50 uL of a sample is pipetted into 100 uL of diluent in a test tube. The concentration of the tube is 1000 ng/ml (A). You will perform a serial dilution, taking 50 uL from the first tube and transferring

into 100 uL of diluent, into three more tubes. What is the final concentration of the third tube?

Anurse is reviewing the medical record of a client who is receiving vancomycin daily. the nurse should review which of the following laboratory results prior to administering the next dose? a. blood glucose level b. serum creatinine level c. total iron-binding count d. thyroid-stimulating hormone level

The electrical charge needed for nerve cell firing" is the result of ion exchange in and around the cell. a. true b. false

5. was it hubris, lack of "patient experience," or frankly, sheer stupidity on the part of the researchers who contacted the family later for blood/dna samples, to think the family understood what they were doing and why were they doing it?