The invention concerns a test instrument for analyzing body fluids such asblood orurine comprising a wound test tape (16) which can be transported from astoragespace (24) into a waste space (28) by advancing the tape, said test tapehaving aplurality of test sections to which body fluid can be applied at a receivingposition(20) and comprising a measuring unit (18) for detecting a constituent of thebodyfluid on an active test section (38). In order to carry out auxiliaryinstrumentfunctions, it is proposed that the test tape (16) has one or more functionalsections(40) in addition to the test sections which can be brought into a functionalpositionby advancing the tape.
