Three of five patients who underwent heart valve replacement surgery developed bacteremia. The causative agent was Enterobacter cloacae. What were the patients’ signs and symptoms? (give 2 very significant symptoms) How would you identify this bacterium? (suggest 1 very effective method).  A manometer used in the operations was culture-positive for E. cloacae. What is the most likely source of this contaminant? (give 1 valid contaminant) Suggest 1 way of preventing such occurrences.

Q: What precautions must be observed when collecting fecal specimen for examination?

A: To diagnose conditions that affect the digestive tract there are some tests done with stool…

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

A: Use the following bacteria and place them at the top of your key: Enterococcus faecalis…

Q: label all components of the fluid thioglycollate tubes, include color seen in tubes, presence oxygen…

A: Fluid Thioglycollate Media The fluid thioglycollate media is specifically designed to test the air…

Q: Two patients are admitted to the hospital with bacterial gastrointestinal disease. Patient #1…

A: Gastroenteritis  - It is the Inflammation of stomach and intestines ( Gastrointestinal tract)…

Q: What is this organism? And what other test could be done to confirm it's identification? 1.Gram…

A: Introduction : Chris Grams classified bacteria into two types according to how they appeared under…

Q: An 18-year-old male went to the emergency room after experiencing intense and sudden headaches,…

A: Infection is the presence of microorganisms in the body causing harm to a person. The microorganism…

Q: Organism - Enterobacter aerogenes 1. 1. Every organism is unique! Provide some interesting facts or…

A: Bacteria are organisms not visible to the naked eyes that are found in almost every part of the…

Q: The most common preferred portal(s) of entry for human pathogens is (are): 1. Mucous membranes…

A: The infectious agents enters the body through the various of the portals including the skin ,…

Q: What do you think is the medical condition of the patient? Justify

A: Given above is a case study in which the subjective and objective details of the patient along with…

Q: Which of the following common causes of healthcareassociated infections is an environmental organism…

A: The infections which people get when they are receiving health care for another condition are called…

Q: Which of the following bacteria is associated with gastric and duodenal ulcers? Select one: a.…

A: Bacteria are prokaryotic microorganisms that are both pathogenic and form normal flora of the human…

Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…

A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.

Q: Which of the following bacterial species is considered normal flora of the mouth? O 1) Streptococcus…

A: The oral microflora is a collection of microorganisms that live in the mouth. There are about 700…

Q: Two patients, with identical medical histories are in adjacent hospital beds. Each is infected with…

A: Answer The encapsulated bacteria in patient A were resistant to Phagocytosis.

Q: Provide the names of the two unknowns using the list of tests attached below .List of possible…

A: Gram stain: microscopy reveals gram positive rod shaped bacilli MSA:no growth on MSA. blood test:the…

Q: Raw poultry can carry Salmonella or Campylobacter bacteria, both of which produce toxins that can…

A: Answer: Salmonella Bacteria - Salmonella os a genus of rod shaped bacteria and gram negative…

Q: Which of the following would be present in highest numbers in the indigenous microflora of the skin?…

A: Indigenous microflora Our skin contains various microorganisms such as bacteria fungi  which are not…

Q: Patient TM is 65 years of age and was recently given a 13C-Urea breath test due to recent…

A: A diagnostic , painless and non-invasive procedure. Patient has to drink a small cup of water while…

Q: Identify which of the following is pathogenic and non-pathogenic and give a brief explanation on…

A: 1. Naegleria floweri: classification Domain.       :      Eukaryota Kingdom.     :.     Excavata…

Q: In bone marrow culture, immobile, non-hemolyzed, oxidase, catalase, and urease positive gram…

A: e) Stenotrophomonas maltophilia

Q: For which one of the following enteric illnesses is a chronic carrier state most likely to develop?…

A: Chronic carrier state refers to acts as the carrier or reservoir of the pathogen and the carrier has…

Q: The pathogen Neisseria meningitidis has the nickname "the meningococcus". What is meningococcemia?…

A: Ans-(B) N. meningitidis in the bloodstream.

