Answer:
B.
Step-by-step explanation:
Medical data can be defined as those data that includes medical-related information of a patient.
A medical data is divide into several parts and one of this is past medical history. This data consists of past medical treatments, ailments, allergies, etc.
In the given case, Mr. W's information related to chronic postnasal drip should be mentioned in the past medical data. It is because he used to have a respiratory infection of which he has been operated and now he has a visit to seek treatment for mild hearing loss. So, the doctors will perform the treatment only based on the information provided in the medical data. The doctors will be able to know the past medical history of Mr. W before providing any treatment and he will get this information from past medical data.
So, the correct answer is option B.