Are the bumps kinda hard and squishy? If so they could possibly be either fat deposits or tumors. Its always best to get an expert approval so I recommend taking the dog to the vet just to be on the safe side.
It should reduce nausea because hyperemesis is severe vomiting during pregnancy.
Chronic strains are caused by B. Improper lifting.
Answer:
Improve staff morale
Prevent the spread of infection and disease.
B and C I believe
Drunk depressed or talking on phone