MLPAO Exam Questions and Answers Already Graded A

MLPAO Exam Questions and Answers Already Graded A Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitating enzymes in the cells - none of the above precipitating cell wall A Westergren tube is used for which test procedure? - prothrombin time - hematocrit - platelet count - erythrocyte sedimentation rate - reticulocyte count Erythrocyte Count Which of the following is the best examples of homeostasis? - sexual reproduction - growth - regulation of body temperature - growth of hair under arms - storage of fat as adipose Regulation of body temperature A Gaspack/candle jar can be used to produce: - an aerobic environment - an anaerobic environment - more vacuum - a vacuum - two of the above An Anaerobic Environment Exchange of Oxygen and nutrients take place via: - lymphatic vessels - arteries - arterioles - capillaries - venules Capillaries MLA is going to prepare 70.5 mL of a solution with 90% concentration. Best glassware used to make this: - volumetric flask - erlenmeyer cylinder - beaker - graduated cylinder - none of the above Graduated Cylinder The range of pH is: - 1-14 - 1-7 - 1- 0-14 A pH of 2 is _________ a pH of 5 - 1000 times less acidic than - 100 time more acidic than - 2 times less acidic than - 20 time less acidic than - 1000 times more acidic than 1000 Times more acidic than A blood glucose is preferred to be done on: - a whole blood using sodium citrate - clotted blood - whole blood using oxalate and sodium fluoride as an anticoagulant - a finger prick specimen - urine Whole blood using oxalate and sodium fluoride as an anticoagulant What is the name give to a substance that kills disease causing microorganisms but not spores and is used on inanimate object? - disinfectant - antiseptic - antibiotic - fungicide Disinfectant Tissues are generally embedded in paraffin wax so that they may be: - decalcified - cut into sections - dehydrated - fixed - stained Cut into Sections The pipette with a bulged middle section is a: - mohr pipette - serological pipette - micro pipette - volumetric pipette - broken pipette Volumetric Pipette A patient asks you to tell him his test results.. You should, - ask him to check with his physician - tell him the results are not ready - tell him his results - refuse to discuss the subject - only tell him if results are normal Ask him to check with his physician. A plasma protein involved in clotting is: - immunoglobulin - gamma globulin - albumin - fibrinogen - unable to determine with information given Fibrinogen What tube would be drawn if a physician requested a heterophile antibody screen? - green -grey - lavender - SST - light blue SST Which statement is false regarding setting up an ESR test? - it must be read in 1 hour - it can be located near a centrifuge - it should be filled to exactly the zero mark - it should be performed on fresh blood - it must be set up vertically It can be located near a centrifuge What is the purpose of a white blood cell differential? - to determine proportion of red cells to white cells in whole blood - to determine white cell count in whole blood - to determine proportion of different white cells in whole blood - to