Q. No.Glomerular ultrafiltrate normally does not contain:
1. formed elements of the blood
2. glucose
3. amino acids
4. electrolytes
Identify the incorrect statement regarding antidiuretic hormone (ADH):
| 1. | It is synthesized by the neurons of the hypothalamus and stored and released from the neurohypophysis. |
| 2. | It binds to receptors on the collecting duct cells and activates a cAMP second messenger system. |
| 3. | It is released during body dehydration conditions and acts on the collecting duct. |
| 4. | ADH is released when osmoreceptors in the hypothalamus sense a decrease in the blood osmolality. |
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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 region of human kidney where you expect to find maximum osmolarity is:
1. at the top of the renal cortex
2. at the bottom of the renal cortex
3. at the top of the renal medulla
4. at the bottom of the renal medulla
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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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