Which of the following statements which compare the two sources of epinephrine is (are) correct?

1. Epinephrine from the sympathetic system is released faster.
2. Epinephrine from the sympathetic system is released more slowly.
3. The effects of epinephrine from the adrenal medulla last longer.
4. The effects of epinephrine from the adrenal medulla disappear more quickly.

1. Epinephrine from the sympathetic system is released faster.

3. The effects of epinephrine from the adrenal medulla last longer.