Which action made by the nurse may contaminate the surface of the sterile item?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

In what part of the body does the most muscle activity happen?