A patient who comes to the emergency department is anxious, short of breath, diaphoretic, and has a history of heart disease. The patient states that the doctor instructed him to chew an aspirin on the way to the emergency department. The practitioner understands that the rationale for this instruction is that aspirin Group of answer choices D. has vasodilatory properties that can improve perfusion of the heart. A. suppresses platelet aggregation, producing an immediate antithrombotic effect. C. augments the effects of morphine. B. acts as an immediate analgesic.