Most postganglionic fibers of the sympathetic nervous system secrete the neurotransmitter __________.
Fill in the blank(s) with the appropriate word(s).
norepinephrine or NE or noradrenaline
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Sympathetic division fibers leave the spinal cord in the ________
A) craniosacral regions, and the postganglionic fibers secrete norepinephrine B) thoracolumbar region, and the postganglionic fibers secrete acetylcholine C) craniosacral region, and the postganglionic fibers secrete acetylcholine D) thoracolumbar region, and the postganglionic fibers secrete norepinephrine E) craniosacral region, and the preganglionic fibers secrete norepinephrine
__________________ __________________ is the fracture resulting from repeated loading of relatively low magnitude. ________________________________________
Fill in the blank(s) with the appropriate word(s).
Hemolysis may occur when a blood cell is placed into a(n) ________ solution
A) isotonic B) hypertonic C) hypotonic D) merotonic E) homotonic
An epithelial membrane ________.
A) usually involves transitional epithelium B) is formed of epithelium and smooth muscle C) contains simple or stratified epithelia and a basement membrane D) never contains mucus-forming cells