Nur 113 oxygenation Exam Questions With 100% Verified Answers
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Course
NUR 113
Institution
NUR 113
Nur 113 oxygenation Exam Questions With
100% Verified Answers
Oxygenation - answerThe process of delivering oxygen to the blood by diffusion from the
alveoli following inhalation into the lungs.
increased CO2 from respiratory acidosis causes? - answervasodilation of the cerebral arteries,
incr...
Nur 113 oxygenation Exam Questions With
100% Verified Answers
Oxygenation - answer✔The process of delivering oxygen to the blood by diffusion from the
alveoli following inhalation into the lungs.
increased CO2 from respiratory acidosis causes? - answer✔vasodilation of the cerebral arteries,
increased intracranial pressure and decreased Level of consciousness (LOC)
-headache
-irritable
How does acid base balance affect the RR - answer✔increase RR excretes more CO2
decreased RR retains more CO2
how would any type of trauma affect cellular regulation? - answer✔pt may have decreased blood
carrying O2 cells and blood will shunt to vital organs and leave peripheries
-peripheral cyanosis
-slow cap refill
-cold extremities
-pallor
-lethargic
-orthostatic hypotension
how does CO2 and O2 affect cognition? - answer✔increased CO2=decreased O2= decreased
LOC
if we don't get enough O2 the body can experience discomfort how? - answer✔chest or kidney
pain
-give pain meds if necessary
how can decrease of perfusion affect the body? - answer✔-decrease O2 level
-blood shunting to vital organs (brain and heart)
-kidneys can decrease UOP, sign that pt status is declining
considerations pregnancy - answer✔-increase need of O2 (supporting another life)
-increased RR (uterus pushing diaphragm)
-nasal stuffiness and epistaxis (estrogen)
active labor changes - answer✔increased RR due to pain (hyperventilation)
supplemental O2 during labor
foramen ovale - answer✔Allows blood to enter the left atrium from the right atrium.
should close after birth
ductus arteriosus - answer✔connects the pulmonary artery to the aorta, by passing the lungs
-fetal lungs are filled with fluid
-close after birth
-pressure from natural birth pushes the fluid out
-c-section baby, lungs usually have to be stimulated by aggressive rubbing to stimulate them to
take a deep breath to clear lungs of fluid
Ductuc venosus - answer✔-Allows umbilical vein blood to bypass the liver and merge with
blood going through the vena cava
-The purpose is to bring the blood to the heart faster
How does a fetus receive oxygen? - answer✔umbilical cord that is connected to the placenta
-placenta is the actual site of gas exchange
newborn respiratory rate - answer✔30-40
newborns contain about how many alveoli - answer✔25 million
-normal adult is 300 million
Alveoli - answer✔air sacs that constitute the gas exchange surface of the lungs.
newborns are mainly nose breathers till about what age? - answer✔4 months
-make sure nose is clean and not stuffy
oxygenation risks for infants and children - answer✔-they put things in their nose and mouth
-small airways
-their body needs more O2 because their metabolism is higher, they are more active
-more susceptible to respiratory infections
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