Loops of Henle is found in the nephron of:
1. insects
2. fish
3. birds
4. amphibians

Subtopic:  Nitrogenous Excretory Products |
 60%

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What will be seen in a fish living in a marine environment?
1. They do not drink the water in their surroundings.
2. They drink the water in their surroundings.
3. They move monovalent ions into their bodies through active transport across their epithelial outer tissue.
4. They move monovalent ions out of their bodies through active transport across their epithelial outer tissue.

Subtopic:  Nitrogenous Excretory Products |

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A vertebrate osmoconformer is:
1. reptile
2. freshwater fish
3. dlophin
4. hagfish

Subtopic:  Nitrogenous Excretory Products |

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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
Subtopic:  Human Kidney: Functions | Concentration of Urine |
 83%
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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
Subtopic:  Nephron Part 1 | Nephron Part 2 |
 78%
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Glomerular ultrafiltrate would normally not contain:
1. plasma proteins
2. glucose and amino acids
3. water
4. urea

Subtopic:  Formation of Urine |
 80%

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Bony fishes are:

1. ureotelic 2. ammonotelic
3. uricotelic 4. Either 1 or 3
Subtopic:  Nitrogenous Excretory Products |
 75%

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Urea in humans is synthesized in:

1. Kidneys 2. Renal vein
3. Liver 4. Urinary bladder
Subtopic:  Nitrogenous Excretory Products |
 80%
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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

Subtopic:  Concentration of Urine |
 76%
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Sodium is the principal cation in blood. If the blood concentration of sodium ions gets below normal:
1. blood volume increases and blood pressure decreases
2. water drains from the collecting duct
3. blood volume and blood pressure decrease
4. ADH secretion increases

Subtopic:  Autoregulation of GFR |

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