the selectivemedia used for the…

A: the purposes of the antimicrobial agents present in the selective media used for the isolation of…

Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink? Explain. 2.…

A: Presumptive tests are cheaper than the confirmatory test. These tests are conducted to ensure the…

Q: What will the appearance of Escherichia coli be on MacConkey Agar red and Eosin Methylene Blue (EMB)…

A: UTIs are commonly caused by uropathogenic E.coli. Extraintestinal infections such as meningitis and…

Q: Why is glucose not the choice of carbohydrate for most differential media used in the identification…

A: Bacilli present in the intestinal tract are rod shaped bacteria.for example, enteric bacteria…

Q: Can you please discuss the principles of using Motility Test Medium for the detection of bacterial…

A: Bacterial motility is usually demonstrated in a semi-solid agar medium. Motile bacteria ‘swarm' in…

Q: What is a generally minimum pH for growth and toxin production by Clostridium botulinum and other…

A: Clostridium botulinum is a Gram-positive, rod-shaped, anaerobic, spore-forming, motile bacteria that…

Q: What is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…

A: Various agar medium are used for plating in order to grow different gram positive and gram negative…

Q: Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b.…

A: EMB stands for Eosin Methylene Blue. This media is used as a seletive stain for the gram negative…

Q: EXPLAIN THE PURPOSE OF THE METHYL RED AND VOGES-PROSKAUER TESTS IN DETERMINING THE IDENTITY OF GRAM…

A: Enterobacteriaceae are the group of various gram-negative bacteria that are responsible for various…

Q: Why is it important to determine the number of mesophilic spores in a food ingredient?

A: Sometimes  spore forming mesophilic bacteria found in food ingradient, mainly in dairy product. It…

Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?

A: Selective media  The media is a kind of growth media which only allow the growth of a perticular…

Q: On what medium is the membrane filter incubated? Describe the appearance of coliforms on this…

A: Membrane filter technique is used for the enumeration as well as isolation of microbes in the water…

Q: If SIM medium was used for motility determination for Proteus vulgaris, what noticeable change to…

A: What is motility? Motility is the ability of an organism to move by itself. Eucaryotic cells use…

Q: What are the differences between bacteriostatic and bacte-ricidal disinfectants?

A: Bacteriostatic refers to the property of preventing the growth of the bacteria, while the…

Q: Determine whether the following organisms is motile or non motile. Microorganisms Motile/ Non…

A: Microbes are the tiny organisms that can be visible as such with eyes but need special type of…

Q: Given: Enterobacteriaceae, Vibrionaceae, Pasteurellaceae and other organisms such as…

A: The bacteria can be first group as gram negative or positive by gram staining

Q: Arcanobacterium haemolyticum may cause pharyngitis or cutaneous infections. It grows as a tiny…

A:

Q: What is the use of hay infusion in determination of microbial motility?

A: Hay infusion use in determination of microbial motility.

Q: Indicate which are the laboratory conditions necessary to cultivate Clostridium bacteria in medium,…

A: A significant human pathogen that is a causative agent for many diseases like botulism, tetanus,…

Q: What method of bacterial measurement does this graph represent? Is it considered direct, or…

A: Here Bacterial growth is measured in terms of absorbance so, bacterial growth is measured with the…

Q: Why are the streak plates incubated at 7°C when selecting for psychrotrophic bacteria?

A: Bacteria are unicellular, prokaryotic organisms which are devoid of membrane bound organelles and a…

Q: What is the Gram Stain reaction for Enterococcus Faecalis and Proteus mirabilis?

A:

Q: Identify the Gram-staining reaction of the following microbes Staphylococcus Streptococcus Bacillus…

A: Gram staining technique is useful in identifying two groups of bacteria based on the cell wall…

Q: Below are morphological, physiological and biochemical characteristics of an unknown luminous…

A: Introduction :- Bioluminescent bacteria are bacteria that produce light and are found in seawater,…

Q: TRUE OF FALSE: Is E coli colonies colorless in Eosin Methylene Blue Agar (EMBA)? Coliform colonies…

A: Answer: Introduction: Bacteria inhabiting or predominantly present the human intestine is…

Q: What are the reasons for finding Gram-positive organisms on a MacConkey agar plate?

A: As per our honor code, we are allowed to answer one question at a moment. You have posted multiple…

Q: what is your initial assumption of the organism causing this disease

A: Bacteria are the prokaryotic microorganism and based on the structural cell walls, Gram stain…

Q: Is there any pH buffering system or device for acidic microbiological experiments?

A: All biological processes are dependent on pH, cells and organisms must maintain their specific and…

Q: Explanation of results in context of unknown Test Purpose Reagents Used Gram-stain Endospore…

A: Pseudomonas aeruginosa  It is an encapsulated, rod shaped bacteria which is responsible for the…

Q: Streptococcus pneumoniae the causative agent of Lobar Pneumonia is a gram positive streptococci that…

A: Streptococcus pneumoniae is a gram-positive, facultative anaerobic bacterium that comes in 100…

Q: selective agar media for gram-positive bacteria?

A: Phenyl Ethyl Alcohol Blood Agar is a selective media for gram positive bacteria.

Q: Based on the results of this Gram stain and the ID matrix below, which of the following microbes…

A: Gram' s staining helps in bacterial identification and their further classification.  On the basis…

Q: Solve the identity of an unknown bacterial specimen by creating a dichotomous key.   Categories:…

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: describe how the pure culture of mycobacterium ulcerans should be inoculated with the culture

A: The Buruli ulcer (BU) is a necrotizing and weakening cutaneous contamination which is caused by…

Q: A culture of Staphylococcus of unknown density is diluted as follows (letters represent each step):…

A: In a microbiology lab - food or environmental  - samples are regularly diluted to find out the…

Q: Gardnerella vaginalis is a gram variable rod. What type of media should be used when culturing for…

A: Gardnerella vaginalis grows primarily on enriched culture media, dominantly used being Modified…

Q: Microorganism Type of Microorganism Gram Stain Shape Tryptic Soy Agar McConkey Agar Blood…

A: *Bascillus cereus is facultative anaerobic bacteria which stains gram positive and shape is rod…

Q: How many different types of colonies can you find on the blood agar plate? describe each. (As shown…

A: Blood agar is general medium that is provided with the nutrients and can be use as a general growth…

Q: How is the CTSA (coconut tryptic soy agar plate) growth medium designed to meet the nutritional need…

A: TSA is a general-purpose plating medium that can be used to isolate, cultivate, and maintain a wide…

Q: Below are morphological, physiological and biochemical characteristics of an unknown luminous…

A: The isolate identified from the above data is Photobacterium.  Photobacterium is a free living, gram…

Q: Describe the appearance of coliforms on Levine EMB agar.

A: Coliform bacteria are found in a diverse range of places like waste products of animals, water…

Q: Describe colonial characteristics of the organisms grown on the different culture media according to…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Why did you perform the catalase test on colonies growing on nutrient agar plates but not on the…

A: Catalase test is used to identify the presence of catalase enzyme in the bacteria. Catalase is an…

Q: Create a dichotomous key Use the following bacteria and place them at the top of your key:…

A: Please find below dichotomous key for the mentioned bacteria categorizing them based on 5 criterias…

Clinical Pharmacology

Pharmacology is a discipline of medicine that studies how medications interact with the systems and processes of living organisms, focusing on drug action mechanisms as well as therapeutic and other purposes.