The testosterone level in brian’s blood has dropped below the normal range. which sequence of events will happen as a result? the pituitary gland secretes the luteinizing hormone (lh), which stimulates the hypothalamus to secrete the gonadotropin releasing hormone (gnrh). thisstimulates the testes to secrete testosterone. the hypothalamus secretes the gonadotropin releasing hormone (gnrh), which stimulates the pituitary gland to secrete luteinizing hormone (lh). this stimulates the testes to secrete testosterone. the pituitary gland secretes the gonadotropin releasing hormone (gnrh), which stimulates the hypothalamus to secrete the luteinizing hormone (lh). this stimulates the testes to secrete testosterone.