Beta Blocker List: An Introduction. Beta blockers are prescription medications used to treat many different conditions, such as high blood pressure (hypertension) or irregular heart rhythms (arrhythmias). There are numerous different beta blockers available, and there are several important differences among the various beta blockers.
An adverb is a part of speech used to describe a verb, adjective, clause, or another adverb. It simply tells the readers how, where, when, or the degree at which something was done. 1  The manager accepted the challenge very nicely.  The italicized word is an adverb that describes nicely, which is another adverb.
Adverbs describe verbs, adjectives, and other adverbs. Example: He slowly walked to the store. (The underlined word is walked, and it is a verb. The italicized word is slowly, and it is the adverb that describes how he walked.). Example: Jenny is clearly annoyed.