Which is the correct order for increasing size?
a. Atoms, molecules, mixtures, compounds, elements
b. Atoms, elements, molecules, compounds, mixtures
c. Elements, atoms, molecules, compounds, mixtures
d. Atoms, elements, mixtures, molecules, compounds
ANS: B
All matter, whether in gas, liquid, or solid form, is made up of atoms that can combine to form elements; the elements can then combine to form molecules. Molecules can combine to form compounds. Combining compounds makes a mixture.
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What is the function of the two sesamoid bones at the base of the proximal phalange of the first toe?
a. They assist in mobility and provide a protective tunnel for the flexor hallucis brevis tendon. b. They assist in weight-bearing and provide a protective tunnel for the extensor hallucis brevis tendon. c. They assist in weight-bearing and provide a protective tunnel for the flexor digitorum brevis tendon. d. They assist in weight-bearing and provide a protective tunnel for the flexor hallucis brevis tendon.
The generic name for Axid® is:
a. Ranitidine. b. Nizatidine. c. Famotidine. d. Cimetidine.