A 2.5mg/ml solution of ampicillin is available for use, what volume would youadd to 200ml of LB medium to obtain a final concentration of 50µg/ml ofampicillin?

Q: The master formula for preparation of a ganciclovir solution is: Ganciclovir 500 mg injection vial 1…

A: Each vial contains 500 mg of ganciclovir. After 10 mL additions each of the vials gives 50 mg.

Q: As a part of a clinical study, a pharmacist is asked to prepare a modification of a standard 22 g…

A:

Q: Using DEAE-cellulose as ion exhange resin, indicate the starting and ending pH for the narrowest…

A: Chromatography is a technique for separating different components of a sample, where the analyte is…

Q: A chromatographic separation of four compounds gave the following results. The dead time (tm) is…

A: Chromatography is a technique for separating a mixture in the laboratory. The combination is…

Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…

A: Paper chromatography is the analytical process by which mixtures of complex compounds such as amino…

Q: If you have 50 ml of pure stock formalin solution how many ml of diluent will you need? What is the…

A: Dilute formalin is used as a fixative in histological slides. The standard stock solution of…

Q: phenazopyridine

A: Phenazopyridine could be a pain reliever that affects the lower a part of your tract (bladder and…

Q: Using 25 µL of a patient's serum, how much diluent would be needed to create a 1:2 dilution? ul

A: Firstly,  we convert the 25ul into ml . i.e. 25 ul = 0.03 ml  Then, there will be the multiplication…

Q: 50 mL of 5mM NaCl solution from 1 M NaCl solution

A: Dilution is the process by which we decrease the concentration of a solution. This process is vital…

Q: A pharmacist prepares 80 mL of an isotonic solution of 1.1 %w/v Lidocaine HCl (E-value 0.2). To…

A: The ability of a solvent to cause cells to shrink or swell is referred to as tonicity. A…

Q: Ammonia-containing window cleaners are considered pH-neutral substances true or false?

A: As chemicals are dissolved in water, the pH level of the mixture is either acidic or basic. pH level…

Q: When mixing 40 mg of a medication in 100 ml total solution, the resulting strength is

A: A pharmaceutical medicine is a chemical substance that causes a biological or physiological effect…

Q: When conducting a flame test for sodium iodide, is the result positive or negative?

A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…

Q: You receive an order for 750 mL of 27% dextrose solution. You have available D50W, 1000 mL. How many…

A: Given, D50W means 50% dextrose solution, 100 ml 750 ml of 27% dextrose is desired Sterile water

Q: For the serial dilution, your stock solution must have a concentration of 3.5 mg/mL. How much…

A: Here we are trying to prepare the stock solution from the raw red cell (RBC) solution. The parameter…

Q: ? How many milliliters will you administer?

A: A drug is a chemical compound that is administered in the body to combat a disease. It is important…

Q: The data from thin layer chromatographic separation of analgesics showed ibuprofen distance to be…

A: Ibuprofen is solute here Distance travelled by Ibuprofen = 0.752 mm Distance travelled by solvent =…

Q: You have a 20 mg/mL stock solution of the amino acid arginine and need to make plates containing…

A: In biochemistry, a stock solution is a high volume of a standard reagent. They're utilized for a…

Q: To prepare 500 mL of a 1X TAE buffer solution, we need to mix solution (so 25 times more…

A: TAE is a standard buffer for the preparation and operation of DNA agarose gels. TBE provides…

Q: How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the…

A: Serial dilution is used mostly in studies involving cell cultures (microbiology or even cell culture…

Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…

A: Paper chromatography is the analytical process by which mixtures of complex compounds such as amino…

Q: Ninhydrin test for amino acids or protein requires that sample test solution should be at initially…

A: Proteins are one of the essential macronutrients for a human body. The building blocks of proteins…

Q: A patient is prescribed 15mmol of potassium chloride injection. The ampoule contains 20mmol in 10ml.…

A: Given data    A 10 ml ampule contains = 20 mmol

Q: Would a sample solution that has a high absorbance reading, have a low or a high concentration

A: Absorbance is a number that measures the diminishing of the transmitted radiant power in a solution.…

Q: Will the given lipid test positive in the Ninhydrin test?

A: Ninhydrin test is used to check whether a given sample contains amines or alpha-amino acids. The…

Q: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?

