I think the top three statements are the answer.
the answer is moon. the name tells you what you can't see. since in a solar eclipse you can't see the sun that means that the moon is in between us on earth and the sun. which is why we can't see it
A nurse suspects that the IV line through which Doxorubicin (adriamycin) is infusing has infiltrated. The nurse has discontinued the IV site.
The nurse should IMMEDIATELY APPLY ICE PACK TO THAT AREA. Ice pack helps to reduce the absorption of the drug doxorubicin and thus minimize the its effect.