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Multiple Choice
Which part of the nephron does not actively or passively transport salt?
A
Proximal convoluted tubule
B
Descending limb of the loop of Henle
C
Ascending limb of the loop of Henle
D
Distal convoluted tubule
Verified step by step guidance
1
Understand the structure and function of the nephron, which is the functional unit of the kidney responsible for filtering blood and forming urine.
Identify the different parts of the nephron: the proximal convoluted tubule, the loop of Henle (which includes the descending and ascending limbs), and the distal convoluted tubule.
Learn about the role of each part in salt transport. The proximal convoluted tubule actively reabsorbs salts, while the ascending limb of the loop of Henle is known for active salt transport.
Recognize that the descending limb of the loop of Henle is primarily involved in water reabsorption and does not transport salt actively or passively.
Conclude that the descending limb of the loop of Henle is the part of the nephron that does not transport salt, either actively or passively.