The elderly patient's deep venous thrombosis was treatee with Coumadin. what is simple subject
thrombosis
To find the simple subject in a sentence, you need to locate the noun or pronoun that is the main focus of the sentence and performs the action described by the main verb.
In the given sentence, "The elderly patient's deep venous thrombosis was treated with Coumadin," the main focus of the sentence is "deep venous thrombosis." The subject "deep venous thrombosis" receives the action of the verb "was treated." Therefore, "deep venous thrombosis" is the simple subject of the sentence.