Angiotensin II human acetate is primarily used in research and clinical settings to study and manage conditions related to blood pressure regulation and cardiovascular function. It is often employed in laboratory experiments to investigate the renin-angiotensin system, which plays a critical role in controlling blood pressure and fluid balance. In clinical applications, it is used to induce hypertension in animal models for studying hypertensive diseases and evaluating the efficacy of antihypertensive drugs. Additionally, it helps in understanding the mechanisms of vasoconstriction and the effects of angiotensin II on various organs, such as the heart, kidneys, and blood vessels. This compound is also utilized in diagnostic tests to assess the responsiveness of the cardiovascular system to angiotensin II, aiding in the diagnosis and management of conditions like hypotension or shock.