Question

A catecholamine is

• A. Dopamine
• B. Adrenaline
• C. Noradrenaline
• D. All of the above

Answer 1

Answer: (D)

All of the above

• Catecholamine is a monoamine hormone produced by the adrenal glands which are situated on the top of the kidneys.
• The 3 important catecholamines are- dopamine, epinephrine or adrenaline and norepinephrine or noradrenaline.
  
• During extremely stressful (both physical and emotional) conditions catecholamines are released into the blood by the adrenal glands.
  
• They are neurotransmitters that transmit signals in the nervous system.
• It prepares the body to overcome the stressful condition by increasing the heart rate, blood pressure and blood glucose levels.
  
• So, the correct answer is 'All of the above'.