A 30-year-old male patient will begin a three-drug regimen to treat peptic ulcer disease. The ...

A 30-year-old male patient will begin a three-drug regimen to treat peptic ulcer disease. The regimen will consist of bismuth subsalicylate, tetracycline, and cimetidine (Tagamet).
 
  The nurse will include which information when teaching this patient about this drug regimen?
  a. Black discoloration of the tongue and stools should be reported immediately.
  b. Central nervous system depression and confusion are likely to occur.
  c. Decreased libido, impotence, and gynecomastia are reversible side effects.
  d. Staining of the teeth may occur and is an indication for discontinuation of these drugs.