Which situation always warrants calling 911 when someone is injured? a. a bone could be broken. b. the hospital is more than 10 miles away. c. you are alone with the injured person. d. you are not sure whether the condition is serious.

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu