Hormone Regulation Terminology

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What is the function of somatostatin in relation to growth hormone?

It stimulates the release of growth hormone
It inhibits the release of insulin-like growth factor
It inhibits the release of growth hormone (correct)
It facilitates the anabolic effects of growth hormone

What is the role of prolactin in lactation?

It triggers and maintains lactation (correct)
It stimulates the growth of adrenal cortex
It regulates the release of growth hormone
It stops milk production

What is the result of growth hormone overproduction in adulthood?

Gigantism
Acromegaly (correct)
Dwarfism
Prolactin imbalance

What is the function of adrenocorticotropic hormone (ACTH)?

It stimulates the growth and development of the adrenal cortex (D) Signup and view all the answers

What is the result of growth hormone deficiency in children?

Dwarfism (B) Signup and view all the answers

What stimulates the release of adrenocorticotropic hormone (ACTH)?

Stress (A) Signup and view all the answers

What is the primary function of exocrine glands?

To release secretions through ducts to a specific location (B) Signup and view all the answers

What type of signalling molecules act on the same cell from which it is secreted?

Autocrine (C) Signup and view all the answers

What is the definition of endocrine glands?

Glands that release hormones directly into the bloodstream (B) Signup and view all the answers

What is the function of chemical messengers produced by endocrine glands?

To produce effects only when they bind to their specific receptors in or on cells (C) Signup and view all the answers

What type of signalling molecules act locally targeting cells in close proximity to it only?

Paracrine (C) Signup and view all the answers

What is the characteristic of glands that release their products directly into the bloodstream?

They are ductless glands that release products directly into the bloodstream (B) Signup and view all the answers

What is the primary reason the pituitary gland is referred to as the master endocrine gland?

It regulates the production and release of hormones from other endocrine glands (B) Signup and view all the answers

What is the primary function of FSH in male animals?

Stimulation of sperm production (B) Signup and view all the answers

What is the effect of ADH on water loss in urine?

Decreased water loss (B) Signup and view all the answers

Why does it take a minute or two of teat stimulation before milk starts to flow freely when milking a cow by hand?

The stimulation of the teat causes the release of oxytocin, which stimulates milk letdown (B) Signup and view all the answers

What is the effect on prolactin release during lactation?

Prolactin release is stimulated (B) Signup and view all the answers

Which hypothalamic hormone stimulates the secretion of adrenocorticotropic hormone (ACTH)?

Adrenocorticotropic hormone (ACTH) releasing hormone (ACTH-RH) (C) Signup and view all the answers

What is the effect of dopamine on prolactin secretion?

Inhibits secretion of prolactin (A) Signup and view all the answers

What is the primary function of growth hormone (GH) in young animals?

Promotion of body growth and development (D) Signup and view all the answers

What is the effect of GH on carbohydrate metabolism?

GH discourages cells from using carbohydrates for energy production (D) Signup and view all the answers

Which hormone inhibits the secretion of GH and TSH?

Somatostatin (GH-IH) (C) Signup and view all the answers

What is the primary role of GH in regulating metabolism?

Encouraging anabolism of proteins, lipids, and carbohydrates (D) Signup and view all the answers

What is the main function of mineralcorticoids, such as aldosterone?

Regulating electrolyte levels and blood pressure (D) Signup and view all the answers

What region of the adrenal gland produces sex hormones, such as androgens and estrogens?

Adrenal cortex (B) Signup and view all the answers

What is the primary function of glucocorticoids, such as cortisol?

Helping the body resist stress (B) Signup and view all the answers

What is the location of the adrenal glands?

Near the cranial ends of the kidneys (A) Signup and view all the answers

What is the main difference between the adrenal cortex and the adrenal medulla?

The adrenal cortex produces hormones, while the adrenal medulla produces neurotransmitters (A) Signup and view all the answers

What is the effect of glucocorticoids on blood glucose levels?

Increasing blood glucose levels (C) Signup and view all the answers