The adrenal medulla secretes two hormones called adrenaline or $A$ and noradrenaline or $B$. These are commonly called as $C$. Adrenaline and noradrenaline are rapidly secreted in response to stress of any kind and during $D$ situations and are called emergency hormones or hormones of fight or flight. Identify $A$ to $D$ and choose the correct option.

  • A
    $A$-norepinephrine,$B$-epinephrine,$C$-catecholamines,$D$-emergency
  • B
    $A$-epinephrine,$B$-norepinephrine,$C$-catecholamines,$D$-emergency
  • C
    $A$-epinephrine,$B$-norepinephrine,$C$-emergency,$D$-catecholamines
  • D
    $A$-norepinephrine,$B$-epinephrine,$C$-emergency,$D$-catecholamines

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Which of the following hormones regulates the reabsorption of $Na^+$ and the excretion of $K^+$?

Which of the following hormones regulates the reabsorption of $Na^+$ ions?

What is increased by norepinephrine?

Assertion : Aldosterone is a steroid hormone and is important in the control of sodium and potassium ion concentration in mammals.
Reason : It upgrades sodium ion concentration in the $ECF$ by promoting reabsorption of sodium ions from renal tubules and excretion of potassium ions in urine.

Study the given flow chart and identify $A, B, C, D$ and $E$.

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