Multiple Choice
Which of the following is the most abundant cation in extracellular fluid?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following glands is found atop the kidneys?
A
Pituitary gland
B
Adrenal gland
C
Pineal gland
D
Thyroid gland
Verified step by step guidance1
Identify the location of the kidneys in the human body. The kidneys are retroperitoneal organs located on either side of the spine, just below the ribcage.
Understand that the question is asking for a gland that is anatomically positioned on top of the kidneys.
Review the functions and locations of the glands listed in the options: (1) The pituitary gland is located at the base of the brain, (2) the pineal gland is located in the brain near the thalamus, (3) the thyroid gland is located in the neck region, and (4) the adrenal glands are located directly atop the kidneys.
Recall that the adrenal glands are small, triangular-shaped glands that sit on top of each kidney and are responsible for producing hormones such as cortisol, adrenaline, and aldosterone.
Conclude that the correct answer is the adrenal gland, as it is the only gland in the list that is anatomically located atop the kidneys.
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