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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- What is the difference between streak plate method and spread plate technique?Is this a successful streak plate? What mistake do you think was made in the image? Thank you.What are the principle and basic concepts of NEGATIVE staining? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)
- Why is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?What are the principle and basic concepts of Simple staining? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)Why are basic dyes more effective for bacterial staining than acidic dyes? State two ways that can confirm whether a bacterial smear has been correctly prepared or not. Why should you be careful not to underheat a smear during the heat-fixing process? Why do you think the presence of grease or dirt on a glass slide will result in a poor smear preparation? Cite two or three reasons.
- What are the principle and basic concepts of DIFFERENTIAL staining? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)During a flame test, why is it necessary to use a new splint for each element?Describe the process to make a 4-phase streak plate beginning with your first streak (i.e you have bacterial culture on your sterile loop and are about to start to streak your agar plate ).