The DMARD of first choice in the treatment of rheumatoid arthritis is:

Which of the following physiologic effects is the most immediate result stemming from the desiccation of mucous glands which, in turn, causes an increased viscosity of the mucus, produced by breathing a cool, dry gas via an artificial airway?

A. retained secretions B. hyperthermia C. atelectasis D. refractory hypoxemia

You are called to a residence for a woman in cardiac arrest. As you are initiating CPR, the patient's husband presents you with an unsigned document that states "do not resuscitate". Your most appropriate action in this case should be to

A. stop all resuscitative efforts in accordance with the document. B. stop CPR until the document can be validated by a physician C. continue CPR until you have contacted medical control for guidance D. contact medical control prior to beginning any resuscitation measures.