Question 1
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
CORRECT ANSWER
c. 1000
Question 2
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
CORRECT ANSWER
c. Failure of the lymphocyte population to begin at baseline on the leukocyte histogram
Question 3
1
@THE STUDY VAULT
, 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
CORRECT ANSWER
a. Minimize the exposure to oxygen
Question 4
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
CORRECT ANSWER
a. Phase Contrast
Question 5
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.
2
@THE STUDY VAULT
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
CORRECT ANSWER
c. 1000
Question 2
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
CORRECT ANSWER
c. Failure of the lymphocyte population to begin at baseline on the leukocyte histogram
Question 3
1
@THE STUDY VAULT
, 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
CORRECT ANSWER
a. Minimize the exposure to oxygen
Question 4
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
CORRECT ANSWER
a. Phase Contrast
Question 5
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.
2
@THE STUDY VAULT
