Final answer:
The correct nursing diagnosis related to a potential risk among the provided options is 'c) Risk for bleeding', which indicates the patient's potential to develop a condition that could reduce blood volume and impact health.
Step-by-step explanation:
The nursing diagnosis related to a potential risk in the options provided is "c) Risk for bleeding". This is a diagnosis that indicates a patient is at risk for a decrease in blood volume that could compromise health. Examples of actual nursing diagnoses include "a) Impaired skin integrity" and "b) Infection", which are based on current health problems. The last option, "d) Decreased peristalsis", could either be an actual nursing diagnosis if the issue is currently present, or a potential risk if it's something that the patient might develop. However, when specifically addressing potential risks, the correct answer is "Risk for bleeding", as it clearly states a potential future problem that the patient is at risk of developing.