Final answer:
A consultant pharmacist's hours can vary, but all pharmacists require extensive education—a doctorate in pharmacy—and they apply their knowledge in chemistry and biology to advise on and dispense medications.
Step-by-step explanation:
The amount of time a consultant pharmacist must devote to pharmaceutical services can vary based on the setting in which they are employed and the specific requirements of their role. However, becoming a pharmacist in the United States requires a significant commitment to education and training. Aspiring pharmacists must complete a doctorate in pharmacy, typically a four-year degree program following undergraduate studies. This education equips pharmacists with extensive knowledge in chemistry and biology, enabling them to understand drug effects on the body, advise on drug selection, dosage, interactions, and side effects, and educate patients on proper medication use.