Podcast
Questions and Answers
What is the main role of the hypothalamus in the endocrine system?
What is the main role of the hypothalamus in the endocrine system?
- Regulating circadian rhythms
- Enforcing homeostatic mechanisms on target glands (correct)
- Producing hormones for the adrenal glands
- Coordinating behavioral rhythms
How does the hypothalamus respond to external and internal signals?
How does the hypothalamus respond to external and internal signals?
- By regulating the release of anterior pituitary hormones
- By producing factors that act on the pituitary
- By releasing a variety of hormones (correct)
- By coordinating circadian rhythms
What is the main stimulatory factor involved in the control of the pituitary–adrenal axis?
What is the main stimulatory factor involved in the control of the pituitary–adrenal axis?
- Homeostatic mechanisms
- Circadian rhythm
- CRH (Corticotrophin-releasing hormone) (correct)
- Behavioral rhythms
How are the hormones produced by target glands controlled by the anterior pituitary connected to the hypothalamus?
How are the hormones produced by target glands controlled by the anterior pituitary connected to the hypothalamus?
What is the function of the hypothalamo‐hypophyseal portal blood vessels in relation to the pituitary gland?
What is the function of the hypothalamo‐hypophyseal portal blood vessels in relation to the pituitary gland?
Which hormone stimulates the release of the gonadotrophins LH and FSH from the gonadotroph?
Which hormone stimulates the release of the gonadotrophins LH and FSH from the gonadotroph?
What hormone directly inhibits the release of thyrotrophin-releasing hormone (TRH)?
What hormone directly inhibits the release of thyrotrophin-releasing hormone (TRH)?
From which organ is the peptide hormone ghrelin predominantly released?
From which organ is the peptide hormone ghrelin predominantly released?
Which hormone is a multipurpose hormone exerting more than 300 biologic activities including reproductive, sexual, metabolic, and immune functions?
Which hormone is a multipurpose hormone exerting more than 300 biologic activities including reproductive, sexual, metabolic, and immune functions?
What hormone is subject to negative feedback control by cortisol released from the adrenal cortex?
What hormone is subject to negative feedback control by cortisol released from the adrenal cortex?
