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This quiz contains 7 questions from a mix of 1 subtopics.
Which of the following substances is NOT actively reabsorbed in the proximal convoluted tubule?
urea
amino acids
glucose
sodium ions
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The are organelles that provide the energy needed for the active transport of substances in the proximal convoluted tubule.
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List 3 substances that are reabsorbed into the blood from the proximal convoluted tubule.
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Which of the following does NOT occur in the proximal convoluted tubule?
alteration of membrane permeability
diffusion of substances into blood capillaries
co-transport of sodium and glucose
active transport of sodium ions
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What is the main role of microvilli in proximal convoluted tubule cells?
to increase the surface area for reabsorption
to provide structural support
to anchor cells to the basement membrane
to facilitate cell-to-cell communication
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How do substances like glucose move from PCT epithelial cells into blood capillaries?
simple diffusion
co-transport
exocytosis
active transport
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How does the distal convoluted tubule regulate blood pH?
by selectively reabsorbing ions
by secreting hydrogen ions
by converting carbonic acid
through bicarbonate buffering
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