36 Questions
Which cells are the source of parathyroid hormone (PTH)?
Chief cells of parathyroid
What is the primary function of PTH?
Increase serum calcium levels
Which hormone is produced by activating 1α-hydroxylase in the proximal convoluted tubule (PCT)?
Calcitriol
Which of the following is the primary regulator of prolactin secretion from the anterior pituitary?
Dopamine
What is the main function of prolactin in females?
Stimulates milk production in the breasts
Which of the following can be used in the treatment of prolactinoma?
Bromocriptine
Which hormone stimulates linear growth and muscle mass through IGF-1 secretion by the liver?
Growth hormone
What is the primary function of antidiuretic hormone (ADH)?
Regulating serum osmolality
Excess secretion of growth hormone may lead to which condition in adults?
Acromegaly
Which hormone regulates blood pressure and serum osmolality?
Antidiuretic hormone
Which hormone stimulates linear growth and muscle mass through IGF-1 secretion by the liver?
Growth hormone
Which hormone stimulates milk production in the breast and inhibits ovulation in females and spermatogenesis in males?
Prolactin
Excess secretion of growth hormone may cause which condition in adults?
Acromegaly
What is the primary regulator of prolactin secretion from the anterior pituitary?
Dopamine
Which hormone has a stronger effect on prolactin regulation than TRH?
Dopamine
Which cells secrete parathyroid hormone (PTH)?
Chief cells of the parathyroid
What stimulates the release of PTH?
All of the above
What is the primary function of PTH?
Increase bone resorption to release calcium and phosphate
Which hormone regulates b1ood pressure and serum osmolality?
Antidiuretic hormone
What is the primary function of growth hormone?
Stimulation of linear growth and muscle mass
Excess secretion of growth hormone may cause which condition in adults?
Acromegaly
Which hormone inhibits ovulation in females and spermatogenesis in males by inhibiting GnRH synthesis and release?
Prolactin
Which hormone stimulates milk production in the breast?
Prolactin
Which of the following can be used in the treatment of prolactinoma?
Bromocriptine
Which of the following is NOT a function of parathyroid hormone (PTH)?
Absorb Ca2+ and PO4 3- in the GI system
Which hormone is commonly increased in malignancies such as squamous cell carcinoma of the lung and renal cell carcinoma?
Phosphate-Trashing Hormone (PTHrP)
Which of the following is NOT a primary regulator of parathyroid hormone (PTH) secretion?
Serum Na+
Which cells secrete parathyroid hormone (PTH)?
Chief cells of parathyroid
What is the primary function of PTH?
Increase serum calcium levels
What stimulates the release of PTH?
Low serum calcium levels
Which hormone is responsible for regulating blood pressure and serum osmolality?
Antidiuretic hormone
What is the primary function of growth hormone?
Stimulating linear growth and muscle mass
Excess secretion of growth hormone may cause which condition in adults?
Acromegaly
Which hormone inhibits its own secretion by dopamine synthesis and secretion from the hypothalamus?
Prolactin
Which hormone stimulates milk production in the breast and inhibits ovulation in females and spermatogenesis in males by inhibiting GnRH synthesis and release?
Prolactin
Which hormone has a stronger effect on prolactin regulation than TRH (thyrotropin-releasing hormone) does?
Dopamine
Test your knowledge on Growth Hormone (GH) and its role in the body. Learn about GH secretion, its effects on growth and muscle mass, and factors that influence its release. Explore topics like insulin resistance, aging, obesity, and more.
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