Textbook Question
Trace the path of a drop of blood from its entry into the renal artery until its exit at a renal vein.
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25. The Urinary System
Blood Supply of the Kidneys
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The arteriole that exits the glomerular capillaries and goes on to form the peritubular capillaries is the:
A
Afferent arteriole.
B
Efferent arteriole.
C
Vasa recta.
D
Renal vein.
Verified step by step guidance1
Understand the structure of the nephron in the kidney, which includes the glomerulus, a network of capillaries involved in the filtration of blood.
Identify the role of the afferent arteriole, which carries blood to the glomerulus for filtration.
Recognize that after blood is filtered in the glomerulus, it exits through the efferent arteriole.
Learn that the efferent arteriole then branches into the peritubular capillaries, which surround the renal tubules and are involved in reabsorption and secretion processes.
Differentiate between the peritubular capillaries and the vasa recta, which are specialized capillaries associated with the loop of Henle in juxtamedullary nephrons.
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