Final answer:
Only physicians are primarily responsible for adjusting medication dosages based on a patient's health conditions like compromised liver function, although in some cases, pharmacists with additional authorization may also have prescriptive authority.
Step-by-step explanation:
The individual who can engage in adjusting the dosage of a new prescription to correspond to a patient's compromised liver function is most commonly d) Only physicians. Physicians are the primary professionals responsible for managing and adjusting medication dosages based on a patient's specific health conditions, including impaired liver function. Although pharmacists, particularly those with additional prescribing authorization, are well-versed in chemistry and biology and can provide valuable advice to physicians and patients on medication use, selection, and potential side effects, actual adjustments to medication regimens usually fall under the jurisdiction of the prescribing physician. Depending on local laws and regulations, some pharmacists with advanced training and certification may also have prescriptive authority to make certain medication adjustments, but typically this is done in collaboration with a physician.