Respiratory distress syndrome (RDS) primarily affects infants who are:
a. preterm with insufficient surfactant.
b. full-term.
c. postterm with too much surfactant.
d. preterm with too much surfactant.
A
RDS is found in preterm neonates with insufficient surfactant. Surfactant is produced by the alveolar type II cells in the lungs of a full-term (or near-term) neonate.
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