The answer is A gross anatomy
Answer:
avoid contact with blood, semen or other body fluids
Explanation:
Sensory motor: (birth to 2yr) babies taking the world on through senses. Looking, touching, hearing, tasting.
Preoperational: (2-6yr) child learns to use language but disentangle comprehend mental operations or concrete logic
Concrete operational: (6-11) gain mental operations that enable them to think logically about concrete events
Formal operational: the ability to think logically about abstract concepts develops
It should be C decrease in prevention and treatment! Hope this helps!