A) urea
B) creatinine
C) uric acid
D) Na+
E) glucose
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Short Answer
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Multiple Choice
A) urea
B) creatinine
C) uric acid
D) Na+
E) glucose
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Multiple Choice
A) filtration.
B) secretion.
C) reabsorption.
D) excretion.
E) none of these answers.
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Multiple Choice
A) involves the movement of substances from the peritubular capillaries into the tubular fluid.
B) involves the movement of substances from the tubular fluid into the peritubular capillaries.
C) is considered to be active if any one of the five steps of transepithelial transport is active.
D) both (a) and (c) above.
E) both (b) and (c) above.
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True/False
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Multiple Choice
A) Step 1
B) Step 2
C) Step 3
D) Step 4
E) Step 5
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Short Answer
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Multiple Choice
A) movement of substances from the peritubular capillary blood into the tubular lumen
B) movement of substances from the glomerular capillary blood into the tubular lumen
C) everything filtered or secreted that is not subsequently reabsorbed
D) movement of substances from the tubular lumen into the peritubular capillary blood
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Multiple Choice
A) is established and maintained by the countercurrent system.
B) makes it possible to put out urine of variable concentration depending on the needs of the body by varying the degree of water permeability of the distal portions of the nephron.
C) is found in the renal cortex.
D) both (a) and (b) above.
E) all of these answers.
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Multiple Choice
A) sodium reabsorption in the distal and collecting tubules
B) sodium reabsorption in the proximal tubule
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle
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Multiple Choice
A) is the removal of substances that were filtered at the glomerulus or secreted but not reabsorbed.
B) is the process by which a substance moves from the peritubular capillary blood to the tubular fluid.
C) conserves substances that are important to the body.
D) occurs by active transport of substances into the urinary bladder.
E) is controlled by sympathetic activity.
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Short Answer
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Multiple Choice
A) permeable
B) impermeable
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Multiple Choice
A) occurs in the loop of Henle.
B) is the process by which plasma water, electrolytes, and small molecules, which enter Bowman's capsule, are separated from blood cells and protein, which remain in the glomerular capillaries.
C) is the process by which a substance is transported from the tubular fluid to the peritubular capillaries.
D) both (a) and (b) above.
E) none of these answers.
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Multiple Choice
A) movement of substances from the peritubular capillary blood into the tubular lumen
B) movement of substances from the glomerular capillary blood into the tubular lumen
C) everything filtered or secreted that is not subsequently reabsorbed
D) movement of substances from the tubular lumen into the peritubular capillary blood
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Multiple Choice
A) renin
B) angiotensinogen
C) angiotensin I
D) angiotensin II
E) aldosterone
F) atrial natriuretic peptide
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Multiple Choice
A) urea
B) creatinine
C) uric acid
D) Na+
E) glucose
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Short Answer
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View Answer
Multiple Choice
A) sodium reabsorption in the distal and collecting tubules
B) sodium reabsorption in the proximal tubule
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle
Correct Answer
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