16 Questions
Which type of hormone is synthesized in the endocrine glands as larger precursor molecules called preprohormones and circulate in blood as free hormone?
Protein hormones
What is the characteristic of the half-life of protein hormones?
Short (minutes)
How are steroid hormones synthesized?
From cholesterol in the cytoplasm by multienzyme processes
What allows steroid hormones to enter the bloodstream?
Freely diffuse across the plasma membrane
Which type of hormone is bound to specific plasma proteins once released into the bloodstream?
Steroid hormones
What are cells that contain receptors for specific hormones called?
Target cells
Which category of endocrine disorder involves a problem with the gland that produces the hormone?
Primary disorder
What is the main challenge in correcting hypersecretion of a hormone?
Inhibiting the gland without causing destruction of endocrine tissue
What is the typical treatment for hyposecretion?
Hormone replacement therapy
Which hormone stimulates the secretion of ACTH?
Corticotrophin releasing hormone (CRH)
What does Prolactin releasing hormone (PRH) stimulate the secretion of?
Prolactin
Which hormone is responsible for milk production in mammary glands?
Prolactin
What is the typical cause of growth hormone deficiency?
Traumatic injury or pituitary tumors
How is growth hormone deficiency determined?
Stimulation tests involving injection of insulin
What does growth hormone stimulate in most tissues?
Body growth
What is the main challenge in correcting hypersecretion of a hormone?
Inhibiting the gland without causing destruction of endocrine tissue
Learn about the endocrine system, which consists of glands that produce hormones to regulate body processes and maintain homeostasis. Explore the function of hormones as chemical messengers in the body's circulation.
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