Before administering the first dose of lithium carbonate to a client, the nurse reviews information about the drug. Which statement accurately describes the metabolism and excretion of lithium?
a) Lithium is primarily metabolized in the liver and excreted through the kidneys.
b) Metabolism of lithium occurs in the kidneys, and it is excreted through the liver.
c) Both metabolism and excretion of lithium take place in the kidneys.
d) Lithium undergoes minimal metabolism and is mainly excreted unchanged in the urine.
