Q: create a serial dilution from a 1.5 x 10^8 CFU/ml stock solution that will give you 1500CFU/ml when…
A: Serial dilution is the technique of step-wise dilution of a sample. It allows a uniform and…
Q: 4. acetic acid on the ammonium sulfate precipitation of albumin 5. presence of precipitate during…
A: Molecular techniques are important tools that help in filtration, isolation, and identification of…
Q: Biological samples collected in an animal study for the investigating of potential toxins. The…
A: Toxins are dangerous substances produced by live cells or organisms; synthetic toxicants produced…
Q: Identify the method of sterilization/ chemical agent described At 15psi, the temperature reaches…
A: Given information: At 15psi, the temperature reaches 121 degree Celsius requiring only 15 to 20…
Q: ВАСТERICIDAL LAMPS 1. орen type (unshielded) неэкранированные 2. closed type, shielded 3. shielded ,…
A: There are general important points : We know that through UV -C that occurs naturally in sunlight…
Q: If 0.1 ml is added to 99.9 ml medium, this results in a dilution of: Select one: а. 10-3 b. 10-4 С.…
A: Dilution is a process of decreasing the concentration of solute present in a solution. Dilution is…
Q: A pesticide with high vapor pressure has more ability to penetrate through a fine textured , true…
A: Vapor pressure is a pesticide's tendency to evaporate or to change from a solid or liquid into a…
Q: Which of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b)…
A: According to the risk for transmitting microbial infections, the medical instruments are classified…
Q: Which of the following is the test for Methionine A. Biuret Test B. Ninhydrin Test C.…
A: since you've posted multiple questions, only the first one will be answered. before addressing the…
Q: _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization…
A: Sterilization refers to any process that removes, kills, or deactivates all forms of life, in…
Q: Explain the different categories that determine when equipment must be disinfected or sterilized.…
A: In high-risk environments, medical devices are used. These environments are exposed to highly…
Q: What is the physical appearance (solid, liquid, semi-solid) of following media: agar plate
A: The Agar plate is made from mixing agarose and a growth medium onto a petri dish. Agarose is in a…
Q: RESULTS AND OBSERVATIONS: PARTI: PRECIPITATION BY HEAT TUBE NO. 1 TREATMENT 0.5 mL of 5%albumin…
A: Albumin is a protein. Different forms of albumin are found in blood plasma, egg white, and milk.…
Q: What will pose an ethical issue in these procedures are performed - sterilization?
A: Sterilization is a permanent method of family planning. It is one of the most common method of…
Q: Disinfectant Concentration Growth after time of exposure (minutes) Control 5 minutes 10 minutes…
A: * Disinfectant is a chemical substance that inactivates or to destroy the microorganisms that are…
Q: The materials use for embbiding sample in freezing microtome is O epoxy epon 812 O wax O water…
A: Introduction A microtome is a tool that is used to cut the thinnest possible section of material to…
Q: Which of the following are proper disinfection steps? Check all the O Remove organic matter O…
A: Introduction: Disinfection is substances that are applied to non-living objects to destroy…
Q: Which of the following statements is true regarding steam sterilization? a. It is a universal…
A: steam sterilization , also called autoclave sterilization , is used in microbiological laboratory in…
Q: Which of the following can most likely increase the yield of recrystallized benzoic acid? CHOICES:…
A: Recrystallization is a method that is used for the purification of solid compounds by the removal of…
Q: One of the following is NOT one of the goals of sterility testing To assure safety of products To…
A: Sterility testing It is a testing that confirms that the products are free from the presence of…
Q: Solid and liquid media are commonly prepared based on manufacturer’s instructions. If no instruction…
A: Sterilization is a physical process that, in microbiology science, plays a vital role in preventing…
Q: Preservatives are added to the following pharmaceutical products EXCEPT Select one: Ophthalmic…
A: Any substances that are added to the foods and pharmaceutical products to prolong its shelf life…
Q: drying at critical point It is used in scanning electron microscopy O true false
A: Introduction: The critical point drying approach is an effective way to dry sensitive materials for…
Q: Which of the following medium:function classification is INCORRECT? Sabouraud Dextrose: selective…
A: These are the culture media used in Microbiology Lab to grow and recognize the different kind of…
Q: Which physical or chemical agent would be the best choice for sterilizing the following items: glass…
A: Sterilization is a process used in a laboratory setting to remove, kill, or deactivates all forms of…
Q: One of the following matches indicatIng early microbial spoilage of pharmaceutical products is…
A: Microorganisms are tiny unicellular organisms that cannot be observed by unaided eyes. They may be…
Q: Give the drug examples of emulsion prepare by these method:- 1)dry gum method 2)wet gum method…
A: Emulsions are heterogeneous biphasic systems. Thus, there are two immiscible phases. One of the…
Q: In pharmaceutical companies, Sterilization is an important step for quality assurance and approval…
A: Introduction Microorganisms such as bacteria, viruses etc. are pathogenic in nature and many of…
Q: color and 6 being intense coloration (red). Test Tube # Treatment Color Intensity 1 1% Acetone 3 2…
A: Temperature is very important for the cell. there is a certain fixed temperature on which the growth…
Q: A test procedure calls for 5 mL of undiluted specimen. 2 mL of a 1:50 dilution is used. The answer…
A: Dilution is a procedure of reducing the concentration of a sample. This is usually performed by…
Q: Two-dimensional normal phase ascending TLC is used for the following reasons: for further separation…
A: Introduction TLC or Two-dimensional chromatography is a type of chromatographic technique which is…
Q: Distinguish between the term’s sterilization, disinfection, antiseptics, and decontamination.…
A: These all are the method of killing or reducing the number pathogenic microorganism but these terms…
Q: solutions that may cause adulteration of urine drug testing results.
