A patient who sustained injuries in a car crash is in a hospital ICU. What actions might put this patient
at risk for a nosocomial infection?
physical injuries from the car crash
placement of a central line
surgical incisions
hand washing by the nurses

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

Being prepared to play is an important step in staying safe when participating in a game. select the best answer from the choices provided. t f

The effects of tobacco use on society include high taxes and loss of life. select the best answer from the choices provided. t f