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Exam (elaborations)

NU 404- unit 6 exam Practice Questions and Answers

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  • Course
  • NU 410
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  • NU 410

NU 404- unit 6 exam Practice Questions and Answers Regarding the transition to extrauterine life, when does the first period of reactivity occur? - Ans:-30 minutes after birth Regarding the transition to extrauterine life, when does the second period of reactivity occur? - Ans:- 2-8 hours afte...

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  • October 23, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NU 410
  • NU 410
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NU 404- unit 6 exam Practice Questions
and Answers


Regarding the transition to extrauterine life, when does the first period of reactivity occur? - Ans:✔✔-30

minutes after birth


Regarding the transition to extrauterine life, when does the second period of reactivity occur? - Ans:✔✔-

2-8 hours after birth


What are the 3 adjustments a baby must make after birth? - Ans:✔✔-respiratory, cardiovascular, thermal


What is chemical initiation of breathing? - Ans:✔✔-when the umbilical cord is cut (utero-placental

circulation ceases)


When the umbilical cord is cut, uteroplacental circulation ceases. This causes an increase in Pco2 and a

decrease in Po2. What does this stimulate? - Ans:✔✔-the medulla (breathing center) and causes baby to

take a breath


The compression of the fetal chest during the delivery process is describes... - Ans:✔✔-mechanical

initiation of breathing


- may have crackles depending on how much fluid

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C-S vs SVD - Ans:✔✔-c-section vs. spontaneous vaginal delivery.




- babies born vaginally get the mechanical initiation


- vaginal birth babies should not be as congested.


Initiation of breathing: thermal - Ans:✔✔-changes in the environment stimulate the receptors in skin


- babies need to maintain a neutrothermal temp to prevent cold stress


What temperature should the nursery be? - Ans:✔✔-75


This stimuli, combined with mechanical and chemical, play a role in initiation of breathing in the normal

newborn. - Ans:✔✔-multiple sensory stimuli.


- make sure there is no grunting, flaring, or nasal retractions (GFR)


Environment... - Ans:✔✔-the cooling effect stimulates sensory impulses


- noise, light, pain


- stimulate womb for preemie babies


What are some cardiopulmonary changes for the newborn? - Ans:✔✔-- conversion from fetal to

neonatal circulation (fetal circulation is opposite of our circulation)


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- emptying the lungs of fluid (if not emptied...=impaired gas exchange)


- Co2 increased, O2 decreased, sends message to medulla (if something goes wrong, baby will be in

distress)


Surfak (docusate) - Ans:✔✔-lowers the surface tension at the oil-water interface of feces.


- sennoside/laxative/stool softener


- 100mg bid


Contraindications of surfak (docusate) - Ans:✔✔-mineral oil


Symptoms of surfak (docusate) - Ans:✔✔-N/V, abd pain, fecal impaction, appendicitis


What is surfactant? - Ans:✔✔-a surface acting phospholipid (fat) that prevents the alveoli from

collapsing on expiration


- babies bodies makes this


When do alveolar sacs in the lung develop? - Ans:✔✔-at 24 weeks


When are cells of the alveoli changed into type I and type II cells? - Ans:✔✔-by 26-28 weeks


Type I cells are responsible for - Ans:✔✔-gas exchange in the lungs


Type II cells allow for - Ans:✔✔-the production of surfactant

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FIRST PUBLISH OCTOBER 2024




When do the number of type II cells increase concurrently with surfactant productions? - Ans:✔✔-by 35-

36 weeks




- it is possible for fetus to be delivered without resp. distress syndrome by this time


African american girls do not struggle with breathing as much as - Ans:✔✔-boys and caucasians


What do we do if baby is not breathing? - Ans:✔✔-give exogenous surfactant (fatty substance) that

prevents alveoli from collapsing on expiration


Newborn respirations - Ans:✔✔-30-60 breaths/min


- avg. 40


Crying increases respirations to over - Ans:✔✔-60


Characteristics of newborn respirations - Ans:✔✔-shallow irregular breaths with periods of apnea


What is apnea? - Ans:✔✔-pauses in breathing lasting greater than 20 seconds


One of the most crucial adjustments that the newborn must make is - Ans:✔✔-respirations


What is preferred if the baby is in distress? - Ans:✔✔-blow-by


- usually don't put on O2 unless they are in distress

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