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,Which of the following is true regarding
a normal distribution curve?
A. Data points are randomly dispersed
within the distribution curve.
B. Data tend to cluster at the top and
bottom of the distribution curve.
C. Data are more likely to fall closer to
the mean.
D. No predictions can be made about
data distribution. - answer: C. Data are
more likely to fall closer to the mean.
Calculate the coefficient of variation for
a set of data where the mean = 89 mg/dL
and two standard deviations = 14 mg/dL.
A. 7.7%
B. 7.9%
C. 15.7%
D. 15.8% - answer: B. 7.9%
7(SD) / 89 (mean) = 0.0786 × 100 = 7.9%
,All of the following are characteristics of
Burkholderia pseudomallei, EXCEPT?
A. Catalase positive
B. Fat, gram-postive rod
C. Oxidase positive
D. Motility positive - answer: B. Fat,
gram-postive rod
A rejuvenation solution may be used up
to how many days following expiration of
a red cell unit?
A. 1 day
B. 3 days
C. 7 days
D. 10 days - answer: B. 3 days
Error rates in the laboratory are
estimated at what rate?
A. Between 1:10 and 1:100 results.
B. Between 1:32 and 1:1260 results.
C. Between 1:164 to 1:8300 resuits.
, D. Between 1:250 to 1:11500 results. -
answer: C. Between 1:164 to 1:8300
resuits.
What is the first stage in the life cycle of
a hemoflagellate?
A. Amastigote
B. Trypomastigote
C. Promastigote
D. Epimastigote - answer: A. Amastigote
Which analyte shows no difference
between capillary and venous values?
A. Glucose
B. Phosphorus
C. Bilirubin
D. Calcium - answer: B. Phosphorus
The normal Myeloid-to-erythroid ratio
(M:E ratio) ranges from:
A. 2:1 to 7:1