Quiz Ch 23 2nd and 3rd trimester Ob quiz by curry
1. A grade III placenta may have:
a. anechoic areas
b. calcifications
c. indentations in the chorionic plate
d. All of the above
2. Sonographically, muscles usually appear _____________ compared to adjacent structures.
a. hyperechoic
b. hypoechoic
c. echogenic
d. anechoic
3. The umbilical cord has:
a. one vessel
b. two vessels
c. three vessels
d. four vessels
4. The fetal lungs are capable of functioning as early as sometime after _________ weeks, but
the final stage of development does not begin until ____________.
a. 15; late in the second trimester
b. 20; early in the third trimester
c. 25; the final weeks of gestation
d. 35; after birth
5. Anechoic, tubular structures on the uterine surface of the placenta are called:
