Read the following statements.
(I) Thyroxine regulates the blood calcium levels
(II) Cortisol produces anti – inflammatory reactions and suppresses the immune system.
(III) PTH is a hypercalcemic hormone which decreases blood calcium levels.
(IV) Catecholamines increase the heart beat, the strength of heart contraction and the rate of respiration.
Select the correct option.

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(II) and (IV) are not true

(I) and (III) are not true

(III) and (IV) are true

(II) and (III) are true

answer is A.

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Detailed Solution

(I) TCT regulates the blood calcium levels
(II) Cortisol produces anti-inflammatory reactions and suppresses the immune system.
(III) PTH is a hypercalcemic hormone which increases blood calcium levels.
(IV) Catecholamines increase the heart beat, the strength of heart contraction and the rate of respiration.

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