In this case, the antibiotic drug given to the patient without infection that has increased risk of infection because of decreased spleen function. This action is called prophylaxis antibiotic.
Drug of choice for sickle cell disease prophylaxis is penicillin.
I think the correct one is B
The factor that is having a negative influence on her health is the environment. The correct answer is D, environment.
Weight loss, healthier organs, you'll feel better, you get a lot of nutrients as opposed to fast food