Growth Hormone (GH) Physiology Quiz

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Questions and Answers

What is another name for Growth Hormone (GH)?

Somatomedin
Adipocytes
Somatotropin (correct)
Insulin-like Growth Factor-I

Which cells in the anterior pituitary synthesize and secrete Growth Hormone (GH)?

Adipocytes
Somatrophs (correct)
Cartilage cells
Liver and kidneys

What is the main source of plasma Insulin-like Growth Factor-I (IGF-I)?

Cartilage cells
Adipocytes
Somatrophs
Liver and kidneys (correct)

In which organ does Growth Hormone (GH) stimulate the breakdown of triglycerides?

<p>Fat cells (adipocytes) (C)</p> Signup and view all the answers

Which type of effect results from growth hormone binding its receptor on target cells?

<p>Direct effects (C)</p> Signup and view all the answers

Flashcards

Growth Hormone alternative name

Another name for Growth Hormone (GH) is Somatotropin.

GH-producing cells in the pituitary

Somatrophs in the anterior pituitary produce and release Growth Hormone (GH).

IGF-I source

The liver and kidneys are the major producers of Insulin-like Growth Factor-I (IGF-I).

GH's effect on fat cells?

Growth Hormone (GH) promotes the breakdown of triglycerides in fat cells (adipocytes).

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GH receptor effect type

Growth Hormone binding to target cell receptors has direct effects.

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Study Notes

Growth Hormone Overview

Growth Hormone (GH) is also known as Somatotropin.
Secreted by somatotrophs, which are specialized cells in the anterior pituitary gland.

Insulin-like Growth Factor-I (IGF-I)

The primary source of plasma Insulin-like Growth Factor-I (IGF-I) is the liver, which produces IGF-I in response to GH stimulation.

Triglyceride Breakdown

Growth Hormone (GH) promotes the breakdown of triglycerides in adipose tissue, facilitating lipid mobilization and energy utilization.

Biological Effects of GH

Growth Hormone binds to specific receptors on target cells, leading to a direct anabolic effect on tissues, influencing growth and metabolism.

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Description

Test your knowledge of the synthesis, secretion, and physiological effects of growth hormone (GH), also known as somatotropin. Explore the role of GH in affecting various tissues throughout the body and its distinct actions compared to other pituitary hormones.