Podcast
Questions and Answers
What is the primary function of the hypothalamus-pituitary axis?
What is the primary function of the hypothalamus-pituitary axis?
- Regulation of hunger and thirst
- Regulation of circadian rhythms
- Coordination of voluntary movements
- Homeostatic regulation of various physiological processes (correct)
What is the typical concentration range of steroid hormones in the blood?
What is the typical concentration range of steroid hormones in the blood?
- 10^-12 – 10^-14M
- 10^-2 – 10^-4M
- 10^-8 – 10^-10M (correct)
- 10^-4 – 10^-6M
What is the primary mechanism of steroid hormone secretion?
What is the primary mechanism of steroid hormone secretion?
- Simple diffusion (correct)
- Exocytosis
- Facilitated diffusion
- Active transport
What is the primary action of steroid hormones on target cells?
What is the primary action of steroid hormones on target cells?
What is the primary cause of hormone deficiency disorders?
What is the primary cause of hormone deficiency disorders?
What is the primary function of the posterior pituitary (neurohypophysis)?
What is the primary function of the posterior pituitary (neurohypophysis)?
What is the primary mechanism of hormone resistance disorders?
What is the primary mechanism of hormone resistance disorders?
What is the primary function of hypothalamic neurosecretory cells?
What is the primary function of hypothalamic neurosecretory cells?
What is the primary characteristic of steroid hormone action?
What is the primary characteristic of steroid hormone action?
What determines the amplitude of the response to hormone stimulation?
What determines the amplitude of the response to hormone stimulation?
Which gland secretes adrenaline?
Which gland secretes adrenaline?
What hormone is not produced by the hypothalamus?
What hormone is not produced by the hypothalamus?
Which hormone is a glycoprotein?
Which hormone is a glycoprotein?
Which of the following is synthesized in the Golgi apparatus and transported as a free hormone?
Which of the following is synthesized in the Golgi apparatus and transported as a free hormone?
What type of hormone is calcitonin?
What type of hormone is calcitonin?
Which hormone is not synthesized by the anterior pituitary?
Which hormone is not synthesized by the anterior pituitary?
Which hormone is not steroid-based?
Which hormone is not steroid-based?
Which is a hormone produced by the posterior pituitary?
Which is a hormone produced by the posterior pituitary?
Which of the following hormones is stored in large amounts at secretory granules?
Which of the following hormones is stored in large amounts at secretory granules?
Which of the following is an eicosanoid?
Which of the following is an eicosanoid?
What is the primary role of the hypophysial portal system in the anterior pituitary?
What is the primary role of the hypophysial portal system in the anterior pituitary?
Which hormone is produced by the intermediate lobe of the fetal pituitary?
Which hormone is produced by the intermediate lobe of the fetal pituitary?
Which part of the hypothalamus regulates the body's master clock?
Which part of the hypothalamus regulates the body's master clock?
What is the primary cause of fluctuations in hormone activity?
What is the primary cause of fluctuations in hormone activity?
Which circuit regulates hypothalamus-pituitary-adrenal (HPA) axis activity?
Which circuit regulates hypothalamus-pituitary-adrenal (HPA) axis activity?
What type of input does the suprachiasmatic nucleus (SCN) receive to regulate daily rhythms?
What type of input does the suprachiasmatic nucleus (SCN) receive to regulate daily rhythms?
Which of the following is NOT a component of the anterior pituitary's control system?
Which of the following is NOT a component of the anterior pituitary's control system?
Which type of hormone has the ability to short-loop feedback?
Which type of hormone has the ability to short-loop feedback?
What triggers plasma hormone 1 in the hypothalamus-pituitary portal vessel?
What triggers plasma hormone 1 in the hypothalamus-pituitary portal vessel?
Which entity in the tripartite endocrine system controls the thyroid?
Which entity in the tripartite endocrine system controls the thyroid?
What is the primary function of the hypothalamus-pituitary portal system in the anterior pituitary?
What is the primary function of the hypothalamus-pituitary portal system in the anterior pituitary?
What type of hormone has the ability to exhibit negative feedback and short-loop feedback?
