In the normal body, how much glucose is passed in the urine per day (i.e. not reabsorbed into the bloodstream)?
0 mmol/day
10-20 mmol/day
~720 mmol/day
100-200 mmol/day
The majority of tubular reabsorption occurs in what part of the nephron?
Proximal Convoluted Tubule
Bowman's Capsule
Loop of Henle
Distal Convoluted Tubule
In the event of elevated glomerular filtration rate (GFR), the proportion of sodium reabsorbed in the proximal tubule:
Increases
Decreases
Remains constant
Sodium is not reabsorbed in the proximal tubule
In the presence of antidiuretic hormone (ADH), the collecting tubule is water impermeable.
Compared to later segments, earlier segments of the proximal convoluted tubule have:
More rapid transcellular transport and leakier paracellular pathways.
Less rapid transcellular transport and leakier paracellular pathways.
More rapid transcellular transport and tighter paracellular pathways.
Less rapid transcellular transport and tighter paracellular pathways.
How many types of cells comprise the collecting duct?
1
2
3
4
A urinary osmolality of 60-70mosm/kg, with a 15mL/min rate of flow would indicate a lack of anti-diuretic hormone (ADH).
With respect to transcellular reabsorption of glucose, which option correctly matches transporter proteins to their position in the given picture?
1. GLUT 2 2. SGLT 2 3. GLUT 1 4. SGLT 1
1. GLUT 1 2. SGLT 1 3. GLUT 2 4. SGLT 2
1. GLUT 2 2. SGLT 1 3. GLUT 2 4. SGLT 1
1. GLUT 1 2. SGLT 2 3. GLUT 1 4. SGLT 2
Superficial cortical nephrons contain a thin ascending limb of the loop of Henle.
Which part of the nephron is very permeable to water but is almost completely impermeable to Na+, Cl- and urea; this section also has no active transport.
Thin Descending Limb of Loop of Henle
Thin Ascending Limb of Loop of Henle
Thick Ascending Limb of Loop of Henle