INSULIN

 I was waiting for 60 minutes to begin and thought I should take a blood  test.  I had taken 7 units of regular insulin.  I finished eating about 5 45 I suppose but was not concerned about my b/g because I thought I had eaten responsibly.  However when I tested it at 7 it was 270.  I was so shocked I tried it again  this time it came up 260.  I am convinecd it was that much.  So I took 5 units of regular and will do some extensive exercise and see how fast I can get it down.  Could the Nurse have made a mistake in what she gave me?  I ate small muffin (never again)  I exercised  for 30 minutes within about 45 minutes and the reading about 7:45 was 180. I stopped exercising for 40 minutes then I will check it again to see if the amount of insulin is the prime reason if it should continue downward at a fast rate.  If it is I will have to watch it carefully so it doesn't go too low.