Renal System Functions Quiz

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Questions and Answers

What is the primary function of the urinary system?

  • Converting vitamin D to an active form
  • Producing erythropoietin and renin
  • Maintaining proper osmolarity of body fluids (correct)
  • Synthesizing glucose from amino acids

What is the role of the kidney in maintaining blood pressure?

  • Excreting excess fluid from blood when blood pressure is high (correct)
  • Producing erythropoietin and renin
  • Synthesizing glucose from amino acids
  • Converting vitamin D to an active form

Which function is associated with renal endocrine function?

  • Excreting wastes of body metabolism and hormones
  • Synthesizing glucose from amino acids
  • Maintaining proper acid-base balance
  • Converting vitamin D to an active form (correct)

What is the process of synthesizing glucose from its primary sources such as amino acids called?

<p>Gluconeogenesis (A)</p>
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Which compound is primarily excreted by the urinary system from protein metabolism?

<p>Urea (B)</p>
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What is the function of the urethra in the male reproductive system?

<p>Serving as a conduit for sperm and urine (A)</p>
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What are the two functions of renin produced by the kidneys?

<p>Regulating blood pressure and converting vitamin D to an active form (D)</p>
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Which part of the kidney is composed mostly of renal pyramids?

<p>Renal medulla (D)</p>
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What is the function of the nephron in the kidney?

<p>Reabsorbing useful materials to the blood and transferring wastes to collecting duct (D)</p>
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How does blood enter the nephron in the kidney?

<p>Through afferent arteriole (B)</p>
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What is the functional unit of the kidney?

<p>Nephron (C)</p>
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What is the main component of ECF (extracellular fluid)?

<p>Sodium (Na+) (B)</p>
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Where is urine stored before being periodically emptied through the urethra?

<p>Bladder (C)</p>
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Which blood vessel supplies each kidney and returns blood to the heart?

<p>Renal artery and vein (D)</p>
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What differentiates cortical nephrons from juxtamedullary nephrons?

<p>Location within the kidney (B)</p>
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