Exam Questions and CORRECT Answers
What type of cells produce surfactant? - CORRECT ANSWER - type II pneumocytes
What moms should receive antenatal steroids? How are they dosed? - CORRECT
ANSWER - -all moms <35 weeks gestation when delivery is imminent
-give 2 doses 24 hours apart
Which is worse, right to left or left to right shunting? Why? - CORRECT ANSWER --
right to left is worse
-deoxygenated blood is entering the aorta and being sent out to the body
What PaO2 values on a hyperoxia test indicate that the likely cause of cyanosis is PPHN vs.
CHD? - CORRECT ANSWER - -PaO2 >150mmHg: likely PPHN
-PaO2 <100mmHg: likely CHD
What is normal pH on an ABG? - CORRECT ANSWER - 7.35-7.45
What is normal PaCO2 on an ABG? - CORRECT ANSWER - 35-45 mmHg
What is normal PaO2 for term/preterm infants on an ABG? - CORRECT ANSWER --
term: 50-70 mmHg
-preterm: 45-65 mmHg
What is normal HCO3 on an ABG? - CORRECT ANSWER - 22-26 mEq/L
Which compensation occurs faster, respiratory or metabolic? - CORRECT ANSWER -
respiratory
, What vent changes do we make if CO2 is high on ABG? - CORRECT ANSWER --
increase PIP
-increase rate
-increase tidal volume
-increase amplitude
-decrease frequency
What vent changes do we make if CO2 is low on ABG? - CORRECT ANSWER --
decrease PIP
-decrease rate
-decrease tidal volume
-decrease amplitude
-increase frequency
-extubate?
What vent changes do we make if PaO2 is low on ABG? - CORRECT ANSWER --
increase FiO2
-increase PEEP
-increase PIP
-increase MAP
What vent changes do we make if PaO2 is high on ABG? - CORRECT ANSWER --
decrease FiO2
-decrease PEEP
-decrease PIP
-decrease MAP