Podcast
Questions and Answers
Where is the pituitary gland located?
Where is the pituitary gland located?
- In the thoracic cavity
- In the brain stem
- In the abdominal cavity
- In a pocket of the sphenoid bone at the base of the brain (correct)
What is the function of the pituitary gland?
What is the function of the pituitary gland?
- To produce hormones for digestion
- To produce hormones for growth and development
- To regulate body temperature
- To act as a coordinating center for control of many downstream endocrine glands (correct)
Which hormone produced by the anterior pituitary acts on the breast?
Which hormone produced by the anterior pituitary acts on the breast?
- Prolactin (correct)
- Thyroid-stimulating hormone (TSH)
- Adrenocorticotropic hormone (ACTH)
- Follicle-stimulating hormone (FSH)
What is the function of the tropic hormones produced by the anterior pituitary?
What is the function of the tropic hormones produced by the anterior pituitary?
Which blood vessels supply the anterior pituitary?
Which blood vessels supply the anterior pituitary?
What is the name of the structure immediately below the hypothalamus that the portal hypophysial vessels pass through?
What is the name of the structure immediately below the hypothalamus that the portal hypophysial vessels pass through?
What is the function of oxytocin in the posterior pituitary?
What is the function of oxytocin in the posterior pituitary?
What is the function of vasopressin in the posterior pituitary?
What is the function of vasopressin in the posterior pituitary?
What is the name of the molecule that regulates skin pigmentation in the intermediate lobe of the pituitary?
What is the name of the molecule that regulates skin pigmentation in the intermediate lobe of the pituitary?
What type of cells in the anterior pituitary secrete growth hormone?
What type of cells in the anterior pituitary secrete growth hormone?
What type of cells in the anterior pituitary secrete prolactin?
What type of cells in the anterior pituitary secrete prolactin?
How many types of secretory cells have been identified in the anterior pituitary?
How many types of secretory cells have been identified in the anterior pituitary?
Which chromosome contains the growth hormone-hCS cluster?
Which chromosome contains the growth hormone-hCS cluster?
What is the function of human chorionic somatomammotropin (hCS)?
What is the function of human chorionic somatomammotropin (hCS)?
What is the primary difference between hGH-N and hGH-V?
What is the primary difference between hGH-N and hGH-V?
What is the significance of the complex mixture of growth hormone peptides in the circulation?
What is the significance of the complex mixture of growth hormone peptides in the circulation?
What is the relationship between the various peptides derived from hGH-N?
What is the relationship between the various peptides derived from hGH-N?
What is the characteristic of human chorionic gonadotropin (hCG)?
What is the characteristic of human chorionic gonadotropin (hCG)?
Before birth, what stimulates the secretion of IGF-I?
Before birth, what stimulates the secretion of IGF-I?
What is the highest concentration of IGF-I typically reached?
What is the highest concentration of IGF-I typically reached?
In which organs is IGF-II expressed in adults?
In which organs is IGF-II expressed in adults?
What happens when IGF-II is overexpressed in human fetuses?
What happens when IGF-II is overexpressed in human fetuses?
What is the primary role of IGF-II during fetal development?
What is the primary role of IGF-II during fetal development?
What percentage of the circulating pool of growth hormone activity is in the bound form?
What percentage of the circulating pool of growth hormone activity is in the bound form?
What is the approximate half-life of circulating growth hormone in humans?
What is the approximate half-life of circulating growth hormone in humans?
What is the estimated daily growth hormone output in adult humans?
What is the estimated daily growth hormone output in adult humans?
What is the primary source of hGH-V and hCS in the circulation?
What is the primary source of hGH-V and hCS in the circulation?
What is the function of the plasma protein that binds to growth hormone?
What is the function of the plasma protein that binds to growth hormone?
What is the structure of the growth hormone receptor?
What is the structure of the growth hormone receptor?
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