Q. No.The net filtration pressure is the interaction of the hydrostatic and osmotic pressures, driving fluid out of the capillary and is:
1. about equal to the pulse pressure at 40 mmHg
2. favored by colloid osmotic pressure of the plasma
3. opposed by the hydrostatic pressure in afferent arteriole
4. estimated to be approximately 10 mmHg in human kidneys
Glomerular ultrafiltrate normally does not contain:
| 1. formed elements of the blood | 2. glucose |
| 3. amino acids | 4. electrolytes |
A substance freely filtered and then completely reabsorbed by the nephron is:
1. creatinine
2. inulin
3. para amino hippuric acid
4. glucose
A substance is neither filtered, reabsorbed, nor secreted in the kidney. This substance would be most likely found in:
1. glomerular filtrate
2. blood in the renal vein
3. Collecting duct
4. Loop of Henle
Glomerular ultrafiltrate would normally not contain:
1. plasma proteins
2. glucose and amino acids
3. water
4. urea
Filtration slits in the glomerular membrane are formed by:
1. The capillary endothelial cells
2. The basement membrane
3. The podocyte cells
4. Mesangial cells
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The juxtaglomerular apparatus is made up of:
1. Juxtaglomerular cells and podocytes
2. Macula densa and podocytes
3. Juxtaglomerular cells and mesangial cells
4. Juxtaglomerular cells and macula densa
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1. Glomerular filtration
2. Tubular reabsorption
3. Tubular secretion
4. Erythropoietin production
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The reabsorption, from the filtrate, of sodium, glucose and amino acids:
1. involves the Bowman's capsule
2. is restricted to the loop of Henle
3. occurs mainly in the proximal convoluted tubules
4. occurs mainly by osmosis
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What is the mechanism of reabsorption of glucose in the proximal convoluted tubule of the nephron?
| 1. | Diffusion, depending on plasma glucose concentration |
| 2. | An active transport process that is linked to sodium reabsorption |
| 3. | An active transport process that is linked to amino acid transport |
| 4. | Active transport with no link to the transport of any other substance |
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