Police know the exact distance that it takes a car to stop at 80, 100, and 120 miles per hour. however at a crash scene, the police find skid marks longer than those left at any known speed. they use a graph to predict the car's speed as approximately 137 miles per hour. predicting a value or quantity beyond a known data range, based on a trend in the data, is

Preventive health behaviors rarely have much influence on health as most diseases are genetic. a. true b. false

Two nursing assistants are in line to wash their hands at a hospital after leaving a patient in an isolation room. the first na washes her hands and then uses her hands to turn off the faucet before drying them with a paper towel. the second na turns on the water with her hands and then proceeds to wash and dry her hands with a paper towel. which statement best describes errors demonstrated by the nursing assistants? the first na did not ensure a clean hand-washing environment, and the second na did not properly turn off the water the first na did not properly turn off the water, and the second na did not ensure a clean hand-washing environment. the first na did not properly turn off the water, and the second na did not properly use paper towels. the first na did not properly use paper towels, and the second na did not ensure a clean hand-washing environment.

You need to determine if a pure culture of bacteria is gram-positive or gram-negative, but you've just spilled your only solution of crystal violet so you can't do a gram stain. you decide to try a lysozyme treatment on a sample of each culture and then examine the samples under the microscope. the expected result is