Nokea
Choose the meaning that best fits the quoted word. The doctor tried to explain the 'fundamental' difference of the two medications.
Correct Answer: D
Rationale: In this context, 'fundamental' implies a core or essential difference between the two medications. 'Basic' is the most suitable synonym for 'fundamental' here, as it denotes something primary or foundational. The doctor was likely emphasizing a key distinction, which aligns with the meaning of 'basic,' making it the correct choice. 'Appropriate' does not capture the essence of a core difference, 'underlying' suggests something beneath the surface rather than essential, and 'dosage' refers to the quantity of medication rather than a foundational distinction between them.