NNP BOARDS REVIEW – RESPIRATORY
QUESTIONS WITH 100% CORRECT
ANSWERS [ GRADED A+]
what is respiratory distress? - trouble breathing
grunting, flaring, retractions, decreased breath sounds, pallor, rales, bronchi
***IDENTIFY THESE SIGNS AND DEVELOP THE DIAGNOSIS AND TREAT THE
PATIENT
what a...
, benign, self-limited condition that can present in infants of any gestational age
shortly after birth; It is caused by a delay in the clearance of fetal lung fluid after
birth, which leads to ineffective gas exchange, respiratory distress, and tachypnea
- ✔✔TTN
explain the ENaC channels and how this effects TTN - ✔✔TTN is caused by
INCOMPLETE activation of ENaC channels
**ENaC channels need to be activated for the Na and H20 to move out of the
lungs
**Prior to onset of labor, lung epithelium goes from secretary to resorptive
through activation of the ENaC channels at surface of type II cells which causes
active transport of Na out of lung cells into interstitial and allows H20 to follow Na
out of the airway lumen
**Sodium in the alveolus is transported passively across the ENaC proteins which
in turn is actively transported back to the interstitium by the Na+/K+-ATPase
pump.
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