A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will Coumadin have on blood-clotting mechanisms?
A) Coumadin will make it necessary for the patient to eat extra leafy green vegetables.
B) Vitamin K will not be absorbed from the digestive tract.
C) The liver will not be able to produce needed clotting factors.
D) Nothing, because vitamin K is not necessary for blood clotting.
C
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Smooth muscle lines hollow organs like blood vessels and the digestive tract
a. true b. false
You discover a butterfly that has some similarity to members of the species Faunis canens, but it also has a few important differences. What taxonomic level would best describe your new discovery?
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Because of the hepatic portal vein, the _____ is the first organ to receive most of the products of digestion.
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