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MLT Practice Exam /Questions And Answers
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- MLT Practice Exam /Questions And Answers
MLT Practice Exam /Questions And Answers
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MLT Practice Exam /Questions And AnswersQuiz :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
Quiz :Examination of peripheral blood smear revealed 12 nucleated
erythrocytes per 100 leukocytes. Which histogram observation correlates with
this finding?
a. Failure of the granulocyte 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 right of the platelet population on the platelet histogram -
Answer :c. Failure of the lymphocyte population to begin at baseline on the
leukocyte histogram
Quiz :A specimen for anaerobic culture is place in an anaerobic holding jar in
order to:
a. Minimize exposure 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
Quiz :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
Quiz :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 mirabilis
b. Esherichia coli
c. Pseudomonas aeruginosa
d. Salmonella sp. - Answer :a. Proteus mirabilis
Quiz :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 the baby is tested, the RPR is 1:2. Based on the above data, the most
likely interpretation is:
a. The baby has congenital syphillis
b. The baby does not have syphillis. A titer this low represents passive
acquisition of the antibody from the mother
c. The baby does not have syphillis. A titer this low represents a biological false
positive
d. No definitive conclusion can be made from this data. Further testing is
necessary - Answer :D.No definitive conclusion can be made from this data.
Further testing is necessary
Quiz :Which of the following potential donors would be acceptable for
donation of whole blood?
a. An individual who had a tattoo applied
b. A phlebotomist with a reported needle stick injury 10 months ago
c. An individual who has just immigrated to U.S. from Great Britain
d. An 18-year old male taking antibiotics for a severe case of acne -
Answer :d.An 18-year old male taking antibiotics for a severe case of acne
Quiz :An organism from a lung biopsy grew as mould at room temperature
and a yeast at 37C. what is the most appropriate way to interpret these
results?
a. Specimen is contaminated, ask for repeat collection
b. Dimorphic fungus present
c. Two organisms are present but only the mould is significant
d. Two pathogens are present - Answer :b.Dimorphic fungus present
Quiz :In a serological serial dilution, if tube 1 has 1mL of an undiluted
specimen and doubling dilutions are used thereafter, what is the dilution in
tube 10?
a. 1:200
b. 1:500
c. 1:512
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