Exam Study Set for MLPAO 2024 Questions and Answers

Exam Study Set for MLPAO 2024 Questions and Answers Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine - gentian-violet - CORRECT ANSWER-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 - CORRECT ANSWER-precipitating cell wall A Westergren tube is used for which test procedure? - prothrombin time - hematocrit - platelet count - erythrocyte sedimentation rate - reticulocyte count - CORRECT ANSWER-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 - CORRECT ANSWER-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 - CORRECT ANSWER-An Anaerobic Environment Exchange of Oxygen and nutrients take place via: - lymphatic vessels - arteries - arterioles - capillaries - venules - CORRECT ANSWER-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 - CORRECT ANSWER-Graduated Cylinder The range of pH is: - 1-14 - 1-7 - 1-12 - 0-12 - 0-14 - CORRECT ANSWER-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 - CORRECT ANSWER-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 - CORRECT ANSWER-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 - CORRECT ANSWER-Disinfectant Tissues are generally embedded in paraffin wax so that they may be: - decalcified - cut into sections - dehydrated - fixed - stained - CORRECT ANSWER-Cut into Sections