Question Detail
Question
The hypothalamic-pituitary-gonadal (HPG) axis begins with which hormone from the hypothalamus?
Correct Answer
Option D is the correct answer.
Detailed Explanation
The HPG axis begins with GnRH from the hypothalamus, which stimulates the pituitary gland to release FSH and LH, which in turn act on the gonads.
Hint
This releasing hormone from the hypothalamus initiates the hormonal cascade.