Q. In the adrenal medulla: (Solved)
1. epinephrine is formed by the hydroxylation and decarboxylation of tyrosine
2. 10% of the cells are the epinephrine-secreting type
3. plasma norepinephrine levels are generally unchanged after adrenalectomy
4. catecholamine t1/2 is 10 minutes in the circulation
- c. plasma norepinephrine levels are generally unchanged after adrenalectomy