A: At the point when a donor endeavors to modify the drug test result by altering the urine example…
Q: Hand washing can be done using either
A: Answer Option A) Soap and water or isopropyl alcohol.
Q: SPECIAL METHOD OF WATER TREATMENT AT THE WATER-WIRED STATION 1. boiling 2. softening 3. ozonation 4.…
A: The specialized water treatment usually includes various types of methods such as physical method…
Q: How many grams of media would be required to prepare 350 plates assuming 20 mL per plate? O 72 O 112…
A: The preparation of mentioned Escherichia coli culture media contain 36 grams per litre deionized…
Q: Which of the following is true Select one: O a. Inoculating loop and needle are transfer equipment…
A: Culture medium is the primary production environment for biological products. The pilot or scale-up…
Q: Observations and Results Average Count per ml of Sample (CFU/ml) Bacterial Dilution Factor ml of…
A: Introduction The Stepwise Dilution Of A Substance In Solution Is Referred To As Serial Dilution.…
Q: Agent Soaps and detergents Acids Actions Uses Advantages Disadvantages Alcohols Oxidizing agents…
A: The microbial growth can be controlled or prevented by the use of antimicrobial agents which can be…
Q: Solubility Test Ninhydrin test iodoform test Observations + or - no colored spots on filter paper…
A: Asked : Fill the table with + or -
Q: You aseptically transfer 1 mL of your original liquid culture into 99 mL of sterile water. You then…
A: A serial dilution is any dilution in which the concentration is decreased by the same factor in each…
Q: Examine the given sets of table below. Which disinfectant is the MOST recommended? Support and…
A: given here are set of disinfectants with their phenol coefficient and growth of bacteria after…
Q: ther than the application of heat, name other methods of sterilization. Define the methods and give…
A: Sterilization is the process of completely destroying all microorganisms on the surface of an…
Q: Why should be avoided boiling more than 5 minutes in Barfoid test?
A: Barfoed test is carried out to detect the presence of monosaccharides in the sample. This test also…
Q: CHLORINATION IS 1. by means of special water treatment 2. the physical method of water purification…
A: Chlorination is one of the methods used for the disinfection of water. Millions of microorganisms…
Q: equipments can be used to determine turbidity in the sample tubes in testing of antimicrobial act
A: The clarity of a liquid can be measured by its turbidity. We can define turbidity as the measure of…
Q: Neutralization of residual disinfectant could be made by: a. Dilution if the concentration…
A: Disinfectants are chemical compounds that are used to destroy harmful microorganisms on non-living…
Q: The chemical precipitation method can be used for ceramic nanoparticles production. * TRUE FALSE
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Granulation of powder is an essential step in preparation of all types of tablets
A: Tablets are solid dosage unit. It consists of active substances in the powder form and can be…
Oral tablets
Injections
Syringes
Ophthalmic products
Step by step
Solved in 3 steps
- Which of the following is an approved sterilant? a. chlorhexidine c. ethylene oxide b. betadyne d. ethyl alcoholOne of the following is NOT one of the goals of sterility testing To assure safety of products To monitor the quality of certain pharmaceutical products before marketing To confirm that certain sterile products are free of all microbial forms To count no. of CFU/ml in a pharmaceutical samplePlease describe in detail what would be a suitable procedure should you break anErlenmeyer flask containing 50 mL of a biosafety level 2 microorganism inside amicrobiological safety cabinet.
- In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either. Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-mL graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-mL beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropper____________is the iodine antiseptic of choice for wound treatment.a. 8% tincture b. 5% aqueous c. 5% Iodophor d. 7.5% potassium iodide solutionWhat is the physical appearance (solid, liquid, semi-solid) of following media: agar plate
- Solid and liquid media are commonly prepared based on manufacturer’s instructions. If no instruction is provided on how the media should be sterilized, what would be the best option? METHOD:RATIONALE:solutions that may cause adulteration of urine drug testing results.Which physical or chemical agent would be the best choice for sterilizing the following items: glass pipettes, tryptic soy broth tubes, nutrient agar, antibiotic solution, interior of a biological safety cabinet, wrapped package of plastic Petri plates? Explain your choices.
- Identification of an organism does not require a pure culture because Bergey’s Manual will sort out the contaminant. Identification of an organism does not require a pure culture because Bergey’s Manual will sort out the contaminant. True FalseWhich of the following is an important consideration when selecting a disinfectant for use in the facility? Please select all that apply. [mark all correct answers] a. Pathogens affected by product b. Contact/Kill time c. Safety profile of the product d. Ease of useWhat equipments can be used to determine turbidity in the sample tubes in testing of antimicrobial activity