multiple gestations PRACTICE QUIZ

conjoined twins that are attached at the abdomen are referred to as: a. omphalopagus b. thoracopagus c. ileopagus d. craniopagus

a

identical twins result from a. monozygotic twinning b. dizygotic twinning c. heterotopic pregnancies d. monochorinoic pregnancies

a

the most common form of monozygotic twins is: a. monochorionic diamniotic b. dichorionic monoamniotic c. monochorionic monoamniotic d. none of the above

a

the shunting of blood from one twin to the other is termed: a. TTTS b. twin embolization syndrome c. twin peak sign d. conjoined twins

a

the term that indicates the presence of two separate placentas is: a. dichorionic b. bichorionic c. monoamniotic d. diamniotic

a

twins that have the threat of being conjoined are a. monochorionic nonoamniotic b. monochorionic diamniotic c. dizygotic d. dichorionic diamniotic

a

which of the following would not increase the likelihood of multiple gestations a. gestational diabetes b. maternal age of > 40 years c. maternal history of twins d. ART

a

which term relates the number of placenta a. chorionicity b. zygocity c. amnioncity d. cleavage

a

asymmetry in fetal weight between twins is indicative of: a. discordant growth b. preeclampsia c. dichorionic diamniotic twinning d. intrauterine infections

a

monozygotic twins result from: a. a single zygote that splits b. two zygotes that are fertilized by the same sperm c. two morulla d. a single zygote that is fertilized by two sperm

a

the demise of a twin can lead to the development of neurologic complications in the living twin as a result of a. twin embolization syndrome b. TTTS c. trap syndrome d. dichorionicity

a

fraternal twins result from a. monozygotic twinning b. dizygotic twinning c. heterotopic pregnancies d. monochorionoic pregnancies

b

the abnormal twin in acardiac twinning is also referred to as the: a. pump twin b. parasitic twin c. stuck twin d. vanishing twin

b

the demise of a twin during the second or third trimester can lead to: a. TTTS b. twin embolization syndrome c. twin peak sign d. acardiac twinning

b

the outer membrane of the gestation is referred to as the: a. placenta b. chorion c. amnion d. yolk sac

b

the twin that will appear larger in TTS is the: a. donor b. recipient c. both will be the same d. both will be demised

b

twins that result from the fertilization of two separate ova are called: a. diamniotic b. dizygotic c. monozygotic d. monochorionic

b

twins who bodies are connected at some point are said to be: a. fraternal b. conjoined c. identical d. stuck

b

what condition is pregnancy-induced maternal high blood pressures and excess protein in the urine after 20 weeks' gestation? a. gestational diabetes b. preeclampsia c. proencephaly d. maternal mirror syndrome

b

what is a treatment that separates abnormal placental vascular connections between twins that are suffering from TTTS? a. cleavage-laser resection treatment b. endoscopic-guided laser photocoagulation c. endemic translocation of placental vessels d. Circumvallate resection of shared placental vasculature

b

which of the following woulf a newborn most likely suffer from if he or she were born prior to 32 weeks as a result of multiple gestation complications? a. ascites b. pulmonary hypoplasia c. amnionitis d. preeclampsia

b

acardiac twinning results from: a. poor maternal nutrition b. dizygotic gestations c. abnormal links between the placental vessels d. twin embolization syndrome

c

factors that increase the likelihood of having multiple gestations include all of the following except: a. advanced maternal age b. ovulation induction drugs c. poor nutritional state d. maternal predisposition for twins

c

ovulation induction drugs not only increase the likelihood of multiple gestations, but also increase the likelihood of: a. maternal diabetes b. ovarian proplapse c. heterotopic pregnancies d. choriocarcinoma

c

the sonographic examination of twins reveals a triangular extension of the placenta at the base of the membrane. This finding is indicative of: a. monochorionic monoamniotic twins b. monochorionic diamniotic twins c. dichorionic diamniotic twins d. monochorionic diamniotic twins

c

twins having two placentas and two amniotic sacs are referred to as: a. monochorionic diamniotic b. biamniotic dichorionic c. dichorionic diamniotic d. dichorionic biamniotic

c

Twins having one placenta and one amniotic sac are referred to as: a. dichorionic monoamniotic b. dichorionic diamniotic c. monochorionic diamniotic d. monochorionic monamniotic

d

Which form of monozygotic twinning is least common? a. monochorionic diamniotic b. monochorionic monoamniotic c. dichorionic diamniotic d. dichorionic biamniotic

b

all of the following complications are associated with multiple gestations except: a. preterm delivery b. high birth weight c. maternal anemia d. maternal preeclampsia

b

what is the term for conjoined twins attached at the sacral region a. sacralpagus b. omphalopagus c. pyopagus d. thoracopagus

c

which of the following can occur as a result of dizygotic twinning? a. monochorinoic diamniotic twins b. monochorinoic monoamniotic twins c. dichorionic diamniotic twins d. all of the above

c

which term relates the number of amniotic sacs a. chorionicity b. placentation c. amnionicity d. embryology

c

Twins having two placentas and one amniotic sac are referred to as: a. monochorionic diamniotic b. monoamniotic dichorionic c. dichorionic monoamniotic d. this does not occur

d

Which if the following is not sonographic sign of a dichorionic diamniotic gestation a. twin peak sign b. lambda sign c. delta sign d. T sign

d

the term that indicates the presence of two separate amniotic sacs is: a. dichorionic b. bichorionic c. monoamniotic d. diamniotic

d

typically, the first sonographic manifestation of TTTS is: a. oligohydramnios b. polyhydramnios c. dichorionic twinning d. discordant fetal growth

d

what is it called when a twin fetus, suffering from TTTS, experience severe oligohydramnios and becomes closely adhered to the uterine wall a. acardiac monster b. vanishing twin c. acardiac twin d. stuck twin

d

TRAP syndrome may also be referred to as: a. TTRS b. vanishing twin syndrome c. twin embolization syndrome d. acardiac twinning

d

which of the following can occur as a result of monozygotic twinning a. monochorionic diamniotic twins b. monochroionic monoamniotic twins c. dichorionic diamniotic twins d. all of the above

d

the inner membrane surrounding the fetus is referred to as the: a. placenta b. chorion c. amnion d. yolk sac

c