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The adrenal medulla produces
Option: 1
Cortisone
Option: 2
ACTH
Option: 3
Epinephrine
Option: 4
Corticosterone
Answers (1)
-
Epinephrine or Adrenaline:
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It is secreted at the time of emergency. Hence it is also called emergency hormone.
-
It has a greater effect on cardiac activity than norepinephrine.
-
It causes only weak constriction of the blood vessels of the muscles in comparison with a much stronger constriction that results from norepinephrine.
-
Both adrenaline and noradrenaline act on the cells of skeletal, cardiac and smooth muscles and blood vessels and fat cells.
-
Because of the role of their hormones, the adrenal glands are also called ‘glands of emergency’.
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