Two ml of diluent are placed in each tube in a row of tubes….
Two ml of diluent are placed in each tube in a row of tubes. Two ml of a patient’s serum are placed in the first tube and mixed. Half of the volume is pipetted into the second tube and mixed. Half of the volume is pipetted into the third tube and mixed and so on down the line of tubes. A standard amount of antigen is placed in all tubes and mixed. After a period of time, antigen-antibody reactions can be seen in tubes 1, 2, 3 and 4 but not the remaining tubes. Which of the following most accurately defines the patient’s titer?
Read DetailsRachel, a 47-year-old woman who has suffered kidney disease…
Rachel, a 47-year-old woman who has suffered kidney disease for several years, has been diagnosed with proteinuria. Her legs and feet are so swollen that she has difficulty walking. Her hands and her left arm are also swollen. Could this condition be playing a role in her swollen limbs?
Read DetailsA 10-year-old boy is taken to the pediatrician with swollen…
A 10-year-old boy is taken to the pediatrician with swollen parotid glands. The pediatrician suspects a mumps infection and sends the patient’s serum to the lab to test for mumps by an enzyme-linked immunosorbent assay (ELISA). A positive ELISA result would give which of the following information?
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