For clinical purposes, the most accurate definition of preterm and post-term infants is defined as what?
Preterm: Before 38 to 40 weeks of gestation if the infant is SGA post-term, beyond 40 to 42 weeks gestation if the infant is LGA
Preterm: Before 37 weeks of gestation and post-term beyond 42 weeks of gestation; no matter the size for gestational age at birth
Postterm: After 40 weeks of gestation if the infant is large for gestational age (LGA): beyond 42 weeks if the infant is AGA
Preterm: Before 34 weeks of gestation if the infant is appropriate for gestational age (AGA); before 57 weeks if the infant is small for gestational age (SCA)
The Correct Answer is B
The most accurate definition of preterm and post-term infants is based on gestational age at birth. Preterm infants are those born before 37 completed weeks of gestation, and post-term infants are those born after 42 completed weeks of gestation, regardless of their size for gestational age at birth.
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One of the most important outcomes of environmental health interventions is increased life expectancy for the community. By reducing exposure to environmental hazards, such as air pollution, water pollution, and toxic chemicals, we can decrease the incidence of environmentally related diseases, such as respiratory disease, cancer, and neurological disorders. This, in turn, can increase life expectancy and improve the overall health of the community.
Correct Answer is A
Explanation
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