Q. No.A decrease in blood pressure/volume will not cause the release of
1. renin
2. atrial natriuretic factor
3. aldosterone
4. ADH
The part of nephron involved in active reabsorption of sodium is
1. distal convoluted tubule
2. proximal convoluted tubule
3. Bowman's capsule
4. descending limb of Henle's loop
Which one of the following correctly explains the function of a specific part of a human nephron?
1. Henle's loop - most reabsorption of the major substances from the glomerular filtrate
2. Distal convoluted tubule - reabsorption of ions into the surrounding blood capillaries
3. Afferent arteriole - carries the blood away from the glomerulus towards the renal vein
4. Podocytes- create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule
Which one of the following is not a part of a renal pyramid?
1. Convoluted tubules
2. Collecting ducts
3. Loop of Henle
4. Peritubular capillaries
Uricotelic mode of passing out nitrogenous wastes is found in
1. birds and annelids
2. amphibians and reptiles
3. insects and amphibians
4. reptiles and birds
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Which one of the following statements is correct with respect to kidney function regulation?
| 1. | Exposure to cold temperature stimulates ADH release |
| 2. | An increase in glomerular blood flow stimulates the formation of angiotensin II |
| 3. | During summer when the body loses a lot of water by evaporation, the release of ADH is suppressed |
| 4. | When someone drinks a lot of water, ADH release is suppressed |
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Which one of the following statements in regard to excretion by the human kidneys is correct?
1. Descending limb of loop of Henle is impermeable to water
2. Distal convoluted tubule is incapable of reabsorbing HCO-3
3. Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules
4. Ascending limb of loop of Henle is impermeable to electrolytes
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The principal nitrogenous excretory compound in humans is synthesized
1. in kidneys but eliminated mostly through liver
2. in kidneys as well as eliminated by kidneys
3. in liver and also eliminated by the same through bile
4. in the liver, but eliminated mostly through kidneys
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Uric acid is the chief nitrogenous component of the excretory products of
1. man
2. earthworm
3. cockroach
4. frog
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What will happen if the stretch receptors of the urinary bladder wall are totally removed?
1. Urine will not collect in the bladder
2. Micturition will continue
3. Urine will continue to collect normally in the bladder
4. There will be no micturition
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