In case of a heart attack, a hormone is injected as an emergency measure, Which one is it?
A
Thyroxine
B
Adrenaline
C
Heparin
D
Insulin
Correct Answer: Adrenaline
Heparin is a hormone secreted by the liver. This is anticoagulant in its property. It prevents cloting of blood inside the heart and blood vessels. Heart attack is the result of a block in the blood vessels supplying blood to the walls of the heart.