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    Question

    Which of the following are functions of the kidney?

    1. Filtration of blood to remove waste products. 2. Regulation of blood pressure through the renin-angiotensin system. 3. Production of insulin to regulate blood sugar levels. 4. Regulation of water and electrolyte balance in the body. Select the correct answer using the code below:
    A 1, 2, 4 Correct Answer Incorrect Answer
    B 1, 3, 4 Correct Answer Incorrect Answer
    C 2, 3, 4 Correct Answer Incorrect Answer
    D 1, 2, 3 Correct Answer Incorrect Answer

    Solution

    • Statement 1 is correct as the kidney filters blood to remove waste products such as urea. • Statement 2 is correct as the kidney produces renin, which is involved in regulating blood pressure. • Statement 3 is incorrect as insulin is produced by the pancreas, not the kidneys. • Statement 4 is correct as the kidney plays a crucial role in maintaining the balance of water and electrolytes in the body.

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