Compared with blood in the renal artery, blood leaving the kidney in the renal vein contains
Correct answer: A. less urea and less oxygen
- A. less urea and less oxygen
- B. more urea
- C. more glucose than normal
- D. no red blood cells
Explanation
The kidney removes urea into urine and consumes oxygen for its active transport, so both fall in the outflowing blood. Glucose is conserved, and red cells never leave the vessels.
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About Kidney and Urinary System
The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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