The first breath of the neonate is initiated by the
A) passage through the birth canal.
B) removal of amniotic fluid from its mouth.
C) accumulation of carbon dioxide in the blood.
D) detection of light by its visual receptors.
E) increase in oxygen concentration in the lungs.

Question

Quizplus · Accepted Answer

The first breath of a neonate is primarily initiated by the accumulation of carbon dioxide in the blood. This build-up of CO2 leads to a decrease in blood pH, stimulating the respiratory center in the brain to initiate breathing.

The First Breath of the Neonate Is Initiated by the