Multiple choice

Which of the following hormones does not act via. a second messenger system?

  1. Glucagon

  2. Epinephrine

  3. Growth hormone

  4. Testosterone

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a steroid hormone from the androgen group that is primarily secreted in the testes. It is the principal male sex hormone and is largely responsible for male growth and development. It does not act via. a second messenger system.