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: Is the all Staphylococcus species are gram positive?
A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…
Q: Why is a block of agar inoculated rather than streaking the fungal culture on a plate?
A: The culture medium or growth medium is a liquid, solid, or semisolid designed to support the growth…
Q: Why is direct fecal smear a routine procedure in the parasitology section?
A: A faecal smear is a stool specimen that is tested in a laboratory.
Q: How significant is cellulose tape perianal swab to the control of pinworm infection in the…
A: Pinworms are parasitic worms that are also known as threadworms or seatworms. It's a nematode and a…
Q: Which solid media is required when a fungal species needs to be identifiedand studied?
A: Answer- Fungal culture is important to study about various human fungal diseases.
Q: What makes standard plate count more sensitive than a microscopic count?
A: Standard plate count is the simplest form of measuring bacterial colonies. It can be calculated by…
Q: Using a microscope, how could you distinguish the cocci that cause staph infections from those that…
A: Strep throat is brought about by disease with a bacterium known as Streptococcus pyogenes,…
Q: What is the drug of choice for patient who had S. Aureus culture? Why?
A: Staphylococcus aureus is responsible for a wide range of symptoms and illnesses. Penicillin is the…
Q: Give at least one disease that can be diagnosed by: a. Gram Stain b. Acid-fast stain c. Endospore…
A: Staining is a microscopic technique for enhancing contrast in the material. In histology, as well as…
Q: What color would you expect for a gram positive microorganism for each of his incorrect attempts?…
A: Gram staining is a technique which is used to identify the bacterial cell type, whether it is gram…
Q: Haemophilus infl uenzae is................ and requires special................. for growth. a.…
A: Haemophilus infl uenzae is................ and requires special................. for growth.
Q: What is the laboratory's policy in decontaminating the plates? Since the growth of H. pylori was…
A: Routine decontamination of lab countertops or paintings areas needs to occur frequently. Lab benches…
Q: Colonies of Bacillus cereus on (A) agar plate
A: Bacillus cereus it is gram positive, rod shaped , facultative anaerobic, spore forming, motile and…
Q: Explain in how did Candida intermedia contaminate raw milk?
A: Candida is a yeast genus that is responsible for the majority of fungal infections globally.…
Q: hat is the purpose of microscope in Clinical Parasitology
A: The scientific study that is related to the study of the biology of parasites is defined by the term…
Q: Why is chloramphenicol added to the fungal culture?
A: The most immediate and normally indisputable methods for building up the determination of a fungi…
Q: A product that contains benzovindiflupyr and azoxystrobin will kill which microorganism? O A.…
A: The kingdom in biology can be outlined as the system that is utilized by biologists for the…
Q: What is the importance of using a test/control organism in describing the cultural characteristics…
A: The food materials on which the organism is developed is called culture medium and the development…
Q: Aside from Giemsa, what other stains could be used in staining blood for blood parasites? What is…
A: Giemsa staining method is widely uses for staining blood for blood parasites.
Q: Describe the colony morphology if Neisseria Gonorrhoeae if it is grown in agar plates in the…
A: Neisseria Gonorrhoeae, also known as gonococci, is a gram-negative diplococcus. In 1879 this…
Q: Explain the significance of the Snyder agar medium and its differential nature as a means to detect…
A: Dental caries is also called tooth decay or cavity. It causes the formation of tiny holes in the…
Q: What is the most commonly used fixative in stool samples and why? Why is staining of stool samples…
A: What is the most commonly used fixative in stool samples and why? Why is staining of stool samples…
Q: Describe the steps of the Gram stain, and explain how it can be animportant diagnostic tool for…
A: Gram staining is a method used to differentiate and classify the bacterial species into two category…
Q: How does sterilizer spray work from drones?
A: Sterilization is a process by which a material is completely devoid of microorganisms like bacteria,…
Q: What is the arrangment of the bacteria seen in this microscopic slide? O staphylobacilli O…
A: Bacteria are tiny cells with a single cell. Bacteria are found almost everywhere on Earth and are…
Q: What is the sign of ethylene poisoning in a callus culture
A: When the tissues on culture create an unorganized mass of the callus without regular form, it is…
Q: Which type of sterilizing agents can be used in preservation of animals cells/tissues? How can we…
A: Sterilization may be defined as the statistically complete destruction of all microorganisms…
Q: Which common hospital pathogen is able to grow abundantly in soap dishes?
