Consider the two statements:
I: | The process of filtration at Malpighian body is regarded as ultrafiltration. |
II: | Blood is filtered so finely that all constituents of plasma pass into the lumen of Bowman’s capsule. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | I is correct but II is incorrect |
4. | I is incorrect but II is correct |
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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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All the following are secreted by the tubules of nephrons except:
1. Sodium ions | 2. Potassium ions |
3. Uric acid | 4. Hydrogen ions |
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The vascular endothelium of glomerular capillaries, basement membrane, and podocytes in the inner lining of Bowman’s capsule form:
1. filtration membrane | 2. juxtaglomerular apparatus |
3. Malpighian corpuscle | 4. nephron |
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About what percent of the glomerular ultrafiltrate is reabsorbed by the tubules during urine formation?
1. 99% | 2. 70% |
3. 50% | 4. 20% |
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Glomerular ultrafiltrate normally does not contain:
1. formed elements of the blood | 2. glucose |
3. amino acids | 4. electrolytes |
The part of the nephron where both hydrogen and potassium ions are secreted into the tubular fluid is the
1. Malpighian body | 2. proximal convoluted tubule |
3. loop of Henle | 4. distal convoluted tubule |
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