【单选题】The newborn was 34 weeks' gestation. The birth weight is 2800g. the fetal heart is slow, the fetal movement is reduced, Ihe whole body color is blue at the time of birth.The tension of the four limbs ...
A.
maintain normal circulation to ensure adequate cardiac output
B.
give naloxone(纳若酮)
C.
create breathing, increase ventilation
D.
try to suck away the mucus of the respiratory tract and keep the airway unobstructed
【简答题】A group of particles is described by the log-normal distribution by weight, asshown in Fig.2, please calculate D mean =______, and logarithmic standdeviations σ g =______.