ATI Pathophysiology Practice Exam

Question: 1 / 400

What are the primary functions of the kidneys?

Secretion of hormones, regulation of temperature, and absorption of nutrients

Filtration of blood, regulation of fluid balance, electrolyte balance, and acid-base balance

The kidneys play a crucial role in maintaining homeostasis in the body through several vital functions. The primary functions include filtration of blood, which helps to remove waste products and excess substances, and the regulation of fluid balance, ensuring that the body maintains appropriate hydration levels. Additionally, the kidneys are responsible for electrolyte balance, which is essential for nerve function, muscle contraction, and overall cellular function. They also help regulate acid-base balance by excreting hydrogen ions and reabsorbing bicarbonate from urine, which helps maintain the body's pH within a narrow range.

These functions highlight the kidneys' importance not just in waste elimination but also in regulating various body systems, contributing significantly to overall health and stability. The combination of these functions makes option B the most accurate representation of the primary roles of the kidneys.

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Production of bile and regulation of blood pressure

Detoxification of drugs and synthesis of vitamins

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