Step-by-step explanation:
a. Inadequate communication among medical care providers is an important contribution to polypharmacy in older adults. Polypharmacy is the use of multiple medications by an individual, and it can increase the risk of adverse drug events, drug interactions, and other health problems. Inadequate communication among medical care providers, such as failure to share information about medications prescribed by different providers, can lead to unintentional polypharmacy.