ch 34 test Flashcards
What causes the amemia seen with sickle cell disease?
premature rupture of red blood cells
Which maternal bacterial infection raises the risk of fetal hydrops?
syphilis
When does Rh isoimmunization occur?
At birth
Immune fetal hydrops includes which of the following fetal findings?
Pericardial fluid
Which placental problem coexists with maternal preeclampsia?
Infarcts
Which of the following indicates the onset of eclampsia?
seizures
Which of the following is the most common maternal disorder?
Diabetes mellitus
A Rh-negative mother and a Rh-positive fetus can result in which of the following?
fetal hydrops
PROM, toxemia, IUGR, sickle cell disease and diabetes mellitus result in a ________ indicating increased vascular resistance.
high S/D ratio
A maternal infection occurring before conception:
May adversely affect the fetus
Maternal infections passed to the fetus are usually via the:
genital tract and circulatory system
A rare viral infection that is linked to stillbirth, low infant birth weight, congenital heart anomalies and microphthalmia is:
EBV
Choose a bacterial infection that is seen during pregnancy and known to cause fetal prematurity, prolonged rupture of fetal membranes, sepsis and IUGR
Ghonorrhea
A maternal infectious disease that promotes placental insufficiency, causing IUGR, low birth weight, abortion and stillbirth is:
Maternal malaria
The fetal barrier that usually protects fetuses from toxoplasmosis is most effective:
during early pregnancy
Fetal malformations occurring in the first trimester which consist of cataracts, cardiac defects, and deafness are caused by:
3 day measels
A glucose tolerance test:
is usually performed between 24 and 18 weeks
Isoimmunized pregnancies can result in all except:
rh factor
Select the maternal disease that is least likely to affect a fetus’s heart.
thalassemia
The C in TORCH stands for __
cytomegalovirus
Maternal hypertension _________________ uteroplacental blood flow
decreases
_____ of pregnancy is a third trimester disease characterized by maternal edema, hypertension, proteinuria and central nervous system irritability.
toxemia
Maternal malaria promotes placental _______________________ causing IUGR, low birth weight, aortion adn stillbirth.
insufficiency
Fetal _____________, a diagnostic test, helps detect heart abnormalities in patients exposed to CMV and rubella.
echocardiography
Cesarean section delivery is indicated in the event of ________________ virus in the maternal genital tract.
herpes simplex
Congenital malformation seen with diabetes are related to high blood sugar levels resulting in disruption of embryonic ___________________
organogenesis
Rh isoimmunization refers to the developement of maternal _______________ to the surface antigens on fetal red blood cells
antibodies
Rigid irregularily shaped blood cells that occur mostly in African Americans in the United States is a cause of _
sickle cell disease
Ingestion of raw meat, contaminated water, and contact with feline feces is advised against for the obstetrical patient owing to the risk of acquiring_____
toxoplasmosis
Mosquito-borne single-stranded RNA virus related to the dengue virus is _
zika virus
Parasitic infection transmitted to humans from undercooked meat or contact with cat feces is___
toxoplasmosis
Contagious viral disease that is a milder form of measles lasting 3 or 4 days is __
rubella
Any of a group of herpes viruses that enlarge epithelial cells and can cause birth defects; can affect humans with impaired immunologic systems is___
cytomegalovirus
A condition in which women without previously diagnosed diabetes exhibit high blood glucose levels during pregnancy is known as___________________ diabetes
gestational
The development of immunities to Rh-positve blood antigens from a fetus by an Rh negative woman is called _______
rh insufficiency
Inherited form of anemia caused by faulty synthesis of hemoglobin is __
thalassemias
Estimated fetal weight < 10th percentile for the gestational age is known as __
Fetal growth restriction
Of the patients diagnosed with preeclampsia, 2% to 12% are affected by the ____________________ syndrome.
HELLP
Hyperthyroidism produces throxine that causes a significant increase of __________________ birth weight infants
low
