Final answer:
An advantage of nicardipine over NTG and SNP is that it has a longer duration of action.
Step-by-step explanation:
An advantage of nicardipine over NTG (nitroglycerin) and SNP (sodium nitroprusside) is that nicardipine has a longer duration of action compared to NTG and SNP. Nicardipine is a calcium channel blocker that works by relaxing and dilating blood vessels, resulting in a decrease in blood pressure. Its longer duration of action allows for sustained blood pressure control compared to NTG and SNP.
Although it is not mentioned in the options, I would like to add that nicardipine is frequently used in the management of hypertension and other cardiovascular conditions.