What causes fetal distress?( ) A: bleeding B: lack of oxygen delivered to baby C: high blood pressure D: breech position

Incidence of cord prolapse is least in: () A: Frank breech B: Footling presentation C: Transverse lie D: Brow presentation E: Shoulder presentation

Head first presentation, which is also called ______ presentation, is the most commonly optimal presentation for easy delivery.( ) A: cardinal B: ischial C: breech D: cephalic