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- Streptomycin sulfate 400 mg IM daily is ordered for a child weighing 77lbs. The recommended dosage is 20-40 mg/kg/day once daily. A 1 gram vial of streptomycin sulfate is available in powdered form with the following instructions: Dilution with 1.8 mL of sterile water will yield 400mg per mL. If safe, how many mLs will you give?Cyclophosphamide, after reconstitution, has a concentration of 20 mg/mL. The patient, who weighs 67 kg and is 155 cm tall, is ordered cyclophosphamide in 250 mL NS. How many mL will be added to the bag?What is the result for the yellow tube of Methyl red test? What must the pH be in each tube? What is the reagent used in this test? What media is used? Describe the biochemical abilities of these organisms .
- The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield a countable plate? How would you make this? Show your calculations. Confused as to what's implied by "which dilution"? does it mean, how many times?Calculate the volume of BSA stock that will be required to make the standard solutions needed to create the BSA standard curve. Be sure to show your work and include the volume of 0.02 M phosphate buffer required to reach a final volume of 1 mL. From a 2,000 μg/mL BSA stock, create 1 mL of each of the following stock solutions in 0.02 M phosphate buffer using individual microcentrifuge tubes: 50 μg/mL, 250 μg/mL, 500 μg/mL, 1,000 μg/mL, 1,250 μg/mL, 1,500 μg/mL. Be sure to properly label all the microcentrifuge tubes before creating the standards.What is the phenol red test? Please explain the testing and its results and the chemistry behind it? Please explain for a beginners level. Thank you
- Which stationary phase is better in separation of the components of moringa extract for column chromatography? Sodium Bicarbonate or Silica Gel? And Explain.What is the purpose of the sodium thiosulphate in the testing of treated water?How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the original, concentrated material? Assume that you need to have at least 500 µl of each dilution, and you should be able to perform the dilutions in microfuge tubes with a maximum capacity of 1.5 ml.
- What is the purpose of doing the silver nitrate test? Write the chemical equation involved hereWhat non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its basic principles and general methods involved.What is the result of tube A in this Voges-proskauer test? What are the reagents of this test? What is the media used? What is the product of this test that reacts with the reagent to give positive result? What biochemical abilities do these organisms have (or lack)?