MCN 568 Respiratory UPDATED Exam
Questions and CORRECT Answers
Name the 4 stages of fetal lung development - CORRECT ANSWER - Embryonic,
pseudoglandular, canalicular, saccular/aveloar
Which period of fetal lung development is from 0-42 days of gestation? - CORRECT
ANSWER - Embryonic
Which stage of fetal lung development lasts from 5-18 weeks of gestation and ends in the
vascular development being established? - CORRECT ANSWER - Pseudoglandular
What stage of fetal lung development is characterized as the transition from pre-viable to viable
lungs? - CORRECT ANSWER - Canalicular
What effect do poor maternal nutrition, chorioamnionitis, and antenatal glucocorticoids have on
lung/alveolar development? - CORRECT ANSWER - Delay
What effect do thyroid hormone and antenatal corticosteroids have on lung/alveolar
development? - CORRECT ANSWER - Stimulate
What does CCAM stand for? - CORRECT ANSWER - Congenital cystic adenomatoid
malformation
What is a normal tidal volume for an infant? - CORRECT ANSWER - 6-7 mL/kg
What term describes the airway volume not involved in gas exchange, which extends from the
nares to the terminal bronchioles? - CORRECT ANSWER - Anatomic dead space
, What is the term for the volume of gas in alveoli that are well-ventilated but underperfused? -
CORRECT ANSWER - Alveolar dead space
What is the term used to define the volume of anatomic dead space plus alveolar dead space? -
CORRECT ANSWER - Physiologic dead space
What condition in newborns results from impaired surfactant synthesis and/or function? -
CORRECT ANSWER - RDS
What are the characteristic radiograph findings in RDS? - CORRECT ANSWER - Diffuse
reticulogranular ("ground glass") pattern with air bronchograms
What is the INSURE technique? - CORRECT ANSWER - A method of surfactant
administration. Stands for INtubate, SURfactant, Extubate
What method of surfactant administration is achieved by using a small catheter, inserted into the
trachea, while an infant is on CPAP? - CORRECT ANSWER - LISA method - Less
Invasive Surfactant Administration
What type of commonly used respiratory support is associated with the complications of poor
seal, nasal septum trauma, overinflation, and gastric distention? - CORRECT ANSWER -
CPAP
Which vent mode is described as delivering a mechanical breath that is triggered by the start of a
baby's spontaneous respiration? - CORRECT ANSWER - SIMV - synchronized
intermittent mandatory ventilation
True or false? Weaning the rate is the best way to reduce respiratory support for an infant in
assist/control ventilation. - CORRECT ANSWER - False. Pressure reduction is the means
by which A/C is weaned. This mode supports each breath the infant draws but does not give a
guaranteed rate unless the infant is breathing slower than the minimum control rate set by the
provider.
Questions and CORRECT Answers
Name the 4 stages of fetal lung development - CORRECT ANSWER - Embryonic,
pseudoglandular, canalicular, saccular/aveloar
Which period of fetal lung development is from 0-42 days of gestation? - CORRECT
ANSWER - Embryonic
Which stage of fetal lung development lasts from 5-18 weeks of gestation and ends in the
vascular development being established? - CORRECT ANSWER - Pseudoglandular
What stage of fetal lung development is characterized as the transition from pre-viable to viable
lungs? - CORRECT ANSWER - Canalicular
What effect do poor maternal nutrition, chorioamnionitis, and antenatal glucocorticoids have on
lung/alveolar development? - CORRECT ANSWER - Delay
What effect do thyroid hormone and antenatal corticosteroids have on lung/alveolar
development? - CORRECT ANSWER - Stimulate
What does CCAM stand for? - CORRECT ANSWER - Congenital cystic adenomatoid
malformation
What is a normal tidal volume for an infant? - CORRECT ANSWER - 6-7 mL/kg
What term describes the airway volume not involved in gas exchange, which extends from the
nares to the terminal bronchioles? - CORRECT ANSWER - Anatomic dead space
, What is the term for the volume of gas in alveoli that are well-ventilated but underperfused? -
CORRECT ANSWER - Alveolar dead space
What is the term used to define the volume of anatomic dead space plus alveolar dead space? -
CORRECT ANSWER - Physiologic dead space
What condition in newborns results from impaired surfactant synthesis and/or function? -
CORRECT ANSWER - RDS
What are the characteristic radiograph findings in RDS? - CORRECT ANSWER - Diffuse
reticulogranular ("ground glass") pattern with air bronchograms
What is the INSURE technique? - CORRECT ANSWER - A method of surfactant
administration. Stands for INtubate, SURfactant, Extubate
What method of surfactant administration is achieved by using a small catheter, inserted into the
trachea, while an infant is on CPAP? - CORRECT ANSWER - LISA method - Less
Invasive Surfactant Administration
What type of commonly used respiratory support is associated with the complications of poor
seal, nasal septum trauma, overinflation, and gastric distention? - CORRECT ANSWER -
CPAP
Which vent mode is described as delivering a mechanical breath that is triggered by the start of a
baby's spontaneous respiration? - CORRECT ANSWER - SIMV - synchronized
intermittent mandatory ventilation
True or false? Weaning the rate is the best way to reduce respiratory support for an infant in
assist/control ventilation. - CORRECT ANSWER - False. Pressure reduction is the means
by which A/C is weaned. This mode supports each breath the infant draws but does not give a
guaranteed rate unless the infant is breathing slower than the minimum control rate set by the
provider.
