Q: what is the procedure and materials you need to stain Staphylococcus aureus?
A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium hat belongs to the Firmicutes and…
Q: Why is skin contamination such a big problem in blood culture test?
A: Contamination can arise during the preparation of the venipuncture or catheter insertion site, the…
Q: What is the purpose of fixing a smear?
A: Smear- a smear is a thin layer of a sample such as bacterial cells or blood spread evenly on a glass…
Q: Do you think UVC disinfection of N95 face masks is effective? Give two important considerations for…
A: At the time of Covid-19, N95 masks are currently considered critical supplies by the centers for…
Q: is it essential that the primary stain and counterstain be of contrasting colors
A: Gram staining is one of the crucial type of differential straining .It divides bacteria into two…
Q: Why is it important to limit the quantity of cells used to prepare a smear?
A: A thin layer of cells or tissues that are taken from the body of an organism under study which is…
Q: - Give two reasons for heat fixing a smear before staining.
A: Heat fixing denatures bacterial enzymes, preventing them from digesting cell parts, which causes the…
Q: What is the purpose of Thick smear? Purpose of Thin smear?
A: Blood smear:-Also known as peripheral blood smear. -Blood smear has many different uses ranging from…
Q: Difference between streak plate method and serial dilution
A: Ans: Streak plate method- It is a technique used mainly to isolate pure culture of bacteria from…
Q: What are Romanowsky stains? Name four of these.
A: Staining is a technique used to enhance contrast in samples , generally at the microscopic level.…
Q: Why is there a need to use a staining agent in observing the specimen?
A: Staining agent: The things that owes-out stains were recognized as staining agent,…
Q: When bacteria from a throat swab are streaked on blood agar, why is the agar stabbed several times…
A: The initial identification of the streptococcal and enterococcal species is based on their hemolytic…
Q: What pathogenic agent undergoes the Sigmoidoscopy Material procedure?
A: The sigmaidoscopy procedure test uses a thin flexible tube with a camera and light on one end. The…
Q: Why is it important to use a sterilized loop between streaks when preparinga streakplate?
A: Streaking is a technique used to isolate a pure strain from a single species of microorganism, often…
Q: What is the significance of heat fixing the smear?
A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…
Q: What is the difference between streak plate method and spread plate technique?
A: Answer of the question given below...
Q: I Why does't a negative stain colorize the cells in the smear?
A: Staining is a technique which is used for enhancement of contrast in samples mostly at the level of…
Q: The capsule stain is considered a negative stain
A: Staining is a technique in microbiology so as to enhance the view by contrasting it. Stains are…
Q: Is there any difference between the effects of dipping versus swabbing?Which method appears to be…
A: Bacteria are very small. They cannot be observed with the naked eye. Every surface like a plant,…
Q: Is proteus vulgaris positive or negative in lia test? Why?
A: Proteus vulgaris is a gram negative bacteria that test positive for indole and catalase production.…
Q: Is it important to have a standardized way of counting and reporting AFB seen on a direct sputum…
A: Acid-Fast Bacilli (AFB) is a bacterial species that causes tuberculosis in humans and testing of…
Q: Can you please help me describe the colony apperance on these two stains? Thank you! Growth on Blood…
A: The chocolate agar and the blood agar media both have the almost same composition. The only…
Q: What are the possible sources of contamination that may result during the streak plate procedure?
A: The streak plate procedure is used to isolate microbial colonies in pure form. During the procedure,…
Q: Why is plate count more sensitive than a microscopic count?
A: Microorganisms such as bacteria are cultured artificially in laboratories, in order to study their…
Q: An inadequate priming or poor priming technique will cause a serious damage in patient. Would you…
A: Hemodialysis: It is a treatment which is done to purify the blood by removing the wastes , salts and…
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: Step-by-step smear preparation of Grams stain
A: Gram staining is a laboratory technique that is used to culture bacteria and identifies two kinds of…
Q: Is there a relationship between Gram staining and sensitivity to various antibacterial compounds?…
A: Gram staining is a method to identify whether a bacteria is gram positive or gram negative based on…
Q: What are some advantages and disadvantages of using blood agar vs. the Staph-Tex test to…
A: Hi, Thanks For Your Question. Answer : Advantages Of Using Blood Agar To Differentiate Between S.…
Q: How does viability staining differ from stains like DAPI?
A: Staining is the technique in biology, which increases the visibility at the microscopic level. Dyes…
Q: Describe the procedure and purpose for making streak plate.
A: Streak plates involves the streaking of the inoculum over the surface of the agar resulting in its…
Q: What color tube is used for creatinine test?
A: Introduction:- Creatinine test is done to assess the situation of the kidney. Creatinine values…
Q: Is this a successful streak plate? What mistake do you think was made in the image? Thank you.
A: Answer. No, this not a successful streak plate. From the picture above it seems that you want to do…
Q: Differentiate between simple and differential stains
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Is UV treament more or less effective than disinfection when used against Saphylococcus aureus?
A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…
Q: Do you think UVC disinfection of N95 face masks is effective? Give two (2) important considerations…
A: N95 filtering facepiece respirator or N95 mask is a piece of personal protective equipment that…
Q: What is the purpose of a streak plate? Name another means of achieving the same purpose?
A: While experimenting on microorganisms, we make use of Petri plates when using solid or semisolid…
Q: Why is it necessary to make a skin puncture to a depth of 3mm?
A: Phlebotomy refers to the process of puncturing the vein with a cannula to collect blood. Blood…
Q: All of the following are consequences of short wavelength UV irradiation EXCEPT (which is false?-…
A: Ultraviolet is a form of electromagnetic radiation. It has a wavelength from 10 to 400 nm and is…
Q: What is actual meeing of electrospun scaffolds used in wound healing application
A: Over the last few years, biomedical engineering has grown in popularity. Biomedical engineers' new…
Q: What is the best streaking technique in a culture media? Explain
A: In microbiology, there are five I's that symbolise five different procedures used in the laboratory…
Q: What is/are the purpose(s) of streaking a plate?
A: Streak plate technique is a simple and quick method for observing microorganisms that involves…
Q: Aside from safranin, what other stains can we use for the microscopic examination of onion cells?
A: We can not see all the part of a cell by naked eye. With the help of different types of microscope…
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: Give the three disadvantages of using irradiation.
A: Irradiation is a comparatively newer technology of food preservation in which food item is…
Q: Why should freshly collected samples be used for microscopic examination?
A: The benefit of the microscope is that it produces a better resolution than the naked eye. The higher…
Q: How is staining techniques useful in the clinical settings
A: Staining: A sample at the microscopic level can easily be visualized and distinguished from the…
Q: What is the effect when xylene is not removed when staining? What is/ are the specific action/s of…
A: Staining is a procedure in which the coloured dye or a stain is added to a specimen so that it may…
Q: What do you do in between each streak on a streak plate?
A: The streak method is used in the isolation of the pure colony of the organism from a mixed…
Q: What is the purpose of using the streak plate method?
A: Solution- Introduction - Streak plate technique is used for the isolation into a pure culture of…
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- When bacteria from a throat swab are streaked on blood agar, why is the agar stabbed several times with the loop?Why is it essential that smears be air-dried? Why can’t they be gently heated over a flame to speed up the drying process?What are the principle and basic concepts of NEGATIVE staining? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)
- Explain well the principle behind the streak plate method.What are the possible sources of contamination that may result during the streak plate procedure?What are the principle and basic concepts of Simple staining? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)