Since it is very rare for any direct patient sample to be axenic, what could you do to get to an axenic culture starting with a contaminated or mixed-culture plate?

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: Alchohol based hand sanitizers are effective against influenza. True/False?

A: Influenza is a viral infection caused by the influenza virus. It is commonly known as flu. There are…

Q: What is the importance of aseptic techniques and sterilization in dealing with SarsCoV 2 Virus…

A: Introduction  A contagious illness called coronavirus disease (COVID-19) is brought on by the…

Q: What is the proper collection time period for a fecal fat specimen? 1) 24 hours 2) 48 hours 3) 72…

A: Fecal lipids come from four different places. They are lipids that are consumed but are not…

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: For Staphylococcus aureus, indicate which tests need to be done & what media you need. Fill in box…

A: Staphylococcus aureus is a spherical-shaped cocci that belongs to the family of Firmicutes. It is…

Q: What is the correct shape of the unknown bacterium growing on your MacConkey agar?

A: Macconkey Agar This agar includes bile salts, which are found in the gut. Bile salts help in…

Q: in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?

A: The Ziehl-Neelson (ZN) stain is the most commonly utilized of the different types of AF staining…

Q: The sediment observed in stained blood smear caused by: a) Overstraining b) More Haematoxylin in the…

A: Here we have to explain about why sediment observed in stained blood smear.

Q: I believe it is one of the following: 1) S. pyo.    2)S. agal .     3)S.pneu.   4)E. faecalis…

A: The correct response to this question is Staphylococcus epidermidis.

Q: Describe the purpose of identifying unknown bacterial culture in medical field. Name the step by…

A: Identification of new microbes or bacterial strains is a key factor in scientific research. This…

Q: If you were a quality control agent using UV sterilization in an operating theater, how would you…

A: UV sterilization, sometimes referred to as UV disinfection or ultraviolet germicidal irradiation…

Q: Why was a blood agar, rather than a nutrient agar, plate used for the culture from your mouth?

A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…

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: In the laboratory, autoclaving is required to prepare media for the growth of What type of method of…

A: The most effective method by which we sterilize the laboratory instruments is known as autoclaving.

Q: Explain the activities associated with the isolation of Bacillus subtilis organsim from mixed…

A: Isolation of a bacterial organism from a mixed culture to a pure culture is a crucial technique in…

Q: Give the uses/functions and images of each apparatuses Basic Laboratory Equipment Uses/Functions…

A: Antibiotic discs are used in microbiological studies to observe the effects of various antibiotics…

Q: In an activity about Preparation and Examiniantion of Direct Fecal Smear Provide the following:…

A: A fecal smear is a test used to detect the presence of parasitic infection in animal or human feces…

Q: Why is it important to know different pesticide applicator equipment?

A: Pesticide applicator equipment is essential for controlling pests and protecting crops from disease.…

Q: How do you sterilize the following? petri dish inoculating loop culture media test tube…

A: Sterilization of following- petri dish - By using autoclave or by a series of steps that includes…

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: Where should a label be written on an agar plate?

A: The aseptic technique is applied in a laboratory setup to reduce the risk of contamination. It…

Q: I AM TRYING TO IDENTIFY THIS UNKNOWN.  ***IMAGE 1 HAS TWO PICTURE OF CATALASE TEST AND BLOOD AGAR…

A: Catalase is an enzyme that catalyzes the breakdown of hydrogen peroxide into water and oxygen. It…

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: A patient sample will be analyzed. You are responsible to quantify the bacteria number. The dilution…

A: A sample of your blood, urine, skin, or any part of your body will be taken during a bacteria…

Q: How can a suspect bacterium be fingerprinted?

A: DNA fingerprinting is a technique for detecting a high number of minisatellites in the genome at the…

Q: What is the difference between a Hemin test and a Benzidine test?

A: Hemoglobin is a blood protein that is responsible for oxygen transport in the tissues. Hemoglobin…

Q: Why administer IM injections using the Z-track technique.

A: Medicines are frequently injected intramuscularly (IM) to deliver the medication straight into the…

Q: Why is it a mistake to use the same syringe, even with new , sterile needles?

A: Contamination is the presence of any impurity, constituent, or any unwanted element that can infect,…

Q: Why is it important to limit the quantity of cells used to prepare a smear?

A: Smear preparation is essential for several microbial laboratory techniques. A smear can be prepared…

Q: Can hand sanitizer kill bacteria?

A: Sanitizer is referred to as any substance or fluid that is used to prevent the spread of pathogens…

Q: What is an example of a routine procedure performed by surgical technologists prior to entering the…

A: For the safety of patients, proper sterilization and disinfectants are the all-time needs of the…

Q: Use of streak plate technique to isolate and purify psychrotrophic spoilage-causing bacteria

A: There are billions of bacteria in the human body that make up the natural flora to resist the…

Q: In spread plate method, inoculating loop is used to spread bacteria from the inoculation site. For…

A:

Q: The main of objective of using 13-Line streaking method is to get:

A: Answer: 13-Line streaking method: It is the technique of obtaining pure bacterial culture by…

Q: Why is skin contamination such a big problem in blood culture test?

A: Contamination can occur during venipuncture or catheter insertion site preparation, collection set…

Q: The most likely site for food contamination is: a) a person's own kitchen O b) the grocery store c)…

A: Introduction Food contamination:- It refers to food that has been corrupted with another substance –…