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Doctors diagnose and treat illnesses and conditions. Nurses cannot diagnose, and can only treat patients under the orders of physicians.
The same thing nurses do everywhere else in the world, they assist physicians.
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Nurses frequently assist in answering questions, but physicians should obtain consent personally from their patients.
yes
depends on the urgency of the situation
physicians orders
They can and do if the physicians prescription calls for it.They can and do if the physicians prescription calls for it.They can and do if the physicians prescription calls for it.They can and do if the physicians prescription calls for it.They can and do if the physicians prescription calls for it.They can and do if the physicians prescription calls for it.
There are numerous telemedicine companies that offer nurses on call. One company is called, CallMDPlus. This organization provides both on call nurses, as well as certified physicians.
Emergency department physicians
Pulmonologists are physicians who specialize in evaluating and treating the lungs. Respiratory therapists carry out the orders of physicians to provide respiratory treatments. They are also involved in ICU care when a patient is on a ventilator. Nurses teach all aspects of lung health and about lung diseases and medications, treatments, self-help or home therapies, etc.
The basic role of nurses is to provide back up for the doctor. While a nurse can not write orders or prescriptions, he/she is responsible for double checking the doctors orders. He/she is also responsible for assessment and providing instructions on taking medications to the patients.