Your friend has been exercising vigorously in hot weather and begins to have very painful cramps in his thighs and calves, what should you know about this condition? a. these are heat cramps and are a warning sign of a heat emergency; give first aid care and call 911 if the condition worsens. b. this is a common problem; it is okay to continue the workout as soon as the cramp has stopped. c. your friend has torn his hamstring; call 911. d. none of the above.

To avoid whiplash, the center of the headrest must be your ears.

Which of the following is considered unstructured data entry? a. drop down menu selection. b. entering free text in a data field. c. selection of check boxes. d. specialized note template.

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