The renal cortex:
1. is in contact with the outer capsule
2. is divided into eight to fifteen conical renal pyramids
3. drains into the minor calyces
4. has long loop of Henle of juxtamedullay nephrons

Subtopic:  Human Kidney: Location & Cut Section |
 52%

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The branch of renal artery that directly supplies the glomerulus is the:

1. efferent arteriole 2. interlobular artery
3. arcuate artery 4. afferent arteriole
Subtopic:  Human Kidney: Location & Cut Section |
 80%
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Glomerular ultrafiltrate normally does not contain:

1. formed elements of the blood 2. glucose
3. amino acids 4. electrolytes
Subtopic:  Formation of Urine |
 67%

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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.
Subtopic:  Autoregulation of GFR |
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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 |
 79%
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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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RAAS is opposed by:

1. ADH 2. renin
3. atrial natriuretic peptide 4. angiotensin II
Subtopic:  Autoregulation of GFR |
 77%

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