NBME CBSE Questions with Detailed Verified Answers

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NBME CBSE Questions with Detailed
Verified Answers

Question: Type II pneumocytes
Answer: surfactant (*lecithin*)
Proliferate after injury
Type I progenitors
*Neonatal Respiratory Distress Syndrome*


Question:Type II pneumocytes
Answer: surfactant (*lecithin*)
Proliferate after injury
Type I progenitors
*Neonatal Respiratory Distress Syndrome*


Question:Polio live v killed vaccine
Answer: Killed = Salk = IgG


Live = Sabin = IgG + IgA
- can be shed in feces


Question:Polio live v killed vaccine
Answer: Killed = Salk = IgG


Live = Sabin = IgG + IgA

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- can be shed in feces


Question:Neonatal Respiratory Distress:
Etiology + Tx
Answer: Maternal DM (*high insulin*)
or C-section (*low cortisol*)
TX: *dexamethasone* before birth


Question:Neonatal Respiratory Distress:
Etiology + Tx
Answer: Maternal DM (*high insulin*)
or C-section (*low cortisol*)
TX: *dexamethasone* before birth


Question:Lung maturity determined with
Answer: Amniocentesis of Phospholipids (*type II pneumocytes)
L >> S


Question:Lung maturity determined with
Answer: Amniocentesis of Phospholipids (*type II pneumocytes)
L >> S


Question:Type I pneumocytes
Answer: Squamous gas diffusion


Question:Type I pneumocytes
Answer: Squamous gas diffusion

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Question:Elastase in lungs
Answer: macrophage: *lysosomes*
PMN: *azuronphilic granules*


Question:Elastase in lungs
Answer: macrophage: *lysosomes*
PMN: *azuronphilic granules*


Question:Elastin stretches and recoils due to
Answer: Lysine interchain crosslinks


Question:Elastin stretches and recoils due to
Answer: Lysine interchain crosslinks


Question:air pressure and
intrapleural pressure at FRC
Answer: Air pressure = 0
Intrapleural pressure = -5


Question:air pressure and
intrapleural pressure at FRC
Answer: Air pressure = 0
Intrapleural pressure = -5


Question:Pulm Vasc Resistance is lowest during
Answer: Exhale of Tidal Volume

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Question:Pulm Vasc Resistance is lowest during
Answer: Exhale of Tidal Volume


Question:Lung Compliance is decreased by
Answer: LHF, pulmonary edema,
pulmonary fibrosis


Question:Lung Compliance is decreased by
Answer: LHF, pulmonary edema,
pulmonary fibrosis


Question:Lung Compliance is increased by
Answer: emphysema, age


Question:Lung Compliance is increased by
Answer: emphysema, age


Question:Obesity affects ERV and FRC
Answer: DECREASE
ERV & FRC


Question:Obesity affects ERV and FRC
Answer: DECREASE
ERV & FRC


Question:Blood flow/min (pulmonary v systemic)