Which of the following personal protective items must be used by EMS personnel caring for patients in a hazardous materials emergency?

A(n) ________ treats abnormal responses or acquired hypersensitivity to substances with medical methods, including testing and desensitization

a. allergist b. cardiologist c. dermatologist d. anesthesiologist

You have been dispatched to an apartment for an elderly man complaining of shortness of breath. When should you start the process of forming a general impression about this patient?

A) As you and your partner approach him B) After completing the primary assessment C) Following the completion of vital signs D) As soon as you obtain his chief complaint