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- You counted 40 colonies on a plate in your dilution series. The plate was inoculated with 1.0ml from a 10-7 test tube, what is the OCD?..
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- What two S. aureus antigens are being detected with the use of this test kit?How would you prepare a 1:500 dilution? You cannot use more than 10mL per tube.Wil completed a full plate titer assay and there were 25 plaques on his 10^-7 plate. What is the titer of his high titer lysate? 10uL of each dilution were used for the plaque assays. O 2.5X10^11 pfu/mL O 2.5X10^7pfu/mL O 2.5X10^9 pfu/mL O 2.5X10^8 pfu/mL O 2.5X10^10 pfu/mL
- What other test can be used to confirm the results obtained in this ELISA test? Name and very briefly describe one other test. Give the reason for your choice.Why is there a need to puncture the skin at 3mm depth in doing the Duke's bleeding time test?At the station there is a 2 mL microcentrifuge tube containing sheep blood and 3 tubes containing the following solutions: 0 mM, 300 mM, 600 mM of sucrose. The tubes are randomly labelled A, B, C. 2 mL of each solution were transferred to a different microcentrifuge tube, 20 ul of blood were then added to each tube, and they were mixed well by inverting the tube for multiple times. They were observed and it was determined whether the solution in each tube was hypotonic (Yes or No) relative to the blood cells. In addition, the solutions were diluted with water to help you determine which solution is which sucrose concentration. What sucrose concentration corresponds with each tube? Tube Hypotonic (Yes/No) Hypotonic after 1:1 dilution with water (Yes/No) Most likely Sucrose concentration (mM) A No Yes B Yes Yes C No No
- What test must be performed as a resault of the needle stick?In routine stool examination, what is a Floatation Technique?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 7 year old female patient is admitted to a local hospital for a greenstick radius break. The break is repaired, the patient is sent home and receives a cast a few days later. The patient arrives back at the hospital 20 days afterwards complaining of pain, sweeling under the cast. Upon removal of the cast, there is notable swelling, pus, and a furuncle. a. what type of specimen should you collect? b. What type of instant test would you perform? c. if your clinic ran out of the instant tests, what lower cost method would you use to identify the species? d. What would be the typical course of treatment? e. Due to some cases of antibiotic resistant infections at the same hospital, the doctors want to use a specimen and test for antibiotic resistence, What test would you perform, and which antibiotics should the doctor avoid prescribing?