PCTs want me to do there Work

I'm new to Dialysis, I was trained in the Day shift but was put on the evening shift to fly solo. Today is my last week of training on the evening shift. All I know on the evening shift is that there is a thick barrier between the nurses and the PCTs. In New York, at at Chronic Clinic. PCTs are suppose to put the patient on and take off. Nurses are to do the Cath. patients. I can have 8 to 12 patients. There is 1 PCT for 4 pts. As we all know when change over hits its very hectic. The PCTs will want me to schedule myself to put on or take off there pts. Some of them work slow on purpose so you can jump in. I have my own load and sometime l don't get a break. Yesterday I started at 2pm, I didn't get a break until 10 pm (which I only to 20 mins ), and it was 2 of us,but all the PCTs got there break (30mins)and dinner break (1 hr). Sometime I jump in and help them, but then they try to take advantage of you. I know 1 PCT try to demand me to do there work, want me to strip and prime all here machines, but the charge nurse had my back and told her the New York State rules.

Now I know why all the nurses leave in 1 to 2yrs. All the nurses have less than 1yr 2months on evening shift. All are planning to leave now. The only reason they stayed that long was to get the 1 yr experience. I'm trying to be a nice person but I don't want anyone taking advantage of me. I feel worst for the other nurses, because they told me because I'm a male nurse. Your not getting challenge as much.

Is this a nationwide problem? Everyday there are serious arguments of PCTs trying to get out of work.
Monday I'm alone, I'm thinking I might have to put everyone in there place when they work with me, or do I have the wrong attidue