. The buccal, lingual, and labial salivary glands are __________ salivary glands
A. extrinsic
B. intrinsic
B
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A severely dehydrated patient begins to experience the formation of random blood clots. Why is this happening?
A. Dehydration stimulates vasospasms, which in turn lead to clot formation. B. Dehydration leads to a concentration of clotting factors, which triggers the intrinsic mechanism of coagulation. C. Dehydration collapses the capillaries and exposes collagen, which triggers the extrinsic mechanism of coagulation. D. Dehydration leads to a concentration of clotting factors, which triggers the extrinsic mechanism of coagulation.
Indicate the type of epithelium that is best suited for allowing diffusion of substances, as would be found lining the air sacs of the lungs.
A. Transitional B. Stratified squamous C. Simple squamous D. Simple columnar
Which of the following statements concerning vitamin D is false?
A. Vitamin D causes the kidney to excrete calcium. B. Vitamin D is necessary for the uptake of calcium from the intestine. C. Vitamin D begins its synthesis in the skin when the skin is exposed to ultraviolet light. D. Vitamin D is important for calcium homeostasis. E. Vitamin D is necessary for the formation of bones and teeth.
As the popliteal vein ascends the leg, it becomes the ________ vein.
A. femoral B. common iliac C. peroneal D. saphenous E. deep femoral