MEDICAL
DETECTION OF A CHOROID PLEXUS CYST OCCURS MOST FREQUENTLY IN CASES OF ANEUPLOIDY SUCH AS
A. Trisomy 13 B. Trisomy 18 ✓ C. Trisomy 21 D. 45,X A choroid plexus cyst is a small fluid-filled sac that can be detected in the choroid plexus of the brain during prenatal ultrasound examinations. The presence of…
PROOPIOMELANOCORTIN IS SYNTHESIZED AND RELEASED FROM
A. Zona glomerulosa cells B. Gonadotropes C. Thyrotropes D. Pulmonary neuroendocrine bodies ✓ E. Erythrocytes Pulmonary neuroendocrine bodies, also known as Kulchitsky cells, are specialized neuroendocrine cells found in the lungs. These cells are responsible for the synthesis and…
THE MAJOR SOURCE OF ESTROGENS IN THE HUMAN FETUS IS
A. The fetal ovary B. The fetal testis C. The fetal zone of the fetal adrenal cortex D. The definitive zone of the fetal adrenal cortex E. The placenta ✓ The major source of estrogens in the human fetus…
ANTENATAL STEROID THERAPY RESULTS IN A REDUCTION IN WHICH OF THESE MAJOR COMPLICATIONS OF PREMATURITY
A. Intraventricular hemorrhage (IVH) and necrotizing enterocolitis (NEC) ✓ B. IVH and jaundice C. IVH and pneumonia D. IVH and gastroinestinal reflux Antenatal steroid therapy results in a reduction in the major complications of prematurity, specifically option A: Intraventricular…
THE LUNG CELLS RESPONSIBLE FOR SURFACTANT SYNTHESIS ARE
A. Type 1 pneumocytes B. Bronchial epithelium C. Type 2 pneumocytes ✓ D. Endothelial cells The lung cells responsible for surfactant synthesis are Type 2 pneumocytes. Type 2 pneumocytes, also known as septal cells or type II alveolar cells,…
CONTRAINDICATIONS TO TOCOLYSIS WITH MAGNESIUM SULFATE INCLUDE
A. Oligohydramnios B. Myasthenia gravis ✓ C. Thyroid disease D. Uncontrolled diabetes Tocolysis is the process of inhibiting uterine contractions in order to delay preterm labor. Magnesium sulfate is a commonly used medication for tocolysis. However, there are certain…
WHICH OF THE FOLLOWING HEMOGLOBINOPATHIES DOES NOT CAUSE SICKLE-CELL CRISIS
A. Hemoglobin SA ✓ B. Hemoglobin SS C. Hemoglobin SC D. Hemoglobin S/β-thalassemia Hemoglobinopathies are a group of genetic disorders characterized by abnormalities in the structure or production of hemoglobin, the protein responsible for carrying oxygen in red blood…
WHICH OF THE FOLLOWING ARE CONTRAINDICATIONS FOR BREASTFEEDING TERM, HEALTHY INFANTS
A. Maternal hepatitis C B. Maternal hepatitis B C. Infant cleft lip or palate D. Infant galactosemia ✓ Contraindications for breastfeeding term, healthy infants include certain medical conditions that may pose risks to the infant or the mother. One…
THE META-ANALYSIS OF TRIALS COMPARING FORCEPS WITH VACUUMS CONCLUDED THAT
A. Forceps caused more neonatal trauma than vacuums B. Vacuums caused more perineal trauma than forceps C. Vacuums caused less perineal trauma than forceps ✓ D. Intracranial bleeding was only seen with vacuums In the meta-analysis of trials comparing…
THE TREATMENT OF A PROTRACTED ACTIVE PHASE IN THE PRESENCE OF CHORIOAMNIONITIS SHOULD INCLUDE
A. Oxytocin infusion ✓ B. Prompt Cesarean delivery C. Manual rotation of a malposition D. Amnioinfusion with antibiotics Chorioamnionitis is an infection of the fetal membranes (chorion and amnion) and amniotic fluid, typically caused by ascending bacteria from the…
