Blood Collection
What anticoagulant is found in a light blue top Vacutainer tube?
Sodium Citrate
Where are blood bank antigens found?
The surface of the RBC
What is the MCV for this patient? RBC count is 4.55 X 1012/L, Hematocrit is 38%, Hemoglobin is 13.4g/dL
83.5 fL
What is the total magnification if the oculars are 15X and the objective is 43X?
645X
What dilution results from the addition of 10 microliters of blood to 140 microliters of saline?
1:15
What color tube is collected for an ammonia level?
Green
Which immunoglobulin is made primarily in the secondary immune response?
IgG
What RBC stage of maturation is the last nucleated one?
Metarubricyte
What is the purpose of the condenser?
It directs and focuses light.
What term refers to the reproducibility of results?
Precision
Leaving the tourniquet on too long can cause what to occur?
Hemoconcentration
The mating of an AO individual and a BB individual can produce how many genotypes and phenotypes?
2 genotypes and 2 phenotypes
Which WBC is elevated in parasitic infections?
Eosinophil
What is another name for the performance rating of a lens?
Numerical Aperature
One liter of 70% alcohol is needed. How much 90% alcohol is required to make the 70% solution?
.78L
What is the order of draw for these tubes: lavender, red, and light blue
Light blue
Red
Lavender
Why is a reverse grouping not performed in the Rh group?
There are no naturally occurring antibodies found in plasma.
What pathway produces 2,3 BPG?
Rapoport-Leubering
What is the concentration of the unknown given the following information:
Concentration of standard - 180 mg/dL
ABS of standard - 0.2564
ABS of unknown - 0.6571
461 mg/dL
How many grams of NaCl are needed to make 6L of an 8% w/v solution?
480 grams
Blood cultures are collected in what color Vacutainer tube?
Yellow
What % of the population is Rh negative?
15%
What is Turk's solution composed of?
Acetic acid and Gentian violet stain
What part of the spectrophotometer selects a single wavelength of light?
Monochromator, prism, filter or diffraction grating
What is the dilution when 0.5mL of serum is diluted to a total of 100mL?
1:200