Write the correct form.

After receiving months of treatment, the patient was relieved to learn that the disease had lapsed into _____. (quiescent)

quiescent or quiescence

answer: quiescent

No. Since it's the object of a preposition (into), it must be a noun.

http://www.merriam-webster.com/dictionary/quiescence

To determine the correct form in this sentence, we need to understand the appropriate usage of the words "quiescent" and "quiescence." Both words are related to the state of being quiet or inactive, but they are used differently.

In this context, we are looking for an adjective to describe the disease after months of treatment. "Quiescent" is the appropriate form because it functions as an adjective, directly modifying the noun "disease." It describes the disease as being in a state of quiescence, or being quiet or inactive.

On the other hand, "quiescence" is a noun that represents the state of being quiet or inactive. It is not the best choice to describe the disease itself. Instead, it would be used to refer to the state or condition of being quiescent.

Therefore, the correct form for the sentence is "quiescent," as it is the adjective form that properly describes the disease's state after receiving months of treatment.