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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?
glucose
sodium ions
amino acids
urea
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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?
diffusion of substances into blood capillaries
active transport of sodium ions
alteration of membrane permeability
co-transport of sodium and glucose
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What is the main role of microvilli in proximal convoluted tubule cells?
to facilitate cell-to-cell communication
to increase the surface area for reabsorption
to anchor cells to the basement membrane
to provide structural support
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How do substances like glucose move from PCT epithelial cells into blood capillaries?
active transport
simple diffusion
exocytosis
co-transport
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How does the distal convoluted tubule regulate blood pH?
by converting carbonic acid
through bicarbonate buffering
by secreting hydrogen ions
by selectively reabsorbing ions
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