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RNC-NIC; RESPIRATORY EXAM QUESTIONS AND ANSWERS
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RNC-NIC; RESPIRATORY EXAM QUESTIONS AND ANSWERS...
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RNC-NIC; RESPIRATORY EXAM QUESTIONS ANDANSWERS
Which kind of cells create surfactant? - Answer: class II pneumocytes.
Which mothers should receive prenatal steroids? How are they dosed? -
ANSWER: All mothers under 35 weeks gestation when delivery is near.
-give two dosages, 24 hours apart.
Which is worse: right to left or left to right shunting? Why? - ANSWER: Right
to left is worse.
-deoxygenated blood enters the aorta and is sent out into the body.
What PaO2 levels on a hyperoxia test indicate that PPHN is the most likely
cause of cyanosis, rather than CHD? - ANSWER: PaO2 >150mmHg: probable
PPHN.
-PaO2 <100mmHg: probable CHD.
What is the typical pH on an ABG? - Answer: 7.35-7.45
What is the usual PaCO2 on an ABG? - ANSWER: 35–45 mmHg
What is the usual PaO2 level for term/preterm newborns on an ABG? –
ANSWER -term: 50 to 70 mmHg
-Preterm: 45–65 mmHg
What is the typical HCO3 on an ABG? - ANSWER 22–26 mEq/L
, Which type of compensation occurs faster: respiratory or metabolic? - Answer
respiratory.
What vent modifications should we do if ABG shows excessive CO2 levels? -
ANSWER - Increase PIP.
-Increase the rate
-Increase tidal volume.
-Increase the amplitude
-decrease frequency.
What vent modifications should we make if the ABG's CO2 levels are low? -
ANSWER: reduce PIP.
-decrease rate.
-Decrease tidal volume.
-decrease amplitude.
-Increase frequency.
-extubate?
What vent modifications should we do if ABG shows low PaO2? - ANSWER -
Increase FiO2.
-Increase PEEP.
-Increase PIP.
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