Cluster IV (neonatal and pediatric) Flashcards
The RT is evaluating a newborn with mild respiratory distress due to tracheal stenosis. During which period of lung development did this problem develop?
A. Embryonal
B. Saccular
C. Canalicular
D. Alveolar
A. Embryonal
What is the purpose of the substance secreted by the type 2 pneumocyte?
A. To increase the gas exchange surface area
B. To reduce the surface tension
C. To maintain the lung elasticity
D. To preserve the volume of the amniotic fluid
B. To reduce the surface tension
Which of the ff tests of the amniotic fluid have been shown to be sensitive indicators of lung maturity
A. levels of prednisone
B. Levels of epidermal growth factor
C. Levels of prostaglandin
D. Levels of phosphatidglycerol and phosphatidycholine
D. Levels of phosphatidglycerol and phosphatidycholine
Approximately how much fetal lung fluid is secreted daily
A. About 150 to 200 mL
B. About 250 to 300 mL
C. About 350 to 400 mL
D. About 450 to 500 mL
B. About 250 to 300 mL
A pregnant woman is coming for an early prenatal evaluation and wants to know if she can listen to baby’s heartbeat. How early can be the fetal heartbeat be detected?
A. Day 8
B. Day 22
C. Day 42
D. Day 62
B. Day 22
Which of the ff. organs is considered to be the first complete form?
A. Heart
B. Brain
C. Kidney
D. Lungs
A. Heart
What is the function of the Wharton’s jelly inside the umbilical cord
A. To help provide nutrition to the fetus
B. To help prevent the vessels inside the cord from kinking
C. To deliver oxygen from placenta to the fetus
D. To regulate the temperature between the fetus and the mother
B. To help prevent the vessels inside the cord from kinking
Which of the ff embryonic germ layers gives information to the respiratory system?
A. Endoderm
B. Mesoderm
C. Ectoderm
D. Periderm
A. Endoderm
How long after birth should it take for the ductus arteriosus to close completely
A. 24 hours
B. 48 hours
C. 96 hours
D. 1 week
C. 96 hours
Which of the ff event causes cessation of right-to-left shunt through the foreamen ovale?
A. Increased level of PO2 in the blood of the neonate
B. Decreased level of PCO2 in the blood of the newborn
C. Increased systemic vascular resistance
D. Removal of the placenta, causing lowered blood volume returning to the right side of the fetal heart
C. Increased systemic vascular resistance
At what gestational age is extra uterine life possible?
A. 22 to 38 weeks
B. 24 to 36 weeks
C. 38 to 42 weeks
D. 20 to 23 weeks
C. 38 to 42 weeks
When does surfactant production begin?
A. 12 to 18 weeks
B. 24 to 26 weeks
C. 28 to 32 weeks
D. 32 to 42 weeks
B. 24 to 26 weeks
Where does gas exchange occur in the fetus?
A. Lungs
B. Heart
C. Placenta
D. Umbilical Cord
C. Placenta
How many umbilical veins and how many umbilical arteries?
A. 2 umbilical arteries and 1 umbilical vein
B. 1 umbilical artery and 2 umbilical veins
C. 2 umbilical arteries and 2 umbilical veins
D. 1 umbilical artery and 1 umbilical vein
A. 2 umbilical arteries and 1 umbilical vein
Which of the ff maternal focus is/are related to the health of the fetus and outcomes of pregnancy?
1. Maternal age
2. Prior maternal disease
3. Maternal drug use
4. Maternal birth history
A. 1, 2, and 3
B. 2 and 4
C. 1,2,3 and 4
D. 3, and 4
C. 1,2,3 and 4
Which of the ff techniques would you recommend to assess the state of pulmonary maturity before birth
A. Blood gas analysis
B. Ultrasonography
C. Maternal History
D. Amniocentesis
D. Amniocentesis
Temporary drops in the fetal heart rate during uterine contractions are known as
A. Fetal stress
B. Decelerations
C. Primary apnea
D. Secondary Bradycardia
B. Decelerations
Ate decelerations are consistent with which of the ff conditions
1. Uteroplacental insufficiency
2. Umbilical cord compression
3. Normal Contraction
4. Maternal Bradycardia
A. 1 and 2 only
B. 2 and 3 only
C. 3 and 4 only
d. 1,2,3,4
A. 1 and 2 only
Which of the ff. pH values is associated with fetal asphyxia?
A. Less than 7.1
B. Less than 7.2
C. Less than 7.3
D. Less than 7.4
B. Less than 7.2
At 1 min after birth a newborn infant exhibits the ff heart rate of 65 beats per min, a slow and irregular respiratory rate , some muscle flexion, a grimace when nasally suctioned and a pink body with blue extremities. What is the infant’s 1 minute APGAR
A. 3
B. 4
C. 5
D. 6
C. 5
Which of the ff methods is useful in determining gestational age of the newborn?
A. Dubowitz
B. Adams
C. Apgar
D. Perkinson
A. Dubowitz
Tachypnea in the newborn is defined as a respiratory rate greater than what level?
A. 40/min
B. 50/min
C. 60/min
D. 70/min
C. 60/min
You notice drawing (retractions) of chest wall muscle and tissue between the ribs, and above below the sternum, all occurring during inspiration. Which of the following conclusions is most consistent with this observation?
A. Airway resistance (RAW) is decreased
B. Lung Compliance (CL) is decreased
C. Work of breathing is decreased
D. Normal
B. Lung Compliance (CL) is decreased
You detect a “bounding” peripheral pulse on a newborn infant. Based on this findings, what should you suspect?
A. Patent ductus arteriosus
B. Peripheral vasoconstriction
C. Coarctation of the Aorta
D. Peripheral vasodilation
A. Patent ductus arteriosus