MLT Practice Exam Questions and Answers | Latest Update | 2024/2025 | 100% Pass

MLT Practice Exam Questions and Answers | Latest Update | 2024/2025 | 100% Pass **Q: How should you adjust the observed colony count in a urine culture plated using a calibrated 0.001 mL loop to report correctly?** - Multiply by 1 - Multiply by 100 - Multiply by 1000 - Multiply by 2000 **Multiply by 1000** **Q: What histogram observation in peripheral blood smear correlates with finding 12 nucleated erythrocytes per 100 leukocytes?** - Failure of the granulocyte population to return to baseline on the leukocyte histogram - Shift to the left of the erythrocyte population on the erythrocyte histogram - Failure of the lymphocyte population to begin at baseline on the leukocyte histogram - Shift to the right of the platelet population on the platelet histogram **Failure of the lymphocyte population to begin at baseline on the leukocyte histogram** **Q: Why is a specimen for anaerobic culture placed in an anaerobic holding jar?** - Minimize exposure to oxygen - Maximize spore formation - Increase the growth rate of the sample - Decrease the exposure to UV light **Minimize exposure to oxygen** **Q: Which type of microscope is best for examining an unstained, wet preparation of cells or organisms prior to dehydration?** - Phase Contrast - Fluorescence - Brightfield - Electron **Phase Contrast** **Q: Based on TSI and KIA reactions (alkaline slant over an acid butt, H2S positive, ferments glucose), what is the most likely identification of the organism?** - Proteus mirabilis - Escherichia coli - Pseudomonas aeruginosa - Salmonella sp. **Proteus mirabilis** **Q: What is the most likely interpretation of a baby's RPR titer of 1:2 from cord blood when the mother had active syphilis with an RPR of 1:32?** - The baby has congenital syphilis - The baby does not have syphilis. A titer this low represents passive acquisition of the antibody from the mother - The baby does not have syphilis. A titer this low represents a biological false positive - No definitive conclusion can be made from this data. Further testing is necessary **No definitive conclusion can be made from this data. Further testing is necessary** **Q: Which potential blood donor would be acceptable for donation of whole blood?** - An individual who had a tattoo applied - A phlebotomist with a reported needle stick injury 10 months ago - An individual who has just immigrated