Which of the following phases of human lung development occurs from 17 to 26 weeks of gestation, and is characterized by the formation of a capillary network around airway passages?
D. Canalicular
Regarding postnatal lung growth, by approximately what age do most of the alveoli that will be present in the lungs for life develop?
C. 1.5 years
Which of the following mechanisms appear to explain why oligohydramnios is associated with lung hypoplasia?
I. Abnormal carbohydrate metabolism
II. Mechanical restriction of the chest wall
III. Interference with fetal breathing
IV. Failure to produce fetal lung liquid
B. II, III, and IV only
What is the purpose of the material secreted by the type II pneumocyte?
D. To reduce surface tension
Which the following vascular networks is the major source of fetal lung liquid?
C. Pulmonary circulation
What is the function of Wharton’s jelly inside the umbilical cord?
D. To prevent the vessels inside the cord from kinking
During the third gestational week, which of the following organs is the first to form?
C. Heart
What is the approximate fetal heart rate by the sixth week of gestation?
C. 95 beats/minute
Which of the following anatomic structures constitute fetal shunts?
I. Foramen ovale
II. Sinus venosus
III. Ductus venosus
IV. Ductus arteriosus
D. III and IV only
Which of the following events causes cessation of right-to-left shunt through the foramen ovale?
C. Increased systemic vascular resistance
Which of the following events or conditions is the most important risk factor for preterm birth?
C. Prior preterm delivery
What is generally accepted as a safe limit for alcohol consumption during pregnancy to avoid the development of fetal alcohol syndrome?
A. One to two 8-ounce drinks per day are considered acceptable.
B. Four to five 8-ounce drinks per week are considered safe.
C Three to four 12-ounce drinks per week are considered reasonable.
D. No safe range of alcohol consumption is deemed safe during pregnancy.
D. No safe range of alcohol consumption is deemed safe during pregnancy.
What is the average birth weight difference between infants born of mothers who smoke and those of nonsmoking mothers?
D. Infants born of mothers who smoke tend to be about 200 g lighter than infants born of mothers who do not smoke.
Which of the following conditions are associated with preeclampsia?
I. Multiparity
II. Proteinuria
III. Generalized edema
IV. Hypertension
B. II, III, and IV only
Which of the following maternal and/or fetal conditions are associated with pregestational diabetes?
I. Hydrops fetalis
II. Ketoacidosis
III. Preeclampsia
IV. Fetal death
D. II, III, and IV only
Which of the following drugs is recommended to treat a group B Streptococcus infection for a patient who is allergic to penicillin?
A Vancomycin
B. Clindamycin
C. Ampicillin
D. Ketoconazole
B. Clindamycin
What is the main potential problem associated with the premature rupture of membranes?
A. Fetal infection
Which of the following maternal or fetal conditions can be determined or assessed via
amniocentesis?
I. Maternal Rh isoimmunization
II. Trisomy 21
III. Placenta previa
IV. Placental abruption
B. I and II only
Which of the following maternal complications are associated with cesarean section?
I. lntraoperative bladder or bowel injuries
II. Endomyometritis
III. Failure to progress in labor
IV. Placenta previa
B. I and II only
How should the therapist interpret an amniotic fluid index of 5 cm?
A. Oligohydramnios
A fetus is undergoing a contraction stress test. Uterine contractions are stimulated by the intravenous infusion of oxytocin into the mother. The fetal P0 drops below 12 mm Hg and causes the fetal heart rate to slow. Which of the following conditions is likely indicated by this occurrence?
B. Uteroplacental insufficiency
How should the therapist interpret a fetal biophysical profile score of 7?
B. The fetus appears to be normal.
In lieu of obtaining a scalp blood gas sample, what can the therapist do to conduct intrapartum sessment of the fetus?
A Fetal scalp stimulation
B. Umbilical cord blood sampling
C. Placental blood sampling
D. Biophysical profile
A Fetal scalp stimulation
Which of the following medications are used as tocolytics?
I. Magnesium sulfate
II. Sodium bicarbonate
III. Calcium carbonate
IV. Indomethacin LA.
B. I and IV only
Which of the following outcomes is associated with intrapartum amnioinfusion of postterm infants demonstrating meconium-stained amniotic fluid?
C. This procedure reduces the rate of cesarean deliveries.
