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The prevention of the issue of an incompatible blood component is an example of

Mr. Smith was admitted to your institution for surgery. The physician has ordered four units of blood. Mr. Smith’s presurgical testing showed that he has an anti-C and anti-D. How many units of ABO compatible blood would you have to screen to find four that are negative for both C and D antigens? Antigen Frequencies: D positive       85% C positive      70%

A 10-year old girl was hospitalized because her urine had a distinct red color. The patient has recently recovered from an upper respiratory infection and appeared very pale and lethargic. Tests were performed with the following results: Hemoglobin: 5g/dL Direct Antiglobulin Test: Positive (for complement only) Antibody screen: Negative Donath-Landsteiner test: Positive The patient probably has:

A 65-year-old woman experienced shaking, chills and fever of 103 degrees F approximately 40 minutes following the transfusion of a second unit of red blood cells. The most likely explanation of the patient’s symptoms is:

The criteria required for a “computer” crossmatch include:

As a unit ages, the following substances decrease

If a fasting plasma glucose level of 100 mg/dL is obtained on an individual, a normal cerebrospinal fluid (CSF) glucose level in mg/dL would be approximately _______

Which of the following statements about amniotic fluid bilirubin measured by scanning spectrophotometry is true?

Which parameter of the semen analysis is most critically affected if the first portion of the ejaculation is not collected?

Evaluation of sperm motility includes: