What microbe(s) is/are common contaminant(s) of blood cultures

Q: A glass flask is rinsed and autoclaved after use. It was then filled with sterile media in a sterile…

A: Introduction Microbes or microorganisms may be found on almost every surface, in the air we breathe,…

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: 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: An inoculating loop or needle is sterilized using heata. by one brief passage.b. for exactly 5…

A: Microorganisms or microbes are small living organisms that can be observed with the aid of…

Q: What is the importance of an antimicrobial removal device (ARD) blood culture system?

A: The antimicrobial removal device is used to remove the antibiotics which which are present as a…

Q: Which of the following would represent an "opportunity" for an opportunistic pathogen?…

A: The term "opportunistic pathogen" refers to an infectious pathogen that is regularly found in the…

Q: The number of bacteria in the samples need to be quantified. The laboratory uses a specific protocol…

A: Introduction :- Bacteria are single-celled organisms with a small size. Bacteria can be found…

Q: A bacterial suspension was diluted and 0.1 mL of each of the dilutions was plated in duplicate. The…

A: Introduction   Serial dilutions are used to calculate the concentration of microorganisms. As it…

Q: Which of the following factors is NOT significant in determining the effectiveness of a microbial…

A: An antimicrobial therapy kills or represses the development of microorganisms, for example,…

Q: ITEM I MSM MICROBIAL PROFILE MICROORGANISM/CAUSATIVE AGENT GRAM REACTION A B OXYGEN REQUIREMENT C D…

A: Malaria is brought on by a type of protozoan called Plasmodium falciparum. Malaria is a serious…

Q: No zone of inhibition was seen on the Blood Agar Plate with the Optochin Test. How should the…

A: zone of inhibition: This is an area of media where bacteria are unable to grow, due to presence of a…

Q: Provide at least two other examples of samples that are best prepared using Smear Preparation…

A: Smear preparation is a technique that is used by spreading a small quantity of sample on the slide…

Q: I want to ask the question related to antibiotics resistance? The question is the non-existance of…

A: Antibiotic resistance is defined as the genetic ability of bacteria to encode the resistance genes…

Q: The application of 70% ethanol to a patient's skin is done to kill all microbes. The proper term…

A: Question 1: Antimicrobial agent are such chemicals or drugs that have the capacity of either killing…

Q: Sanitization is the freedom from viable forms of microorga

A: Sanitization is defined as the act of killing microorganisms of all sorts from surfaces with the…

Q: How do we prepare smear

A: The preparation of a smear is required for many laboratory procedures, including the Gram-stain, for…

Q: Is  UVC disinfection of N95 face masks  effective?  Give two (2) important considerations for UVC…

A: Decontaminating masks could be effective against the shortage of masks in pandemics.UVC…

Q: The Effect of Closure Type on Preventing Microbial Contamination of Cosmetics Bacteria were isolated…

A: Shampoo, conditioner, serum, and oils are hair care products whereas lotions, moisturizers, etc.,…

Q: You are hanging 500mg of antibiotics in 100ml to run over 1 hour. Your drip factors is 10…

A: Drugs are medications that are used to treat the signs and symptoms of diseases which should be…

Q: A negative result in the catalase test is a likely indication q a streptococcus or enterococcus type…

A: Catalase test is a detection test for the presence of catalase producing aerobic organisms in the…

Q: Briefly explain how the following can affect the quality of stained blood film; I) .The size of the…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: What is known as sterile technique, prevents contamination of an open wound, serves to isolate the…

A: ASEPTIC TECHNIQUE      Aseptic technique is the right answer, because it means sterile technique,…

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: You work in the restaurant industry. A small child has just vomited on a table and the surrounding…

A: Antimicrobials are agents that either kill microorganisms (microbicidal) or stop their growth…

Q: A wound is swabbed and the swab is placed at 4°C after collection to stop bacterial growth until…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: The best medium for using antibiotic susceptibility testing is _________________, the reason why…

A: Antibiotic susceptibility test is basically used to measure the ability of an antimicrobial agent or…

Q: We have learned terms like 'sterile,' 'commensal,' 'contaminants,' 'germs,' 'microorganisms,' and…

A: The skin surface should be sterilised before puncturing it with injection to draw blood sample as it…

Q: there are different methods to be used in order to control opportunistic infection and that includes…

A: Introduction Opportunistic infections (OIs) are infections that affect persons with impaired immune…

Q: What are the principle and basic concepts of SMEAR PREPARATION? (please explain it thoroughly in a…

A: Introduction A smear is a small amount of culture spread in a very thin film on the surface of the…

Q: A patient with presumed urinary tract infection(UTI) has a urine sample collected and sent tothe…

A: A urinary tract infection (UTI) is an infection that affects part of the urinary tract. The most…

Q: purpose of using serum in culture media

A: A culture media is a media made in the lab, that is curated to facilitate the culture and growth of…

Q: You are examining a blood smear and see microbial cocci in the smear. You know a leukocyte/white…

A: White blood cells (WBCs), also called leukocytes, are the cells responsible to provide immunity to…

Q: Define the following: 1. Asepsis: 2. Disinfectant: 3. Antiseptic: 4. Sanitization: 5.…

A: aspesis can be defined as the condition in which the person or any surface is free from the living…

Q: re is the statement below,  If a patient sample gets a negative result on the urea broth test, then…

A: A laboratory test called the urea broth test is done to determine whether or not a patient has a UTI…

Q: Many vaccines are heat sensitive due to their high concentration of proteins. Which of the following…

A: A heat sensitive vaccine is one which if exposed to temprature above certain specific values will be…

Q: As you can see on the blood agar plates, some microbes can lyse red blood cells releasing nutrients…

A: Virulence is described as ability of organism to infect the host and cause a disease in humans. Many…

Q: In a surgical environment, what is the application for the principles of asepsis to control the…

A: ASEPSIS - It is the absence of bacteria or other micro-organism including its spores from an…

Q: Types of specimens are given. Match the following to their advantage. A. Less contaminated by…

A: The specimen for particular test may have following results or advantages :

Q: What will pose an ethical issue in these procedures are performed - mutilation, sterilization?

A: Sterilization is a procedure which is practiced to limit the family size in which removal or simply…

Q: On blood agar plate. What hemolysis is this? (alpha, beta, gamma)

A: Blood agar is both enriched and differential media that contains 5% of the sheep blood. Blood agar…

Q: Which of the following would typically be the initial indicator of bacteria growing within a blood…

A: Blood agar is one of the commonly used culture methods used for growing micro organisms and growth…

Q: Why don’t health departments routinely test for pathogens instead of using a sewage indicator?

A: The most widely used sewage indicator organisms are fecal coliforms. This is because these microbes…

Q: Please explain why you would, most likely, get sick when you touch a contaminated surface with your…

A: Immunity is the ability of the body to provide protection against harmful pathogens. There are two…

Q: You observe a blood agar plate and see a clear/transparent area where the bacteria have been…

A: Blood agar  It is a type of enriched media which use to grow fastidious organisms.

Q: LZ AMC VA CTR

A: KIRBY BAUER METHOD- The antibiotic sensitivity test is performed by using the agar diffusion method…

Q: You observe a blood agar plate and see a clear/transparent area where the bacteria have been…

A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…