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Endocrinology Introduction: Endocrine System and Hormones

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Endocrinology Introduction: Endocrine System and Hormones

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Questions and Answers

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 (correct)

Steroid hormones

Modified amine hormones

Amines hormones

What is the characteristic of the half-life of protein hormones?

Variable

Short (minutes) (correct)

Dependent on the target cells

Long (days)

How are steroid hormones synthesized?

Stored as larger precursor molecules

From cholesterol in the cytoplasm by multienzyme processes (correct)

Directly from the endocrine glands

From amino acids as preprohormones

What allows steroid hormones to enter the bloodstream?

Freely diffuse across the plasma membrane Signup and view all the answers

Which type of hormone is bound to specific plasma proteins once released into the bloodstream?

Steroid hormones Signup and view all the answers

What are cells that contain receptors for specific hormones called?

Target cells Signup and view all the answers

Which category of endocrine disorder involves a problem with the gland that produces the hormone?

Primary disorder Signup and view all the answers

What is the main challenge in correcting hypersecretion of a hormone?

Inhibiting the gland without causing destruction of endocrine tissue Signup and view all the answers

What is the typical treatment for hyposecretion?

Hormone replacement therapy Signup and view all the answers

Which hormone stimulates the secretion of ACTH?

Corticotrophin releasing hormone (CRH) Signup and view all the answers

What does Prolactin releasing hormone (PRH) stimulate the secretion of?

Prolactin Signup and view all the answers

Which hormone is responsible for milk production in mammary glands?

Prolactin Signup and view all the answers

What is the typical cause of growth hormone deficiency?

Traumatic injury or pituitary tumors Signup and view all the answers

How is growth hormone deficiency determined?

Stimulation tests involving injection of insulin Signup and view all the answers

What does growth hormone stimulate in most tissues?

Body growth Signup and view all the answers

What is the main challenge in correcting hypersecretion of a hormone?

Inhibiting the gland without causing destruction of endocrine tissue Signup and view all the answers

Endocrinology Introduction: Endocrine System and Hormones

Choose a study mode

Podcast

Questions and Answers

Which type of hormone is synthesized in the endocrine glands as larger precursor molecules called preprohormones and circulate in blood as free hormone?

What is the characteristic of the half-life of protein hormones?

How are steroid hormones synthesized?

What allows steroid hormones to enter the bloodstream?

Which type of hormone is bound to specific plasma proteins once released into the bloodstream?

What are cells that contain receptors for specific hormones called?

Which category of endocrine disorder involves a problem with the gland that produces the hormone?

What is the main challenge in correcting hypersecretion of a hormone?

What is the typical treatment for hyposecretion?

Which hormone stimulates the secretion of ACTH?

What does Prolactin releasing hormone (PRH) stimulate the secretion of?

Which hormone is responsible for milk production in mammary glands?

What is the typical cause of growth hormone deficiency?

How is growth hormone deficiency determined?

What does growth hormone stimulate in most tissues?

What is the main challenge in correcting hypersecretion of a hormone?

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