The weakest cohesive forces between constituent particles are present in which of the following?
a. Water c. Hydrogen
b. Plastic d. Liquid oxygen
ANS: C
Gases have extremely weak or no cohesive forces between their atoms. Hydrogen is the only gas among the four choices.
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Serum calcium would be significantly elevated in which of the following?
a. Central giant cell granuloma b. Cherubism c. Ameloblastoma d. Langerhans cell disease (idiopathic histi-ocytosis) of the mandible e. None of the above
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What happens when a cell has to use anaerobic metabolism to make glucose?
A) Oxygen and water are created. B) Pyruvic acid is converted to lactic acid. C) Carbon dioxide and water are formed. D) Electrolytes in the cell become balanced.
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