Jackie's ankles are very swollen at night after work. when she went to the doctor about the problem, the doctor requested a urine specimen. why?
a. edema could be a sign of kidney failure. a urine sample might contain protein or urea. b. jackie is probably drinking too much water and the doctor can see this because the urine will be very dilute. c. jackie probably stands all day long and this prevents the urinary system from working correctly. d. edema is a sign of kidney stones and the doctor is looking for small stones in the urine. e. edema could be a sign of an inactive bladder. the doctor wants to see if jackie is capable of urinating.

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

For several reasons you should only use hospital approved hand lotion two of the reasons are because they cause breakdown of latex gloves and can become contaminated with bacteria if dispensers are refilled what is another reason

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