Growth hormone is secreted by which of the following endocrine glands?

RRB Nsg. Superintendent-20 July 2019 (Shift-1)

Applied Anatomy

Easy

Appeared in: RRB Nsg. Superintendent-20 July 2019 (Shift-1)

Explanation

Growth Hormone (GH), also known as somatotropin, is synthesized and secreted by somatotroph cells located in the anterior pituitary gland (adenohypophysis).
The pituitary gland is often called the "master gland" because it controls the function of many other endocrine glands through the hormones it produces.
GH plays a crucial role in stimulating growth, cell reproduction, and regeneration. It is vital for normal physical growth in children and has metabolic effects throughout life.

Option A: The adrenal glands secrete hormones related to stress, metabolism, and blood pressure regulation, such as cortisol and aldosterone, not growth hormone.
Option C: The ovaries are female reproductive glands that secrete sex hormones like estrogen and progesterone, which are responsible for the menstrual cycle and female characteristics.
Option D: The testes are male reproductive glands that secrete testosterone, the primary male sex hormone, which is responsible for spermatogenesis and male characteristics.

Visual 1: Diagram: Illustration of the endocrine system, highlighting the location of the pituitary, adrenal glands, ovaries, and testes.
Visual 2: Flowchart: Depicting the hypothalamic-pituitary axis, showing how GHRH from the hypothalamus stimulates the anterior pituitary to release GH.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Secretion and source of Growth Hormone (GH) as background academic context rather than a clinical decision trigger.
Nurses play a key role in monitoring growth patterns in pediatric patients to screen for potential GH deficiencies (leading to dwarfism) or excesses (leading to gigantism).
In adult patients, nurses may manage care for conditions like acromegaly (GH excess), monitoring for associated complications such as hypertension, diabetes, and heart failure.
What if? If an adult patient presents with unexplained enlargement of hands and feet, along with new-onset diabetes, a nurse should recognize these as potential signs of acromegaly and ensure the healthcare team investigates for a possible pituitary tumor.

How to Approach the Question

Identify the core of the question, which asks for the specific endocrine gland that secretes 'Growth Hormone'.
This is a factual recall question requiring knowledge of the endocrine system's anatomy and physiology.
Systematically review the options provided: Adrenal, Pituitary, Ovaries, and Testes.
Recall the primary hormones produced by each gland. Associate the adrenal glands with stress hormones, and the ovaries and testes with sex hormones.
Remember that the pituitary gland is the 'master gland' responsible for producing several trophic hormones, including Growth Hormone.
Select the option that correctly links the hormone (Growth Hormone) to its source gland (Pituitary).

Concept Tested & Keywords

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