Q: Prepare a concept map on the large and diverse family of Enterobacteriaceae. The following are some…

A:

Q: Which of the following bacteria is the most common isolate from blood? Vibrio cholerae…

A: Bacterial and viral infections, can cause mild, moderate, and severe diseases. Bacteria are…

Q: Identify wether the following terms are intestinal or extra-intestinal. (answer 1 to 6) 1. Taenia…

A: Introduction  A parasite is a microorganism that lives on or in its host and feeds on or at the…

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 is the most common bacteria found in the skin flora and caused catheter-related infections? a)…

A: Bacterial diseases include any type of illness or disease caused by bacteria, a type of microbe.…

Q: Bacterial (e.g., S. pneumoniae) pneumonia is commonly manifested by a cough productive of sputum,…

A: PNEUMONIA: Pneumonia is a disease of the lungs that causes consolidation of the lung parenchyma.…

Q: What are the common pathogens isolated from stool samples? What is the difference between a coliform…

A: A pathogen is living thing that causes infection. Infections and microorganisms can be microbes,…

Q: Which of the following is not an acid fast bacterium:  A. Mycobacterium tuberculosis  B.…

A: Acid-fast bacteria stain red after acid-fast staining due to the existence of their cell wall.…

Q: What are the shape, arrangement and gram staining use of the following? Staphylococcus aureus…

A: The bacterial morphology and Gram staining is very much important to study a particular type of…

Q: It is a known fact that the human digestive tract is populated with ±351 different type of…

A: The microorganisms present in the gut play a crucial role in digestive health, but also influence…

Q: Enterotube: Which group of bacteria are detected using this test? Which specific chemical tests are…

A: The Enterotube is an illustration of a quick, multi test framework utilized in Identifying of…

Q: A 23-year-old man develops explosive bloody diarrhea approximately 3 days after eating chicken that…

A: Diarrhea is characterized by the passage of watery or loose stool, at least three times a day. In…

Q: I am having trouble understanding and explaining how I should explain this in lamen terms and which…

A: Introduction  There are various methods available for the classification of microorganisms such as…

Q: Which of the following is true of commensal bacterium?   Question 2 options:   A)  commensal…

A: Answer- Commensal bacterias are the part of microbiota that induces immune response against the…

Q: If there is a causal relationship between the presence of H. pylori and ulcers, how might you…

A: Warren and Marshall were the two pathologists, who collaborated on the study of a kind of spiral…

Q: Which of the following is not a good portal for entry for a pathogen?   A) Nasal cavity B) Skin C)…

A: Pathogen is an organism that cause diseases. There are several entry points in the body that causes…

Q: Write the most likely causative microorganism and disease of the following cases and explain sign,…

A: When in an injury or infection, we often see a thick colored fluid oozing out of the site of…

Q: Which strain of bacteria was determined to be disease causing agent in the Brussels sprout and other…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: Which streptococci are implicated in the development of dental caries? What is the mechanism of…

A: Dental caries is also known as tooth decay. Caries cause the hole in a tooth and called as a cavity.…

Q: 1. What is the most common bacterial strain that causes Strep throat? 2. How do you get strep…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…

A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…

Q: The listeriosis outbreak during 2017 and 2018 in South Africa was attributed to the consumption of…

A: Pathogenicity us generally refers to as an organism's ability to cause disease. The apparent injury…

Q: Identify wether the following terms are intestinal or extra-intestinal. 1. Mastigophora 2.…

A: Protozoans: Protozoa is a word for a group of single-celled eukaryotes that feed on organic matter…

Q: The Enterotube II System is a rapid multi-test method used to differentiate members of the family…

A: The test that is carried out for the identification of the oxidase- negative, gram-negative,…

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.