OBGYN Part B Midterm EXAM QUESTIONS&
ANSWERS 100% VERIFIED.
What types of twins is twin peaks lambda sign? - CORRECT
ANSWERS✅✅Dichorionic/diamniotic
Dizygotic twins arise from ___ ova - CORRECT ANSWERS✅✅Two
Dizygotic twins are __ (Fraternal or identical) - CORRECT ANSWERS✅✅Fraternal
What type of twins are a thin membrane AKA "T-sign" - CORRECT
ANSWERS✅✅MC/DA
Monozygotic twins are ___ (fraternal or identical) - CORRECT
ANSWERS✅✅Identical
Dizygotic twins are always ___chorionic, __amniotic - CORRECT ANSWERS✅✅Di,
di
Monozygotic twins arise from __ ovum - CORRECT ANSWERS✅✅One
Are dizygotic or monozygotic twins hereditary - CORRECT ANSWERS✅✅Dizygotic
MC form of monozygotic twins - CORRECT ANSWERS✅✅MC/DA
Least common, most dangerous form of monozygotic twins - CORRECT
ANSWERS✅✅MC/MA
Division within the first 3 days of conception is what type of twins - CORRECT
ANSWERS✅✅DC/DA
Division within 4-8 days post conception is what type of twins - CORRECT
ANSWERS✅✅MC/DA
Division 8 days post conception is what type of twins - CORRECT
ANSWERS✅✅MC/MA
Incomplete division after 13 days of gestations is what type of twins? - CORRECT
ANSWERS✅✅Conjoined
, Reabsorption of nonviable gestation is called - CORRECT ANSWERS✅✅Vanishing
twin
Abnormal connection of vessels in placenta is called - CORRECT
ANSWERS✅✅Twin to twin transfusion
Best diagnostic clue for twin to twin transfusion is asymmetric __ and ___ - CORRECT
ANSWERS✅✅Fluid distribution and growth
Most common type of conjoined twins - CORRECT ANSWERS✅✅thoracopagus
Bizarre malformation of monozygotic twins in which a severely maformed twin is
maintianed by the normal twin - CORRECT ANSWERS✅✅Acardiac twin
Demise of one twin is __ syndrome - CORRECT ANSWERS✅✅Twin embolization
Fetal surface of placenta is AKA - CORRECT ANSWERS✅✅Chorionic
Maternal surface of placenta is AKA - CORRECT ANSWERS✅✅Basilar
Most common risk factor for placental abruption is - CORRECT
ANSWERS✅✅Cocaine abuse
What is the region of interest to r/o placental abruption - CORRECT
ANSWERS✅✅Retroplacental complex
Painless vaginal bleeding in the 2nd/3rd trimesters is a symptom of - CORRECT
ANSWERS✅✅Placenta previa
Normal placental thickness is __ in A/P dimension - CORRECT ANSWERS✅✅2-
4cm
HPTN, pre-eclampsia means __ baby (small or large)
Polyhydramnios, GD, hydrops means ___ baby (small or large) - CORRECT
ANSWERS✅✅Small
Large
Grade 3 for placental grading should not be visible until __ weeks - CORRECT
ANSWERS✅✅35
Maternal diabetes is associated with ___ maturation of the placenta - CORRECT
ANSWERS✅✅Delayed
ANSWERS 100% VERIFIED.
What types of twins is twin peaks lambda sign? - CORRECT
ANSWERS✅✅Dichorionic/diamniotic
Dizygotic twins arise from ___ ova - CORRECT ANSWERS✅✅Two
Dizygotic twins are __ (Fraternal or identical) - CORRECT ANSWERS✅✅Fraternal
What type of twins are a thin membrane AKA "T-sign" - CORRECT
ANSWERS✅✅MC/DA
Monozygotic twins are ___ (fraternal or identical) - CORRECT
ANSWERS✅✅Identical
Dizygotic twins are always ___chorionic, __amniotic - CORRECT ANSWERS✅✅Di,
di
Monozygotic twins arise from __ ovum - CORRECT ANSWERS✅✅One
Are dizygotic or monozygotic twins hereditary - CORRECT ANSWERS✅✅Dizygotic
MC form of monozygotic twins - CORRECT ANSWERS✅✅MC/DA
Least common, most dangerous form of monozygotic twins - CORRECT
ANSWERS✅✅MC/MA
Division within the first 3 days of conception is what type of twins - CORRECT
ANSWERS✅✅DC/DA
Division within 4-8 days post conception is what type of twins - CORRECT
ANSWERS✅✅MC/DA
Division 8 days post conception is what type of twins - CORRECT
ANSWERS✅✅MC/MA
Incomplete division after 13 days of gestations is what type of twins? - CORRECT
ANSWERS✅✅Conjoined
, Reabsorption of nonviable gestation is called - CORRECT ANSWERS✅✅Vanishing
twin
Abnormal connection of vessels in placenta is called - CORRECT
ANSWERS✅✅Twin to twin transfusion
Best diagnostic clue for twin to twin transfusion is asymmetric __ and ___ - CORRECT
ANSWERS✅✅Fluid distribution and growth
Most common type of conjoined twins - CORRECT ANSWERS✅✅thoracopagus
Bizarre malformation of monozygotic twins in which a severely maformed twin is
maintianed by the normal twin - CORRECT ANSWERS✅✅Acardiac twin
Demise of one twin is __ syndrome - CORRECT ANSWERS✅✅Twin embolization
Fetal surface of placenta is AKA - CORRECT ANSWERS✅✅Chorionic
Maternal surface of placenta is AKA - CORRECT ANSWERS✅✅Basilar
Most common risk factor for placental abruption is - CORRECT
ANSWERS✅✅Cocaine abuse
What is the region of interest to r/o placental abruption - CORRECT
ANSWERS✅✅Retroplacental complex
Painless vaginal bleeding in the 2nd/3rd trimesters is a symptom of - CORRECT
ANSWERS✅✅Placenta previa
Normal placental thickness is __ in A/P dimension - CORRECT ANSWERS✅✅2-
4cm
HPTN, pre-eclampsia means __ baby (small or large)
Polyhydramnios, GD, hydrops means ___ baby (small or large) - CORRECT
ANSWERS✅✅Small
Large
Grade 3 for placental grading should not be visible until __ weeks - CORRECT
ANSWERS✅✅35
Maternal diabetes is associated with ___ maturation of the placenta - CORRECT
ANSWERS✅✅Delayed
