Hemolytic disease of the newborn may result if Hemolytic disease of the newborn may result if an Rh-negative mother carries A. an Rh-positive fetus. an Rh-positive mother carries B. an Rh-negative fetus. both the father and the mother are Rh negative. C. the mother is Rh positive and the father is Rh negative. D. both the father and the mother are Rh positive.

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