If an rh- mother becomes pregnant, when can erythroblastosis fetalis not possibly occur in the child?
a. if the child is rh+
b. if the father is rh+
c. if the child is rh-
d. it will occur no matter what

Name three bad things that can happen to a teenager who has no refusal skills and no self-control:

Asoccer mom is driving her 75 year old grandmother and her 9 year old daughter home after the game. the grandmother and daughter were both in the back seat and both were wearing their seat belts. a car ran a red light in front of them, causing them to t-bone that car on the passenger side. fortunately there were no serious injuries, but the grandmother did sustain several rib fractures. the mother, daughter and driver of the at-fault car were shaken up but unhurt. what are some possible reasons that the grandmother sustained rib fractures while the other victims did not?

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?