OSMT QUESTIONS AND ANSWERS 100% Solved Correctly

OSMT QUESTIONS AND ANSWERS 100% Solved Correctly Glassware used to measure 24-hour urine volumes is a: volumetric flask beaker Erlenmeyer cylinder graduated cylinder safety bulb - answergraduated cylinder Glassware used to make 100 ml of a 12% solution is a: volumetric flask beaker Erlenmeyer cylinder graduated cylinder safety bulb - answerAnswer: a) volumetric flash a suction device used to draw up liquids is a: volumetric flask beaker Erlenmeyer cylinder graduated cylinder safety bulb - answerAnswer: e) safety bulb The pipette with a bulged-out portion in the middle is a: Mohr pipette pasture pipette serological pipette volumetric pipette micro-pipette - answerAnswer: d) volumetric pipette Which piece of glassware would not give critical measurement: volumetric flask beaker Erlenmeyer cylinder graduated cylinder safety bulb - answerAnswer: b) beaker The durable material used to make heat resistant glassware is: polyethylene soda lime polystyrene borosilicate polyvinyl chloride - answerAnswer: d) borosilicate Solid crystals of potassium oxalate are added to distilled water in a container. What term would describe the potassium oxalate? solution solvent solute reagent a & c - answerAnswer: c) solute The destruction of all micro-organisms including spores is called: sanitation antisepsis sterilization disinfection asepsis - answerAnswer: c) sterilization A ug is a unit to describe: time volume distance weight length - answerAnswer: d) weight A pH of 2 is _____ than a pH of 5: 1000 times more acidic 100 times more acidic 2 times less acidic 20 times less acidic 1000 times more acidic - answerAnswer: e) 1000 times more acidic Cells in a hypertonic solution will: swell and burst dehydrate hemolyze not be affected stop mitosis - answerAnswer: b) dehydrate The solution used to fix a pap smear is: wright stain hematoxylin physiological saline cytospray methylene blue - answerAnswer: d) cytospray Blood for an RBC count must be prepared from: EDTA blood citrated blood heparinized blood oxalated blood clotted blood - answerAnswer: a) EDTA blood Which reagent is not routinely used to preserve tissue in a life-like manner: formic acid Zenker's fluid 40% formaldehyde dissolved in water Bouin's fluid 10% formalin - answerAnswer: a) formic acid Which piece of histology equipment is not temperature dependent: wax tissue processor microtome embedding center water bath - answerAnswer: c) microtome A biopsy is: a removal of biological fluid the removal of an organ a post mortem examination excision of a representative tissue sample a collection of blood - answerAnswer: d) excision of a representative tissue sample During tissue processing, what is the correct sequence of steps: clearing, dehydration, infiltration clearing, infiltration, dehydration dehydration, infiltration, clearing dehydration, clearing, infiltration embedding, sectioning, staining - answerAnswer: d, dehydration, clearing, infiltration Fixation is important in tissue processing because it: prevents cell morphology changes and shrinkage allows tissue to be examined in a life-like condition facilitates the staining process a & c a, b, & c - answerAnswer: e) a, b, & c the liquid portion of blood remaining after a clot has formed is called: the buffy coat