Final answer:
A pharmacist may not review medication orders in specific urgent situations such as emergency room settings, but typically they play a crucial role in verifying the appropriateness of prescriptions and advising on medication use.
Step-by-step explanation:
The appropriateness of medication orders in a hospital setting is typically reviewed by a pharmacist. However, there are certain situations where this may not occur, such as when medications are dispensed or removed from floor stock or from an automated storage and distribution device, in emergency room settings when the Licensed Independent Practitioner (LIP) orders medications and is present to intervene immediately in case of an Adverse Drug Reaction (ADR), or within the hospital's radiology service where a protocol or policy clearly defines the role of the LIP in terms of timely intervention during a patient emergency. These exceptions are in place to ensure that patient care is not delayed in urgent situations. In all other circumstances, pharmacists play a vital role in the healthcare system by ensuring proper medication use and advising on drug selection, dosages, interactions, and side effects. Their extensive knowledge in chemistry and biology is crucial for understanding the effects of drugs on the human body.