7. All colleges of veterinary medicine require _________ of numerous science courses, complete with labs. (A) completion (B) indication (C) operation (D) conduction

4. The flea’s bite can cause itching for the host but for a sensitive or flea-allergic animals, this itching can be quite severe and leads to hair-loss, inflammation and secondary skin _______. (A) reflections (B) infections (C) extensions (D) inflections