Final answer:
The best response to a patient's query on low-dose aspirin after a heart attack is that it reduces the risk of further cardiovascular events by preventing blood clot formation and has fewer side effects than higher doses, such as lower risk of bleeding and ulcers.
Step-by-step explanation:
A client who is prescribed low-dose aspirin after a heart attack may wonder why a smaller dose is recommended instead of a regular 325 mg tablet. The nurse's best response would be to explain that low-dose aspirin is routinely recommended for patients at risk for cardiovascular disease as a preventive measure. This low dose is effective at inhibiting the aggregation of platelets without the increased risk of serious side effects associated with higher doses. Higher doses of aspirin could increase the risk of bleeding, particularly in individuals with a history of ulcers or those taking other medications that affect clotting.
While the nurse's response option C, "Taking 325 mg of aspirin daily will increase your risk of bleeding," is correct, it is important to also understand that aspirin has been shown in studies to decrease the risk of a myocardial infarction in those with no previous history of heart disease, specifically in adults at increased risk for coronary artery disease. Nevertheless, aspirin therapy should be started only after consulting with a healthcare provider, considering the risks of ulcers and other potential side effects like stomach bleeding, especially in elderly patients or those with certain preexisting conditions.