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Multiple Choice
Which statement about the function of the kidneys is true?
A
The kidneys store bile for digestion.
B
The kidneys filter waste products from the blood.
C
The kidneys are responsible for producing insulin.
D
The kidneys regulate the production of red blood cells by producing glucagon.
Verified step by step guidance
1
Begin by identifying the primary functions of the kidneys in the human body. The kidneys are vital organs in the urinary system, primarily responsible for filtering waste products from the blood and excreting them as urine.
Understand that the kidneys do not store bile. Bile is produced by the liver and stored in the gallbladder, playing a role in digestion by emulsifying fats.
Recognize that the kidneys do not produce insulin. Insulin is a hormone produced by the pancreas, which regulates blood glucose levels.
Clarify that the kidneys do not produce glucagon. Glucagon is another hormone produced by the pancreas, which helps to increase blood glucose levels.
Note that the kidneys do play a role in regulating the production of red blood cells, but they do this by producing erythropoietin, not glucagon. Erythropoietin stimulates the bone marrow to produce red blood cells in response to low oxygen levels in the blood.