Template:BGDA Practical 14 - Abnormalities Interactive: Difference between revisions
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{Which of the following is the most common form of placental abnormality: | {Which of the following is the most common form of placental abnormality: | ||
|type="()"} | |type="()"} | ||
+ placenta accreta | |||
|| Correct! About 75-78% of cases with an abnormal adherence, with absence of decidua basalis. The incidence of placenta accreta also significantly increases in women with previous cesarean section compared to those without a prior surgical delivery. | || Correct! About 75-78% of cases with an abnormal adherence, with absence of decidua basalis. The incidence of {{placenta accreta}} also significantly increases in women with previous cesarean section compared to those without a prior surgical delivery. | ||
- placenta increta | - placenta increta | ||
|| Incorrect! | || Incorrect! {{placenta increta}} represent about 17% of cases when the placenta attaches deep into the uterine wall and penetrates into the uterine muscle, but does not penetrate the uterine serosa. Placenta increta accounts for approximately 15-17% of all placental abnormality cases. | ||
- placenta percreta | |||
|| Incorrect! | || Incorrect! {{placenta percreta}} represent about 5% of placental abnormality cases with placental villi penetrate myometrium and through to uterine serosa. | ||
- vasa previa | - vasa previa | ||
|| Incorrect! {{Vasa previa}} (vasa praevia) placental abnormality where the fetal vessels lie within the membranes close to or crossing the inner cervical os (opening) and generally diagnosed (98%) by {{ultrasound}}. | || Incorrect! {{Vasa previa}} (vasa praevia) placental abnormality where the fetal vessels lie within the membranes close to or crossing the inner cervical os (opening) and generally diagnosed (98%) by {{ultrasound}}. | ||
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- excess proliferation of the maternal decidua | - excess proliferation of the maternal decidua | ||
|| Incorrect! | || Incorrect! | ||
{The condition "twin–twin transfusion syndrome" results from: | |||
|type="()"} | |||
+ an unbalanced blood flow from one twin to the other in utero | |||
|| Correct! {{twin–twin transfusion syndrome}} (TTTS) can occur in both monochorionic and diamniotic twins that results from an unbalanced blood flow from one to the other in utero. Monozygotic twin pregnancies carry a 10-20% risk of twin-twin transfusion syndrome. | |||
- a balanced blood flow from one twin to the other in utero | |||
|| Incorrect! {{twin–twin transfusion syndrome}} (TTTS) can occur in both monochorionic and diamniotic twins that results from an unbalanced blood flow from one to the other in utero. Monozygotic twin pregnancies carry a 10-20% risk of twin-twin transfusion syndrome. | |||
- direct connection of placental vein with placental artery | |||
|| Incorrect! {{twin–twin transfusion syndrome}} (TTTS) can occur in both monochorionic and diamniotic twins that results from an unbalanced blood flow from one to the other in utero. Monozygotic twin pregnancies carry a 10-20% risk of twin-twin transfusion syndrome. | |||
- direct connection of placental arteries with placental vein | |||
|| Incorrect! {{twin–twin transfusion syndrome}} (TTTS) can occur in both monochorionic and diamniotic twins that results from an unbalanced blood flow from one to the other in utero. Monozygotic twin pregnancies carry a 10-20% risk of twin-twin transfusion syndrome. | |||
- none of the above | |||
|| Incorrect! {{twin–twin transfusion syndrome}} (TTTS) can occur in both monochorionic and diamniotic twins that results from an unbalanced blood flow from one to the other in utero. Monozygotic twin pregnancies carry a 10-20% risk of twin-twin transfusion syndrome. | |||
{Which of the following organisms can cross the "placental barrier"? | |||
|type="[]"} | |||
+ cytomegalovirus | |||
|| Correct! More {{cytomegalovirus}} | |||
+ rubella | |||
|| Correct! More {{rubella}} | |||
+ measles | |||
|| Correct! More {{virus}} | |||
+ malaria | |||
|| Correct! More {{malaria}} | |||
+ listeria | |||
|| Correct! More {{listeria}} | |||
Latest revision as of 07:49, 6 June 2019
Placentation Abnormalities Interactive Component
Attempt the Quiz - Placentation Abnormalities | ||
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Here are a few simple Quiz questions that relate to Placentation Abnormalities from the practical.
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