What type of hormone has the ability to exhibit negative feedback and short-loop feedback?
Which part of the hypothalamus regulates the body's master clock and ensures entrainment of physiological processes to a 24-hour cycle?
Which part of the hypothalamus regulates the body's master clock and ensures entrainment of physiological processes to a 24-hour cycle?
What is the primary cause of fluctuations in hormone activity in the tripartite endocrine system?
What is the primary cause of fluctuations in hormone activity in the tripartite endocrine system?
What type of hormone is produced by the intermediate lobe of the fetal pituitary?
What type of hormone is produced by the intermediate lobe of the fetal pituitary?
Which circuit regulates hypothalamus-pituitary-adrenal (HPA) axis activity and cortisol release?
Which circuit regulates hypothalamus-pituitary-adrenal (HPA) axis activity and cortisol release?
What is the primary role of the hypothalamus in the tripartite endocrine system?
What is the primary role of the hypothalamus in the tripartite endocrine system?
What type of input does the suprachiasmatic nucleus (SCN) receive to regulate daily rhythms?
What type of input does the suprachiasmatic nucleus (SCN) receive to regulate daily rhythms?
Which entity in the tripartite endocrine system controls the thyroid?
Which entity in the tripartite endocrine system controls the thyroid?
What is the primary mechanism of hormone regulation in the tripartite endocrine system?
What is the primary mechanism of hormone regulation in the tripartite endocrine system?
What is the primary difference between peptide hormone synthesis and steroid hormone synthesis?
What is the primary difference between peptide hormone synthesis and steroid hormone synthesis?
Which type of hormone receptor is responsible for receiving peptide hormones?
Which type of hormone receptor is responsible for receiving peptide hormones?
What is the primary mechanism of hormone action for non-steroid hormones?
What is the primary mechanism of hormone action for non-steroid hormones?
Which type of hormone is synthesized in the Golgi apparatus and transported as a free hormone?
Which type of hormone is synthesized in the Golgi apparatus and transported as a free hormone?
What is the primary characteristic of hormone receptors in the hypothalamus-pituitary axis?
What is the primary characteristic of hormone receptors in the hypothalamus-pituitary axis?
Which type of hormone is most closely associated with hormone resistance disorders?
Which type of hormone is most closely associated with hormone resistance disorders?
What is the primary mechanism of hormone release from the anterior pituitary?
What is the primary mechanism of hormone release from the anterior pituitary?
Which type of hormone is most closely associated with the hypothalamic-pituitary-adrenal (HPA) axis?
Which type of hormone is most closely associated with the hypothalamic-pituitary-adrenal (HPA) axis?
What is the primary function of the hypothalamus in the hypothalamus-pituitary axis?
What is the primary function of the hypothalamus in the hypothalamus-pituitary axis?
Which type of hormone is most closely associated with the regulation of calcium metabolism?
Which type of hormone is most closely associated with the regulation of calcium metabolism?
What is the primary site of de novo biosynthesis of steroid hormones?
What is the primary site of de novo biosynthesis of steroid hormones?
Which of the following is a characteristic of hormone excess disorders?
Which of the following is a characteristic of hormone excess disorders?
What is the primary mechanism of hormone action on target cells?
What is the primary mechanism of hormone action on target cells?
What is the primary function of the hypothalamic neurosecretory cells?
What is the primary function of the hypothalamic neurosecretory cells?
What is the primary site of hormone action in the hypothalamus-pituitary axis?
What is the primary site of hormone action in the hypothalamus-pituitary axis?
Which of the following is a characteristic of hormone resistance disorders?
Which of the following is a characteristic of hormone resistance disorders?
What determines the potency of steroid hormones?
What determines the potency of steroid hormones?
What is the primary mechanism of hormone transport in the blood?
What is the primary mechanism of hormone transport in the blood?
Which of the following is a type of hormone that is not stored in the gland?
Which of the following is a type of hormone that is not stored in the gland?
What is the primary function of the hypothalamus in the hypothalamus-pituitary axis?
What is the primary function of the hypothalamus in the hypothalamus-pituitary axis?
