I'm not 100% sure the question, but regardless.
Using them effectively is going to prevent a shortage. Overall using them effectively will ensure proper care and treatment for patients/residents.
Say, for example, there was a patient as follows:
Madison is a 6 year old patient going in for a tonsillectomy. A pretty standard operation. As Madison is going into surgery and will be intubated she is ordered nothing by mouth the day of. Therefore Madison is unlikely going to get proper hydration before the operation. She will likely get preoperative IV fluids, such as saline. This will provide hydration, yet not by mouth as to not cause issues during intubation. By using this health resource (the saline IV) effectively, Madison won't need anything by mouth, and lessens the chance of an issue (think aspiration during intubation) therefore avoiding the need for further medical intervention and therefore not using more resources that could have been avoided.
Although, if the question is asking about health resources such as referrals, literature, etc then using these effectively is important to help a patient find a specialist or provide more information on an illness or procedure.
Say Karen, a 50 year old patient, is experiencing symptoms such as weight gain, lethargy, and constipation. She discusses these issues with her primary care physician who orders some lab work for her. Her primary care physician notices issues with her TSH results. Karen likely has an underactive thyroid and her primary care physician may give her resources to help her find an endocrinologist (a specialist) to better look over her lab results and treat her condition.
