Q. No.The branch of renal artery that directly supplies the glomerulus is the:
1.
efferent arteriole
2.
interlobular artery
3.
arcuate artery
4.
afferent arteriole
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Glomerular ultrafiltrate normally does not contain:
| 1. formed elements of the blood | 2. glucose |
| 3. amino acids | 4. electrolytes |
The urine concentrating ability of mammals and birds is correlated with the length of their:
| 1. | ureters | 2. | proximal convoluted tubules |
| 3. | distal convoluted tubules | 4. | loops of Henle |
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The part of the nephron that is least permeable to water is the:
1. ascending limb of the loop of Henle
2. descending limb of the loop of Henle
3. collecting duct
4. proximal convoluted tubule
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The most toxic nitrogenous metabolic waste product is:
| 1. ammonia | 2. urea |
| 3. uric acid | 4. methane |
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Malpighian body or the renal corpuscle is made up of:
1. Glomerular capillaries and PTCN
2. Bowman's capsule and renal tubules
3. Afferent and efferent arterioles
4. Glomerular capillaries and Bowman's capsule
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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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A hormone formed in the blood that causes vasoconstriction is:
| 1. Renin | 2. Aldosterone |
| 3. Angiotensin | 4. Vasopressin |
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