Bands/Stabs. Early in the response to infection, immature forms of neutrophils will be seen. These are call Stab or Band cells. The presence of these immature cells is called a shift to the left and can be the earliest sign of a WBC response, even before the WBC becomes elevated.
urine culture and sensitivity (C&S), a microscopic study of the urine culture performed to determine the presence of pathogenic bacteria in patients with suspected urinary tract infection.rine culture and sensitivity (C&S), a microscopic study of the urine culture performed to determine the presence of pathogenic bacteria in patients with suspected urinary tract infection.
Sensitivity is a measure of. how likely it is for a test to pick up the presence of a disease in a person who has it. Specificity: We define specificity as the probability that the test says a person does not have the. disease when in fact they are disease free. This is ()|.