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why is the tube passed through the flame after removing and before replacing the cap? If not, what might result?
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- What part of the test tube changes color first (in Resazurin Reduction Test)?If both plates were accidently incubated at 37°C, how might interpretation of the results change? Explain.The x-ray was very dark and is overpenetrated, how would you adjust the exposure factors when doing a repeat of this x-ray?
- In the spread plate method, why is the volume plated usually limited to not more than 0.1 mL?What part of the tube changes color first (in Resazurin Reduction Test between Pasteurized and Raw Milk)?Why is it important to eject a small amount of blood from the syringe sample onto a gauze pad before injecting the sample into the machine?
- what would the operational definition of DV for number 2 be?Using the date in the photo of the two syringes below, answer these six questions: QUESTIONS 1. Which syringe had the most floating disks? Why? 2. What is the gas being released by the leaf disks? 3. Which syringe is the control? 4. Which syringe is the experimental? 5. What is the experimental variable in this experimental design? 6. List at least two controls in this experimental design.The physician who treats your puncture wound opts to insert a drainbefore applying the dressing. What is the rationale for the insertionof the drain?
- In routine stool examination, what is the "Scotch Tape" Method?Guide:a.) What the procedure is used forb.) Summarized Procedurec.) Organisms in stool that are not viable after using Floatation Techniqued.) How common is the test being done in our country?A) Refer to the image below to answer this question. You have a bacterial culture with a concentration of 4x10° bacterial cells per mL of broth. You borrow your initial culture tube to a fellow scientist and she performs the following dilutions: From the original culture 1 mL of broth was transferred to Flask A which contains 99 mL of sterile water. Then 1 mL from Flask A is transferred to Flask B and then 1 mL from Flask B is transferred to Flask C. buffer 1 ml 1 ml 1 ml A C 99 ml 99 ml 99 ml CULTURE Give the dilution of: Flask A Flask B Flask C 0.1 ml 0.1 ml Plate A Plate B Plate C 1.0 ml 1.0 ml Determine the dilution factor for the following questions: 1. What is the dilution from the original to Flask A? 0.1 ml 1 ml 0.1 ml