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Chapter 15 Plus 5 Practice Quiz
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1. Most nephrons are located within the renal:
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medulla
calyces
pelvis
cortex
pyramids
2. Which one of the following is NOT true of urine under normal healthy conditions:
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it is sterile
it typically contains ammonia
it is slightly aromatic
it is more dense than water
it is slightly alkaline
3. As venous blood is drained from the kidney, which path does it follow:
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cortical radiate veins, arcuate veins, interlobar veins, segmental veins, renal vein
arcuate veins, cortical radiate veins, interlobar veins, renal vein
renal vein, segmental veins, interlobar veins, arcuate veins, cortical radiate veins
renal vein, interlobar veins, segmental veins, arcuate veins
cortical radiate veins, arcuate veins, interlobar veins, renal vein
4. The main hormone that acts on the kidneys to regulate sodium ion concentration of the extracellullar fluid (ECF) is:
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aldosterone
epinephrine
renin
ADH
secretin
5. The thirst center is located in the
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medulla oblongata.
thalamus.
pons.
hypothalamus.
midbrain.
6. The ability to form a concentrated urine depends on the regulation of the
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Bowman's capsule.
collecting duct.
loop of Henle.
distal convoluted tubule.
proximal convoluted tubule.
7. If, through injury, the blood flow to the kidneys decreases, which of the following will occur?
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The amount of ADH in the blood will decrease.
Sodium reabsorption will be inhibited.
Obligatory water reabsorption will decrease.
The renin-angiotensin system will be activated.
There will be systemic vasodilation.
8. Reabsorption of glucose occurs mostly in the
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nephron loop.
renal corpuscle.
proximal convoluted tubule.
distal convoluted tubule.
renal sinus.
9. If excessive amounts of water are taken into the body,
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the collecting duct becomes more permeable to water.
none of the above
the release of ADH increases.
osmoreceptors in the brain begin to swell.
more water is reabsorbed from the renal tubule.
10. Antidiuretic hormone prevents excessive water loss by promoting water reabsorption in the:
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glomerulus
distal convoluted tubule
bladder
collecting duct
proximal convoluted tubule
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