The hormone responsible for the sodium metabolism is
Aldosterone
$ACTH$
Vasopressin
None of above
What is cause of adison's disease ?
When a normal heart is injected with physiological concentration of adrenalin, it shows
$I.$ The adrenal cortex secretes many hormones called corticoids $II.$ Corticoids involved in carbohydrate metabolism are called glucocorticoids $III.$ Cortisol is main glucocorticoids $IV.$ Aldosterone is the main mineralocorticoids
Select the correct combination from the given options
Norepinephrine
$(i)$ is released by sympathetic fibers
$(ii)$ is released by parasympathetic fibers
$(iii)$ increases the heart rate
$(iv)$ decreases blood pressure.
Which of the above statements are correct ?
When the normal heart of a man is injected with physiological concentration of adrenaline it shows