_______________ x-rays have some advantages. They take less time and expose the patient to from 60 to 90 percent less radiation

If the umbilical cord is seen in the vagina (prolapsed cord), you should:

a. insert a gloved hand to gently push the fetus back up the birth canal. b. immediately clamp and cut the cord. c. place the mother in the knee–chest position. d. encourage the mother to continue to push to speed up the delivery.

An SMV cranial projection (Schueller method) with poor positioning demonstrates the mandibu-lar mentum posterior to the ethmoid sinuses. How could the positioning setup be adjusted for an optimal projection to be obtained?

1. Tilt the patient's head toward the left side. 2. Angle the central ray cephalically. 3. Increase neck extension. 4. Align the IOML parallel with the IR. a. 1 only b. 2 and 4 only c. 3 and 4 only d. 2, 3, and 4 only