Which of the following specimens cannot be tested on the Velocity Macroscopic Chemistry Module? a. Gross Hematuria b. Specimens <2 mL c. Pyridium d. Diluted Specimens e. All of the above
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Which of the following specimens cannot be tested on the Velocity Macroscopic Chemistry Module? a. Gross Hematuria b. Specimens <2 mL c. Pyridium d. Diluted Specimens e. All of the above
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- In the spectrofluorometric analysis of quinine, which of the following statements/phrases can be considered a factor level? A. Concentration of 2 ppm of iodide B. Concentration of quenchers C. The use of iodide D. Use of QuenchersWhich statement(s) describe(s) a microplate reader?A. It is spectrophotometerB. It can read the absorbance of one sample with adjustable path lengthC. It can handle multiple samples in parallelD. It will do all measurement jobs without our supervision a. A & B b. A, B & C c. A, B, C & D d. A e. A & C1. Tools that do not need to be brought when sampling is…a. thermometerb. Hygrometerc. PH meterd. DO meter 2. In the deposition method, one of the conditions that must be met is…a. The precipitate has a high solubility or solubility productb. The precipitate formed must be quite difficult to dissolvec. The precipitate formed does not have to be quite pured. Free precipitate form
- Discuss the underlying premise of each test that will be performed in this experiment. a. Biuret Test b. Xanthoproteic Test c. Milson’s Test d. Hopkin’s Cole Test e. Reduced Sulfur Test1. The Cocaine test device only provides a preliminary qualitative analytical result. The preferred confirmatory method for quantitating the concentration of Cocaine in the specimen is Gas Chromatography/ mass Spectrometry. After performing the screening test for Cocaine, 3 specimens were interpreted as POSITIVE and 10 specimens were interpreted as NEGATIVE. How many specimens will be sent for Confirmatory testing? Why? 2. This symbol was seen on the box containing the test devices for Cocaine. What does it mean? 3. Another symbol was seen on the box containing the test devices for Cocaine. What does it mean?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
- Identify the FALSE statement about visualization of thin layer chromatography results. A. The spots of colourless compounds are invisible to the eyes. B. These spots can be detęcted by putting the plate under ultraviolet light. C. These spots can be detected by placing the plate in a covered jar containing iodine crystals. D. None of the above. All are true statements.A quality control test that involves a media fill procedure should include multiple manipulations using all of the following EXCEPT: Select one: O a. O b. O C. O d. Glass vials Glass beakers Glass ampoules Empty sterile bags Q Search T M BOE 10The blood sprayed on the surface of liquid nitrogen is .A appealing method .B Thin wall method .c sand method .D Cryosurgery
- Discuss the significance of the following processes and what constituent is being determined: a. Borntragers’s test b. Bate-Smith and Metcalf method c. Wilstatter “cyanidin” testThe acid fast technique is also known as: A. Ziehl-Neelsen stain B. Auramine-rhodamine stain C. Gerrard-Lampard Stain D. Kinyoun methodIf 0.1 ml is added to 99.9 ml medium, this results in a dilution of: Select one: а. 10-3 b. 10-4 С. 10-1 d. 10-5 e. 10-2