Clinical Chemistry Exam 1 & (Book Chapters 1,2,3,4 Review Questions) With Complete Solutions

Reverse osmosis (RO) is describes as a process: correct answer: In which water is forced through a semipermeable membrane that acts as molecular filter. Activated carbon filters remove: correct answer: Organic Compounds from water A 0.22 micron filter will remove: correct answer: Particles with a diameter of 2.2 microns The unit of resistivity is: correct answer: MQcm The electrical resistance measured between opposite faces of a 1.00 cm cube of an aqueous solution at a specified temperature is termed: correct answer: Resistivity According to CLSI, the resistivity of clinical laboratory reagent water (CLRW) must be: correct answer: > 10 MQcm Which of the following should not be stored in borosilicate glass because it will etch the inside surface of the glass container? correct answer: Strong bases (caustics) Low actinic glassware has which of the following properties? correct answer: High thermal resistance with an amber or red color added as an integral part of the glass Care must be taken before selecting polyethylene plastic for use as test tubes and disposable transfer pipettes because? correct answer: Polyethylene can bind or absorb proteins, dyes, stains, and picric acid Which of the following classes of glassware, including pipettes, is manufactured and calibrated to deliver the most accurate volume of liquid? correct answer: A A to deliver to TD pipettes are designed to: correct answer: Drain by gravity