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.
Tendency toward a relatively stable equilibrium
Stress is "your body´s way of responding to any kind of demand". It might be cause by good or bad experiences. it might be caused for many reasons: physical reason such as fear, or emotional like family or job. So it could be said that a person height might not influence stress because it has to do with something biological, a human conditions and not an external factor. <span />