Final answer:
Ranitidine (Zantac) is the medication that the nurse would anticipate to be prescribed to help reduce hydrochloric acid secretion in a patient with a peptic ulcer.
Step-by-step explanation:
The medication that the nurse would anticipate to be prescribed to help reduce hydrochloric acid secretion in a patient with a peptic ulcer is Ranitidine (Zantac). Ranitidine belongs to a class of medications called H₂ blockers, which decrease the amount of acid made in the stomach. It is commonly used to treat ulcers, gastroesophageal reflux disease (GERD), and conditions where the stomach produces too much acid.