RNC-OB Exam with Questions and Verified Solutions

RNC-OB Exam with Questions and Verified Solutions The three classic signs of placental separation after delivery are a. uterus falls, blood gushes, and cord lengthens b. uterus rises, blood gushes, and cord lengthens c. uterus rises, blood gushes, and cord shortens ANSWER B Extrusion of the placenta usually occurs within 30 minutes of delivery. Slight tension is usually placed on the cord during delivery of the placenta, but excessive tension may result in tearing of the cord or inversion of the uterus and must be avoided. The placenta should be carefully examined after delivery to determine if it is complete as placental fragments increase risk of maternal hemorrhage. For a multipara, protracted labor is diagnosed when descent of the presenting part is less than a. 1 cm per hour b. 2 cm per hour c. 3 cm per hour ANSWER B For nullipara, protracted labor is less than 1 cm per hour. Other abnormal labor patterns include prolonged latent phase when there is no progress from the latent to the active phase after more than 20 hours for multiparas and more than 14 hours for nulliparas and arrest disorders, including secondary arrest of dilation and arrest of descent. In a neonate with poor ventilation, the blood gas findings that indicate respiratory acidosis are a. decreased pH, increased base (pHCO3), and pCO2 and pO2 within normal limits b. increased pH, decreased pCO2, increased pO2, and base within normal limits c. decreased pH, increased pCO2, and pO2 and base within normal limits ANSWER C ....decreased pH ( 7.25), increased pCO2 ( 40 mmHg) and pO2 and base (pHCO3) within normal limits.