To prepare a vaginal irrigation, a nurse uses 3 tsp of vinegar and 1.5 L of water. a. How many ml of vinegar should she use? b. If she prepares a solution using only 500 ml of water, how many ml of vinegar should she use?
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To prepare a vaginal irrigation, a nurse uses 3 tsp of vinegar and 1.5 L of water.
a. How many ml of vinegar should she use?
b. If she prepares a solution using only 500 ml of water, how many ml of vinegar should she use?
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- A nurse who created a sterile field for a patient is adding asterile solution to the field. What is an appropriate actionwhen performing this task?a. Place the bottle cap on the table with the edges down.b. Hold the bottle inside the edge of the sterile field.c. Hold the bottle with the label side opposite the palm ofthe hand.d. Pour the solution from a height of 4 to 6 inches (10 to15 cm).To the right is an image of a dilution that was performed. The volume above the top arrow indicates the volume that should be transferred to the next tube (i.e. Tube 1). The volume listed at the bottom-right of tube 1 indicates the volume of diluent that should be added to that tube. The stock concentration is 50μg/ml and you want to make a solution in tube 1 with a concentration of 0.4μg/ml and a total volume of 3ml. Stock ?ml Tube 1 ?ml a. How many milliliters of stock solution needs to be added to Tube 1? Round your answer to three decimal places (e.g. 0.111). b. How many milliliters of diluent needs to be added to Tube 1? Round your answer to three decimal places.Choose the one answer that fits best. Which of the following statements regarding the proper procedure for using Micropipettes is NOT correct? O a. You cannot use a 2-20 µl micropipette to pipet 200 µl O b. To expel all the liquid from the tip, you have to press the eject button O c. To draw up solution, press and hold the plunger at the first stop before entering the solution O d. Micropipettes always require the use of a disposable plastic tip O e. While pipetting, micropipettes should always be held as straight as possible
- A nurse who created a sterile field for a patient is adding a sterile solution to the field. What is an appropriate action when performing this task? a. Place the bottle cap on the table with the edges down. b. Hold the bottle inside the edge of the sterile field. c. Hold the bottle with the label side opposite the palm of the hand. d. Pour the solution from a height of 4 to 6 inches (10 to 15 cm).In the spread plate method, why is the volume plated usually limited to not more than 0.1 mL?Prepare 50 plates of Sheep's Blood Agar using 100mm petri dish. Add 10% of blood to the media. (Manufacturer's instructions: Suspend 38 g of blood agar base dehydrated powder in 1 liter of distilled or deionized water.) Pour 25 mL of prepared medium per plate. Express answer to the nearest whole number. How many grams of the dehydrated powder should be weighed? Answer: What is the volume of distilled water that should be used in the preparation? Answer: What is the volume of sheep's blood that should be added to the sterilized and cooled blood agar base? Answer:
- Andrew has to prepare 30 plates (use maximum volume), 15 slants (small test tube), and 15 stabs (big test tube) of Luria Bertani Agar. a. What is the total volume of the medium needed? b. What is the amount of each component needed, given the following media composition per liter of distilled water:The following are errors that people commonly make when they perform serial dilutions. Indicate whether you think that the number of cfu/ ml calculated would be too high or too low if you make this mistake. You intend to add 0.9 ml of diluent to each tube and 0.1 ml of culture. Instead, you add 0.5 ml of diluent to each tube and 0.1 ml of culture to the first tube. Then, you make a serial dilution of 0.1 ml into and from each tube as described. You prepare 0.9 ml of diluents in each tube. You add 0.1 ml of culture (from the overnight culture provided) to every tube. You add 0.9 ml of diluent to each tube. You add 0.1 ml of culture to the first tube and mix. You get distracted, and transfer 0.1 ml to the third tube instead of the second. You perform the rest of the series as described.Demonstrate the procedure for arriving at the answer. A. It is necessary to carry out baths with Amitraz 12.5% in a batch of 25 patients. The product label says to dilute 1.5 ml of the product in 1 liter of water, for this there is a 50-liter water tank to prepare the product. Each patient corresponds to 1.2 L of the product diluted in water for an effective treatment. Calculate: a) total ml of amitraz needed to make the dilution in the water tank. b) ml of the product for each patient. c) Total ml of diluted Amitraz for the batch of patients. Answer: R: a) 75 ml. b) 1200 ml. c) 30.000 ml (Ctrl)-
- An IV bag contains 250 mL of a 5% mannitol solution. How many grams of mannitol are in the IV bag?Give one or two product of Milk and answer the following queston: look at the labels of the different milk preparations: 1. Method of sterilization used. 2. What is the Bacterial culture and flavor used if there is any. 3. What is the Fat, Protein & Carbohydrate(sugar) content? 4. Is fortification done? What substances has been fortified (based on the label)? 5. Are Vitamins & amino acids added? Name them based on the label.Create a Schematic Diagram from the Procedure: PROCEDURE: I. Isolation of Milk Component A. Casein Pour 75ml of milk into a beaker and slowly add 35ml 10% lactic acid. Stir constantly until the Formation of casein precipitates. Filter and save the filtrate (filtrate 1) for procedure B & C. Collect the precipitate and place it into a beaker, add 25ml acetone. Stir well and filter the acetone. Catch the filtrate (filtrate2 for procedure D) in an evaporating dish. Transfer the casein to a filter paper and allow it to dry. Test the casein to prove that it is a protein (Proceed A.1Confirmatory Test for Casein Procedure) A.1 Confirmatory Test for Casein Suspend the casein in 15ml distilled water Stir well and filter Perform Biuret, Millon’s, and Hopkins-Cole tests on the filtrate. (Refer Activity 9) Record Observation B. Lactose From the filtrate (filtrate1) in procedure A, get 2ml sample. Perform Benedict’s Test. C. Globulin To 5ml of the filtrate from procedure A, add 10 drops…