10 Questions
What is the main role of the hypothalamus in the endocrine system?
Enforcing homeostatic mechanisms on target glands
How does the hypothalamus respond to external and internal signals?
By releasing a variety of hormones
What is the main stimulatory factor involved in the control of the pituitary–adrenal axis?
CRH (Corticotrophin-releasing hormone)
How are the hormones produced by target glands controlled by the anterior pituitary connected to the hypothalamus?
Through the release of CRH
What is the function of the hypothalamo‐hypophyseal portal blood vessels in relation to the pituitary gland?
To regulate the release of anterior pituitary hormones
Which hormone stimulates the release of the gonadotrophins LH and FSH from the gonadotroph?
Corticotropin-releasing hormone (CRH)
What hormone directly inhibits the release of thyrotrophin-releasing hormone (TRH)?
Thyroid hormones
From which organ is the peptide hormone ghrelin predominantly released?
Stomach
Which hormone is a multipurpose hormone exerting more than 300 biologic activities including reproductive, sexual, metabolic, and immune functions?
Prolactin (PRL)
What hormone is subject to negative feedback control by cortisol released from the adrenal cortex?
Gonadotrophin-releasing hormone (GnRH)
Test your knowledge on the hypothalamus, anterior pituitary, and adrenal glands. This quiz covers the structure, functions, and interactions of these important components of the endocrine system.
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