The chemical substance that is both a hormone and neurotransmitter is:
A. norepinephrine.
B. epinephrine.
C. acetylcholine.
D. the calcium ion.
Answer: B
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What is the approximate hydrostatic pressure in the glomerular capillary?
A. 15 mm Hg B. 5 mm Hg C. 55 mm Hg D. 30 mm Hg
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The hand instrument used to shape and plane enamel and the dentin wall of the cavity prep is the ____________
a. hoe b. hatchet c. excavator d. chisel
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Capillary blood collection tubes that contain heparin (to prevent clotting) are identified by a red mark.
Answer the following statement true (T) or false (F)
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Which of the following is not retroperitoneal?
A) aorta B) inferior vena cava (IVC) C) pancreas D) adrenals E) They are all retroperitoneal.
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