If you mix 143 mL of 70% alcohol with 1,857 mL of distilled water, the result would yield:
A) 2,000 mL of 10% alcohol.
B) 2 L of 10% distilled water.
C) 2,000 mL of 5% distilled water.
D) 2,000 mL of 5% alcohol.
D
Pages: 314–320
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Which statement best describes the repolarization process?
A) The nerve membrane has reestablished a potential of +70 mV. B) Positively charged sodium ions return to the axoplasm due to the negative charge of the axoplasm during polarization. C) Positively charged sodium, calcium, and potassium ions are actively transported from the axoplasm to the extracellular environment. D) Calcium ions re-bind to the receptor sites to ensure that Na+ will not continue to depolarize the axoplasm.
A cylinder has "DOT 3AA 2015" stamped on it. What does the 3AA stand for?
a. Ownership mark c. Non–heat-treated carbon-steel b. Manufacturer's mark d. Heat-treated, high-strength steel