B. Battery
Battery is when you don't allow the patient to direct their own treatment or surgery.
Voice, because to dictate it to speak. We can find the base word of dictate in diction. Diction is the use of words in speech and the enunciation of those word while speaking. We know it must be voice because the sentence says the doctor uses a voice recorder in stead of physically writing notes.
First of all, you need to know what an iambic pentameter is. Iamb refers to the sequence of stressed and unstressed syllables - in this case, the unstressed syllable is followed by a stressed one. Pentameter means that there are 5 meters in one line in a poem - and if you know that one meter consists of 2 syllables, then you will know that a pentameter consists of ten syllables (penta = 5). Thus, we are looking for a line that has 10 syllables in total, and the only option that fits that description is D. Hence, the correct answer is D.
The correct definition for each word such as There you know means it's somewhere because of how it's spelled.