Regarding the development of the respiratory system, maternity nurses should be aware that:
A) The respiratory system does not begin developing until after the embryonic stage.
B) The infant's lungs are considered mature when the lecithin/sphingomyelin (L/S) ratio is 1:1, at about 32 weeks.
C) Maternal hypertension can reduce maternal-placental blood flow, accelerating lung maturity.
D) Fetal respiratory movements are not visible on ultrasound scans until at least 16 weeks.

Question

Quizplus · Accepted Answer

Maternal hypertension can lead to reduced blood flow to the placenta, which can cause stress that accelerates fetal lung maturity.

Regarding the Development of the Respiratory System, Maternity Nurses Should