The nurse is assigned to a 38-year-old patient who presents with polydipsia and polyuria. Past medical history is significant for bipolar disorder diagnosed two months ago, for which the patient was prescribed lithium. The nurse anticipates further testing will reveal which condition? 

The nurse is caring for a patient newly diagnosed with tuberculosis. Which medication(s) will the nurse most likely administer to this patient for his condition? Select all that apply.

The nurse is reviewing the medication list of the patient who wishes to become pregnant. One of the medications is listed as Category X. The nurse knows this medication poses which level of risk to the fetus?