A Client with Peptic Ulcer Disease

The nurse is administering 0800 medications. Which medication would the nurse question  

Misoprostol (Cytotec), a prostaglandin analog, to a 29-year-old female with an NSAID-produced ulcer. 

Omeprazole (Prilosec), a proton-pump inhibitor, to a 68-year-old male with a duodenal ulcer. 

Furosemide (Lasix), a loop diuretic, to a 56-year-old male with a potassium level of 4.2 mEq/L. 

Acetaminophen (Tylenol), a nonnarcotic analgesic, to an 84-year-old female with a frontal headache. 

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