A patient may have hypertension for several years before he becomes symptomatic or the hypertension is discovered during a routine physical examination.

Treatments for osteoporosis include calcium and vitamin ________ supplementation, medications to help preserve calcium, hormone replacement, and exercise

a. A b. B c. C d. D

What are alkanes?

a. Compounds whose molecules are composed of only carbon and hydrogen atoms b. Compounds whose molecules are composed of carbon, hydrogen, and benzene rings c. Compounds that contain only carbon-to-carbon single bonds d. The bonding electron of each carbon atom is shared with a valence electron from other atoms