45 workbook 1

Question 1

age of embryo stated as time from day of conception

Answer 1

embryonic age

conception age

Question 2

length of pregnancy difined in the US as number of weeks from first day of last normal menstrual period (LNMP)

Answer 2

gestational age

Question 3

neural tube defect characterized by absence of the brain, including the cerebrum, cerebellum and the basal ganglia

Answer 3

anencephaly

Question 4

one of the several biochemical tests used to assess fetal risk for aneuploidy or fetal defect; a component of the “triple screen”. the normal value of MSAFP, vaires with gestational age and assessment of age is essential for accurate interpretation of results

Answer 4

maternal serum alpha-fetoprotein

MSAFP

Question 5

bleeding from a normally situated placenta as a result of its complete or partial ditachment after the 20th week of gestation

Answer 5

abruptio placentae

Question 6

condition in which the cervix dilates silently during the second trimester;without intervention, the membranes bulge through the cervix and rupture, and the fetus drops out, resulting in premature preterm delivery

Answer 6

incompetent cervix

Question 7

ligatures arond the cervix uteri to treat cervical incompetence during pregnancy

Answer 7

cerclage

Question 8

reduced growth rate or abnormal growth pattern of the fetus, resulting in a small for gestation age fetus

Answer 8

intrauterine growth restriction

IUGR

Question 9

aspiration of aq sample of amnionitic fluid through the mother’s abdomen for diagnostic analysis of fetal genetics, maturity and or disease

Answer 9

amniocentesis

Question 10

exceptionalloy large infant with excessive fat depostion in the subcutaneous tissue; most frequently seen in fetuses of diabetic mothers

Answer 10

macrosomia

Question 11

abnormal conception in which there is partial or complete conversion of the chorionic villi into grapelike vesicles

Answer 11

hydatidiform mole

Question 12

placental implantation encroaches upon the lower uterine segmetn; if the placenta presents first in late pregnancy bleeding is inevitable

Answer 12

placenta previa

Question 13

organ of communication whereby nutrition and products of metablolism are interchanged between the fetal and maternal blood systems; is formed from the chorion frondosum with a maternal decidual contribution

Answer 13

placenta

Question 14

excessive amount of amniotic fluid

Answer 14

polyhydramnios

Question 15

reduced amount of amniotic fluid

Answer 15

oligohydramnios

Question 16

maternal serum biochemical levels in the 2nd trimester of human chrorionic gonadotropin, alpha-fetoprotein, estriol and inhibin A

Answer 16

quad screen

Question 17

fetal syndrome associated with abnormal number of chromosomes

Answer 17

aneuploidy