To correctly report a colony count in a urine culture plated using a calibrated
0.001 mL loop, the observed colony count must be multiplied by which of the
following?
a. 1
b. 100
c. 1000
d. 2000
Answer> c. 1000
Examination of peripheral blood smear revealed 12 nucleated erythrocytes p...
MLT Practice Exam Questions and Answers To correctly report a colony count in a urine culture plated using a calibrated 0.001 mL loop, the observed colony count must be mu ltiplied by which of the following? a. 1 b. 100 c. 1000 d. 2000 Answer > c. 1000 Examination of peripheral blood smear revealed 12 nucleated erythrocytes per 100 leukocytes. Which histogram observation correlates with this finding? a. Failure of the gr anulocyte population to return to baseline on the leukocyte histogram b. Shift to the left of the erythrocyte population on the erythrocyte histogram c. Failure of the lymphocyte population to begin at baseline on the leukocyte histogram d. Shift to the ri ght of the platelet population on the platelet histogram Answer > c. Failure of the lymphocyte population to begin at baseline on the leukocyte histogram A specimen for anaerobic culture is place in an anaerobic holding jar in order to: a. Minimize expo sure to oxygen b. Maximize spore formation c. Increase the growth rate of the sample d. Decrease the exposure to UV light Answer > a. Minimize the exposure to oxygen A clinical laboratory technician wishes to examine an unstained, wet preparation of cells or organism prior to dehydration. Which of the following types of microscopes would be best to use in this scenario? a. Phase Contrast b. Fluorescence c. Brightfield d. Electron Answer > a. Phase Contrast An organism gives the following reactions: TSI and KIA alkaline slant over an acid butt, H2S positive ferments glucose. Based on these reactions, what is the most likely identification of the organism? a. Proteus m irabilis b. Esherichia coli c. Pseudomonas aeruginosa d. Salmonella sp. Answer > a. Proteus mirabilis A pregnant woman who has active syphillis and a RPR of 1:32 is being treated with penicillin. She gives birth to a baby boy. When the cord blood from t he baby is tested, the RPR is 1:2. Based on the above data, the most likely interpretation is:
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