Answer:
The principles of specificity, progression, overload, adaptation, and reversibility are why practicing frequently and consistently are so important if you want to improve your performance.
1) B (seems most likely)
2) D (it was on cognitive function)
3) C (It is a randomized, controller trial. there's a section on it and a randomized, controlled trial chart. Also it's more of a trial than study (says so at the end)
Inform the charge nurse first and if you are the charge nurse first thing is to inform the doctor caring for the patient