I belive the answers are:
A, C, and D
Please tell me if Im wrong (I maybe)
Ibuprofen should help and lots of water.
Answer: He might have some type of eye disease
Answer: Nick's father was tested for his blood type to determine his blood group and even to see if he is Rh-positive or Rh-negative.
Explanation: Unless he is a universal donor (someone with O+ blood), Nick's father won't be able to give his blood to anyone without knowing his blood type first. Giving someone the wrong blood type can be harmful to the receiver's immune system.