Ch 34 Flashcards
The ____ plays a role as a barrier in preventing or facilitating the transmission of maternal disease to the fetus
Placenta
Substances and agents that move across the placental barrier harming the developing fetus are _____ , ____, and antibodies
infectious agents, drugs
Maternal hypertension ___ uteroplacental blood flow
decreases
Normally as pregnancy progresses, diastolic flow ___, representing ____ resistance to flow
Increases, reduced
Toxemia of pregnancy is a ___ trimester disease characterized by maternal edema, hypertension, proteinuria, and central nervous system irritability
third
Of the patients diagnosef with preeclampsia, 2% to 12% are affected by the ___ syndrome
HELLP
Patients with UTIS during pregnancy should be treated with ____ and monitored by frequent urine ____
antibiotics, cultures
Maternal malaria promotes placental ___ causing IUGR, low birth weight, abortion and still birth
Insufficiency
Fetal ___ a diagnostic test helps detect heart abnormalities in patients exposed to CMV and rubella
echocardiography
If severe ___ toxoplasmosis infection occurs, the outcome presents as central nervous system anomalies such as ___ and mental retardation
hydrocephalus , microcephaly , seizures, intracranial calcification
Cyanotic heart disease results in premature birth, IUGR, and miscarriages, possibly owing to the lower ___ content in maternal circulation
oxygen
Ingestion of raw meat, contaminated water, and contact with feline feces is advised against for the ob pt owing to the risk of acquiring ____
toxoplasmosis
Rigid irregularity shaped blood cells that occur mostly in african americans in the us is a cause of ____ or ___
sickle cell disease, anemia
Rh isoimmunization refers to the development of maternal ___ to the surface antigents on fetal ___ blood cells
red
Phenylketonuria control is by following a low ____ , low protein ___
phenylalanine , diet
Hyperthyroidism produces thyroxine that causes a significant increase of ___ birth weight infants
low
The preferred predictor of neonatal weight in the third trimester is the _____ measurement
abdominal circumference
Congenital malformations seen with diabetes are related to high blood sugar levels resulting in disruption of embryonic ___
organogenesis
C section delivery is indicated in the event of ____ virus in the maternal genital tract
herpes simplex
If an OB pt is infected with parvovirus B19, us to image anatomy and measurement of the _____ of the middle cerebral artery are noninvasive procedures to diagnose fetal anemia and nonimmune hydrops
peak systolic flow
TORCH
Toxoplasmosis
Other
Rubella
Cytomegalovirus
Herpes
