UAH College of Nursing and Huntsville Hospital will “admit” 2,700 first graders to the 28th annual "Let's Pretend Hospital" beginning this week on the university’s campus.The simulated hospital is located in the Nursing Building and will open its doors to “sick” first graders on Friday, March 15 from 8:30 a.m. to 2 p.m. and will resume activities March 18-22.