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Question

Renin is produced by


A

Liver

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B

Spleen

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C

Stomach

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D

Juxtaglomerular Cells

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Solution

The correct option is D

Juxtaglomerular Cells


The correct option is option D.

Explanation of correct option:

  1. Renin helps in the control of blood pressure.
  2. This enzyme aids in maintaining the proper levels of sodium and potassium.
  3. The moment body realizes a dip in the blood pressure; renin is released by juxtaglomerular cells in the kidney in the bloodstream.
  4. Juxtaglomerular cells play the role of the sensors that aid in maintaining the volume and the composition of the extracellular fluid when the blood pressure gets too low.

Explanation of incorrect options:

Option A:

Multiple hormones are synthesized by the liver directly, which include 25-hydroxyvitamin D, insulin-like growth factor 1 (IGF-1), and angiotensinogen, but not renin.

Option B:

  1. The spleen helps filter the blood by discarding cellular waste and removing old or damaged blood cells.
  2. It helps make antibodies and white blood cells that help fight infection.

Option C:

  1. The mucosa of the stomach has gastric glands.
  2. The mucus neck cells, oxyntic cells, and peptic cells are the three main types of gastric gland cells.
  3. The various secretions of gastric glands, mucus, pepsinogen, HCL, and intrinsic factors aid in the digestion of food.

Final answer: Renin is produced by Juxtaglomerular Cells.


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