Schools annually assess the vision and hearing of its students in addition to assessing the physical growth of children by measuring the height and weight. Should schools also be calculating body mass index (BMI) and sending notices home if the child's BMI is high?

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