With Regard to the Turns and Other Adjustments of the Fetus

With regard to the turns and other adjustments of the fetus during the birth process,known as the mechanism of labour,nurses should be aware of which of the following?

A) The seven critical movements must progress in a more or less orderly sequence.
B) Asynclitism sometimes is achieved by means of the Leopold manoeuvre.
C) The effects of the forces determining descent are modified by the shape of the woman's pelvis and the size of the fetal head.
D) At birth the baby is said to achieve "restitution" ( i.e., a return to the C-shape of the womb ) .