Answer:
Infection prevention is a practical, evidence-based approach which prevents patients and health workers from being harmed by avoidable infection and as a result of antimicrobial resistance.
It would not be answer C because a majority of supplements are not approved by the FDA. This does not make them anymore effective. The answer is D.
PTSD in preschool children and learning disabilities; those proposed for reclassification such as pica, feeding disorder of infancy or early childhood, and separation anxiety disorder; those proposed for removal such as Rett disorder; and those proposed to be susumed under other diagnoses such as Asperger disorder and pervasive developmental disorder NOS.
The answer is B) red blood cells. I hope this helps!