Multiple choice Which of the following sets represents steroid hormones only? Adrenaline, thyroxin, oxytocin Cortisone, testosterone, vasopressin Insulin, estrogen, testosterone Oxytocin, vasopressin, cortisone Cortisone, testosterone, estrogen Reveal answer Fill a bubble to check yourself E Correct answer Explanation Cortisone, testosterone and estrogen: All are steroid hormones