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1. Which of the following is the maternal portion of the placenta?
A
Decidua basalis
B
Deciduas frondosum
C
2. Which of the following is the fetal portion of the placenta?
A
Decidua basalis
B
Decidua frondosum
C
3. Which of the following is the major functioning unit of the placenta?
A
Chorionic plate
B
Chorionic villus
C
Chorionic frondosum
4. Which of the following is NOT a function of the placenta?
A
Respiration
B
Immune rejection
C
Protection
5. Oxygenated maternal blood is brought to the placenta through
A
Uterine arteries
B
Spiral arteries
C
Placental arteries
6. Poor maternal environments can lead to:
A
Placental compensation
B
Placental insufficiency
C
A & C
7. Most umbilical cord insertions are located:
A
Maternal surface 5cm from margin
B
Fetal surface 3cm from margin
C
Fetal surface 5cm from margin
8. Which of the following abnormal insertions is located with in 2cm of the placental margin?
A
Velmatous
B
Marginal
C
Previa
9. Which of the follow occurs when the cord inserts into fetal membranes
A
Velamentous
B
Marginal
C
Previa
10. How early can the placenta be seen?
A
5 weeks
B
8 weeks
C
10 weeks
11. Placental lakes can begin to appear
A
After 10 weeks
B
After 20 weeks
C
After 30 weeks
12. Normal placenta thickness rarely exceeds
A
3cm
B
4cm
C
5cm
13. The echogenic fetal surface is also called the
A
basal plate
B
chorionic plate
C
14. The hypoechoic maternal surface is also called the
A
basal plate
B
chorionic plate
C
15. Normal placental doppler flow in the second trimester:
A
High resistance
B
Low resistance
C
16. What grade is given to a placenta with occasional calcifications and slight contouring of the chorionic surface?
A
Grade 0
B
Grade 1
C
Grade 2
17. What grade is given to a placenta with significant basal plate calcifications?
A
Grade 1
B
Grade 2
C
Grade 3
18. A placenta that weighs more than 600 grams and measures greater than 4cmm in AP is called:
A
Placentomegaly
B
Hyperplacenta
C
19. Implantation of the placenta over the internal cervical os:
A
Invasive placenta
B
Marginal placenta
C
Placenta previa
20. Abnormal penetration of placental tissue attaching to myometrium instead of the deciduas
A
Placenta previa
B
Placentamegaly
C
Invasive placenta
21. Chorionic villi attach to the myometrium superficially without muscular invasion
A
Placenta increta
B
Placenta accreta
C
Placenta percreta
22. Accessory placental lobe connected to the body of the placenta by placental vessels
A
Succenturiate placenta
B
Invasive placenta
C
Placenta previa
23. Attachment of the placental membranes to the fetal surface of the placenta rather than the underlying villous placental margin
A
Succenturiate placenta
B
Circumvallate/circummargiante placenta
C
Placental hemorrhage
24. Premature placental detachment at any part of the placenta after 20 weeks gestation
A
Placental abruption
B
Circummargiante placenta
C
Invasive placenta
25. Which placental abruption causes more bleeding?
A
Retoplacental
B
Marginal
C