A call comes into the station at 0400 hours. The dispatcher sends your engine crew to a shelter for homeless people for an "ill person". When you enter the shelter, an attendant says, "Hank just came in last night. He lost his job and then his room. He tells us that he can't shake this cough, that it's been troubling him for some time. He's awfully thin, which is to be expected from living on the streets. I found him in the bathroom, on the floor, coughing up blood. I got him back to bed, but I'm worried about him. He's only 21. Could you take a look at him?"

What steps should you take before examining this patient? Why? You believe that you were exposed to this patient's body fluids during the physical exam. After you transfer care of the patient to the EMS ambulance crew, what steps should you take?

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv

Having health insurance means that a family cannot go bankrupt due to medical expenses. true or false?

Zoom out so that you can see the whole state of california. select the ruler tool again, but change the type of measurement from line to path. create a path from san francisco to las vegas, to los angeles, to san diego. what is the total length of this path in kilometers and in meters?