In order to make 25 mL of a 4% RBC suspension, how much blood is needed?
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The most common radiation source in atomic absorption instru…
The most common radiation source in atomic absorption instruments is a
To validate the precision of an instrument, what must be don…
To validate the precision of an instrument, what must be done?
After receiving a 24-hour urine for quantitative total prote…
After receiving a 24-hour urine for quantitative total protein, the CLS must first
A unit of fresh frozen plasma (FFP) is thawed at the request…
A unit of fresh frozen plasma (FFP) is thawed at the request of a physician and placed in the blood bank refrigerator at 1-6 degrees C. The physician then decided NOT to transfuse the plasma. Twenty-two hours later, the physician wants to administer the previously thawed unit of fresh frozen plasma to the same patient. The clinical laboratory scientist should
A hematology laboratory in a hospital has determined that th…
A hematology laboratory in a hospital has determined that the abnormal low RBC control has a mean value of 3.12 x 1012/L. The 95% confidence limits include red cell count values from 3.06 x 1012/L to 3.18 x 1012/L. One standard deviation for this control is equal to
An aerobic sheep blood agar plate from a human bite wound cu…
An aerobic sheep blood agar plate from a human bite wound culture smelled significantly of hypochlorite. Upon observation, among the mixed respiratory flora, were tiny yellowish colonies sunk into small craters in the medium. Workup of the colonies revealed a small, nonfermenting, gram-negative bacillus that gave the following reactions: Based on the information below, the most likely identification for the organism is catalase negative urease negative indole negative arginine negative lysine decarboxylase positive
The ristocetin induced platelet aggregation assay is useful…
The ristocetin induced platelet aggregation assay is useful in the diagnosis of which of the following coagulation defects?
A clinical laboratory scientist just finished pouring off a…
A clinical laboratory scientist just finished pouring off a whole rack of chemistry specimens when he/she accidentally knocked the rack off the counter onto the floor. Standard protocol was followed in cleaning up the spill, but his/her gloves were observed to be bloody. Which of the following should be done next?
Which of the following patients is a candidate to receive Rh…
Which of the following patients is a candidate to receive Rh Immune Globulin (RhIG)?