Final answer:
A known potential side effect of ACE inhibitors is a dry cough. This side effect is common and can be bothersome, possibly leading to discontinuation of the medication. ACE inhibitors may also have other significant side effects not listed in the question options.
Step-by-step explanation:
The potential side effect of ACE inhibitors is B. Dry cough. ACE inhibitors are medications commonly used to treat conditions such as hypertension and heart failure. One of the common side effects patients might experience is a persistent dry cough. This cough is not harmful, but it can be bothersome and may lead some patients to discontinue the medication. Other possible side effects of ACE inhibitors, which are not listed in the options, include increased heart rate, hypertension, increased probability of heart attacks, and potential adverse effects during pregnancy such as fetal renal failure and pulmonary hypoplasia. Additionally, these medications can cause side effects such as indigestion, heartburn, stomach pain, and more.