Difference between revisions of "Template:BGDA Practical 14 - Abnormalities Interactive"

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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
+
+   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! 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 cases.
+
|| 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
+
-   placenta percreta
|| Incorrect! About 5% of cases with placental villi penetrate myometrium and through to uterine serosa.
+
|| 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}}.

Latest revision as of 08:49, 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.

1

Which of the following is the most common form of placental abnormality:

  placenta accreta
  placenta increta
  placenta percreta
  vasa previa

2

Which of the following is the best description of a complete mole:

  three sets of chromosomes instead of the usual two
  chromosomal genetic material from the oocyte is lost, by an unknown process
  triploidy of the genetic material
  excess proliferation of the maternal decidua

3

The condition "twin–twin transfusion syndrome" results from:

  an unbalanced blood flow from one twin to the other in utero
  a balanced blood flow from one twin to the other in utero
  direct connection of placental vein with placental artery
  direct connection of placental arteries with placental vein
  none of the above

4

Which of the following organisms can cross the "placental barrier"?

  cytomegalovirus
  rubella
  measles
  malaria
  listeria


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Practical 14: Implantation and Early Placentation | Villi Development | Maternal Decidua | Cord Development | Placental Functions | Diagnostic Techniques | Abnormalities

Additional Information: placenta abnormalities | ectopic pregnancy | hydatidiform mole