Multiple Choice
At a particular position along a nephron, the osmotic potential of the filtrate is 500 mOsm/L, whereas the surrounding kidney's is 600 mOsm/L. Which of the following is a likely result?
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42. Osmoregulation and Excretion
Osmoregulation and Excretion
Multiple Choice
All of the following processes occur in the nephron of the kidney except __________.
A
tubular secretion
B
capsular filtration
C
cellular respiration
D
selective reabsorption
E
blood cell formation
Verified step by step guidance1
Identify the main functions of the nephron in the kidney, which include filtration, reabsorption, secretion, and excretion.
Understand that capsular filtration refers to the process where blood plasma is filtered through the glomerulus into the Bowman's capsule.
Recognize that tubular secretion involves the transfer of materials from the blood into the tubular fluid, which is part of the nephron's function.
Acknowledge that selective reabsorption is the process by which useful substances are reabsorbed from the filtrate back into the blood.
Note that cellular respiration and blood cell formation are not processes that occur in the nephron. Cellular respiration occurs in cells to produce energy, and blood cell formation (hematopoiesis) occurs in the bone marrow, not in the kidney.
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