A: The most common type of the prokaryotes is bacteria. They are found in every existing environment on…
Q: How common is the flotation technique being done in the Philippines?
A: Keeping in the eye the increase in a number of gastrointestinal infections, the best solution that…
Q: The figure attached shows the colonies on Eosin Methylene Blue Agar (EMBA) plate. Make a description…
A: METHYLENE BLUE AGAR (EMB Agar) Methylene Blue Eosin Agar is a differential medium used for the…
Q: What are 3 different ways we could sterilize medical equipment and/or supplies? For each methid,…
A: The sterilization is a very important process in medical science that remove all unwanted living…
Q: Bioluminescence is exhibited by Entamoeba. Comment.
A: The natural emission due to certain chemical reactions from the body of living organisms is…
Q: how could you determine if there is any contamination on your agar?
A: Agar consists of two polysaccharides, agarose and agaropectin, but agarose making up about 70% of…
Q: How is the Gram stain used clinically to help identify the cause of an infection?
A: Gram stain or sometimes "Gram staining", likewise called Gram's method, is a technique for staining…
Q: Why is Plasmodium species isolated usually in blood?
A: Plasmodium species are blood parasites belong to phylum protista that causes malaria. Vector for…
Q: Why can't gram staining be used for mycobacterium?
A: Gram staining is one of the staining techniques. This is usually used for differentiating between…
Q: If you notice on your agar plate that there are more than one color of colonies-- What does this…
A: A bacterial colony is what you Called a set of bacteria derived from the same mother cell. which…
Q: How is Indian ink used to demonstrate Cryptococcus neoformas? What reaction takes place between the…
A:
Q: What is the goal of a successful Streak Plate procedure? How does this help us when we look at…
A: The question asks about the goal of the Streak plate procedure and its application in relation to…
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: Protozoan cysts are resistant to many disinfection methods. True False
A: Some pathogenic protozoan such as giardia, entamoeba histolytica, balantidium coli etc. pass on the…
Q: How can specimen be collected, transported and processed to Parasitology lab?
A: Collection of Specimen: - Proper collection and labelling of specimen is necessary for better…
Q: Abigail did not dry the top of her agar plate and stored it top up. Now she wants to count colonies…
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…
Q: What are the areas of medical importance where animal inoculation can be useful
A: Animal inoculation- Animal inoculation means introduction of pathogens or antigen into animals to…
Q: Which one of the following may produce "wrinkled" colonies on medium? Select one: O A Chlamydia O B.…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other questions as…
Why is staining of stool samples very important in identifying
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- Does the gram staining method still have a place in today's world of advanced diagnostic methods? If yes or no, why is that so?Why is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?What things can be done during sample collection of a sick patient to help eliminate the culture of normal flora?
- What are the key points necessary for proper collection ofclinical specimens, and why is it important that diagnostic testsfor these specimens are both highly specific and sensitive?While conducting the Hydrogen Sulfide Test (SIM Agar) you open up one of the tubes and it gives off a rotten egg smell while another tube you cultured does not. What does the smell indicate? How come there was no change in color in the tube that indicated a positive test? Please explain how the color change is to occur. Think critically.This part of the staining process helps the primary stain to remain in the cell during decolorization. O 1) Secondary stain O 2) primary stain O 3) counterstain O 4) fixing reagent O 5) mordant
- What is the purpose of fixing a smear? Mark all that apply: 1. To attach the bacteria to the slide 2. To cause the cells to shrink and become distorted 3. To kill the bacteria so they aren't harmed by the staining method 4. To break down the cell wall in order to make the cells accept stain 5. To kill the bacteria to make the slide safer to handleWhy is there a need to use a staining agent in observing the specimen?What are the advantages and disadvantages of using the Wet Mount technique? What are the advantages and disadvantages of using the Hanging drop technique? What are the advantages and disadvantages of using the Slide Culture technique? pls elaborate each, thank you
- Why sometimes specimen may show organisms under the microscope but not appear in the culture media?How to isolate collagen from fish skin in the laboratory? Please write down each step in detail. Which chemicals are used and how much used. Why are they used, write them in detail. the main steps are as follows Washing and cutting of raw material Chemical pretreatment Extraction Precipitation Freeze-dryingWhat staining method would you use to verify that the isolate is not producing survivalstructures against unfavourable conditions? Describe the procedure as well