<prompt> A myocardial infarct specimen is showing early granulation tissue. According to this change when has the infarct occurred?Less than 1 hourWithin 24 hoursWithin 1 weekWithin 1 month  <response>: Following a myocardial infarction, early formation of fibrovascular granulation tissue at margins occur in 7-10 days.Ref: Robbins Pathologic Basis of Disease, 6th Edition, Page 558; Essentials of Rubins Pathology By Emanuel Rubin, 5th Edition, Pages 277-8 