Pediatric Respiratory Care Final Exam Test 5..docx

Pediatric Respiratory Care Final Exam Test
5.
The term infant has approximately _______ million alveoli - ANS >> 50
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What are the five stages of lung development - ANS >> embryonal, pseudoglandular, canalicular,
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Bsaccular, and alveolar B B


the lung bud emerges from the - ANS >> pharynx
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the lung bud elongates and forms - ANS >> two bronchial buds and the trachea
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most of the postnatal formation of alveoli in the infant occurs over the first ________years of life -
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BANS >> 1.5 B B


an abnormal opening in the prenatal diaphragm that allows some of the abdominal organs to move
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Binto the chest and exert pressure on the developing lungs - ANS >> diaphragmatic hernia
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reduced amniotic fluid for an extended period of time and is associated with lung hypoplasia - ANS >>
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Boligohydramnios
failure of the lungs to develop in utero, is a relatively common abnormality of lung development - ANS
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B>> pulmonary hypoplasia
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flat cells serving as a think gas-permeable membrane for the diffusion of gases and a barrier against
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Bwater and solute leakage, accounting for more than 97% of the alveolar surface area - ANS >> Type I
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Bpneumocytes
Cuboidal appearing involved in surfactant production, storage, secretion, and reuse. Surfactant storage
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Boccurs in the lamellar bodies - ANS >> Type II pneumocytes
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the primary role of surfactant - ANS >> to lower the surface tension within the alveolus, specifically at
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Bthe air-liquid interface.
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surfactant is composed predominantly of an intricate blend of - ANS >> phospholipids, neutral lipids,
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Band proteins B


the fetal lungs secrete around ________ml of liquid per day - ANS >> 250-300
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shunts the blood around the fetal liver, appears continuous with the umbilical cord - ANS >> ductus
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Bvenosus
the fetal shunt the bypass the lungs and moves blood into the aorta - ANS >> ductus arteriosus
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formed during septation of atria, the blood flows inferior vena cava into the left atrium through the -
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BANS >> foramen ovale
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to prepare for the assessment and of a newborn the neonatal assessment team should at least know -
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BANS >> if the mother is in premature labor, approximate gestational age of the infant, the number of
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Bbabies expected, if meconium present
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heat loss of the infant can be greatly reduced by - ANS >> rapidly drying the infant's skin, removing
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Bwet linens, and wrapping the infant in prewarmed blankets
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negative pressure of the suction apparatus should not exceed - ANS >> 90-100 mm Hg
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3 acceptable ways of stimulating an infant include - ANS >> flicking the bottoms of the feet, gently
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Brubbing the back, drying with a towel
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