A: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?…

Q: Table of BSA solution absorbance of concentration at 595nm. BSA Concentration (µg/ml) OD595nm Mean +…

A: Protein concentration is measured or determined using the reference standard curve. Proteins are…

Q: A 5 ml vial of the hydrocortisone is having 2% (w/v) concentration. How many vials will be required,…

A: Given, 5 ml vial of the hydrocortisone is having 2% (w/v) concentration 2% (w/v)= 2g hydrocortisone…

Q: If a patient weighing 175 lb is to receive an initial daily IM dosage of procainamide HCI (500 mg/mL…

A: Answer.    D.  0.99 ml    Solution ------   Given data :---- Patient weight = 175 lb.  Procainamide…

Q: A pharmacist receives a prescription for 60 g of a 0.75% w/w bexarotene gel. E many grams each of a…

A: Pharmacology is a discipline of science concerned with the study of medications and their effects on…

Q: If a liquid contains 3 mg of drug in 40 mL, what is the milligram percent of this solution? Round to…

A: Drug calculation is an essential component of drug administration. As Nurses we need to understand…

Q: 5b. Weight of 20 tablets (in mg) selected randomly is given below:   Tablet no Weight (mg) Tablet…

A: To answer first we have to find the uniformity of weight of tablets. This involves calculation of…

Q: A sample to be used for medical imaging is labeled with 18F,which has a half-life of 110 min. What…

A:

Q: Table of BSA solution absorbance of concentration at 595nm. BSA Concentration (ug/ml) OD595nm Group…

A: It's the table based on BSA solution absorbance of concentration of 595nm  There's taken OD at 595…

Q: f a 250 ml solution of ethanol in water is prepared with 4 ml of absolute ethanol (100%), what is…

A: Dilution factor  It is defined as the ratio of the initial volume of a solute to the final volume…

Q: If in a prescription you have Amoxicillin 125mg/5ml Then asked to give tsp twice a day x 7 days…

A: A pharmacist or nurse must perform some elementary mathematical calculations relating to dosage…

Q: If a pharmacist added each of the following to 22-g packages of 2% mupirocin ointment, what would be…

A: Mupirocin is an antibiotic that prevents bacteria from growing on your skin. Mupirocin topical is…

Q: Why do we need to place the lipid samples under direct heat after adding ethanol in a solubility…

A: The solubility test determines the presence of all lipids as a preliminary test.

Q: Why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of bacteria?

A: Sterilization is process of destroying all the viable microbes including viruses, endospores etc.…

Q: what is the is the dilution factor when  you add 2 mL ssample of 8 mL diluent?

A: Dilution is a process of changing the concentration of the solution by addition of solvent, which is…

Q: What might happen if you omit potassium tellurite in using GCM?

A: Introduction Giolitti-Cantoni Broth is an anaerobic enrichment broth for Staphylococcus aureus in…

Q: 950 mL of 1X CuSO₄ * 5H₂O solution from 25X CuSO₄ * 5H₂O solution

A: Given Values: Stock solution = 25 X CuSO4 . 5H2O Final Solution = 1 X CuSO4 . 5H2O Volume = 950 mL

Q: What will happen to the hard gelatin capsule if dissolved in water and vinegar for under 10 minutes,…

A: Hard gelatin capsules are made up of an animal based protein that is derived from collagen.plant…

Q: What concentration of ethanol is considered optimum for disinfectant? Why not 100%?

A: Disinfectant refers to the chemical agents that destroy or inactivate microorganisms on an inert…

Q: Penicillin G potassium 5000 units Isotonic Sodium Chloride Solution ad 15 mL Sig. Nose drop Using…

A: Given- Penicillin G pottasium-5000units Isotonic sodium chloride-15mL Crystalline penicillin G…

Q: If the agar instructions say to mix 50 grams of agar in 1 liter of water, how many grams of agar…

A: 1 litre/ 1000 mL needs 50 grams of agar 1 mL needs 50/1000= 0.05 grams of agar 100 mL needs 0.05 X…

Q: Rocephin (ceftriaxone sodium) 370 mg IM stat.The label on the ceftriaxone states to reconstitute the…

A: Question is related to drug calculation.  Ordered dose = injection Rocephin ( ceftrioxone sodium )…