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DIT resp quiz
| Question | Answer |
|---|---|
| most common cause of SIADH | Small cell LC, brain trauma |
| most common testicular tumor | seminoma |
| most common tumor of infancy | hemangioma |
| translocation 9:22 and drug to tx | CML, imatinib |
| triad of kartagener's | infertility, bronchiectasis, recurrent sinusitis |
| underlying defect of kartagener's | dynein arm defect causing ciliary dysmotility |
| 3 most common locations of lung cancer mets | brain, bone, liver |
| V/Q at apex of lung | 3 |
| V/Q at base of lung | .6 |
| V/Q during airway obstruction | approaches 0 |
| V/Q during blood flow obstruction | approaches infinity (dead space) |
| Emphysema caused by smoking | central, d2 destruction |
| emphysema caused by A1AT deficiency | panacinar, d2 elastase |
| hallmark sign of COPD | decreased FEV/FVC ratio |
| hallmark of restrictive lung disease | decreased lung volumes |
| which tumors arise centrally in lung and are linked to smoking | squamous, small cell |
| which tumors arise peripherally | carcinoma, lg cell |
| how does the body compensate for hypoxia t high altitude | increased ventilation, increased Epo, increased 23DPG, increased mitochondria, increased renal excretion of HCO3 |
| G+ cocci in clusters | staph aureus |
| gram + cocci in pairs | strep pn |
| gram - rods in 80 yr old | E coli |
| G+ cocci in neonate | GBS |
| G- rods in neonate | E Coli |
| Common causes of ARDS | lung trauma, sepsis, shock, aspiration, uremia, pancreatitis, amniotic fluid embolus, toxic gas inhalation, heroin overdose, |
| Old man with 60 pack year history of smoking w/ difficulty standing from bed in morning and difficulty raising his arms in morning | Lamber eaton syndrome from SCLC |
| What is pulsus paradoxus and what are the causes? | SBP drops >10mmHg with inspiration; hyperinflation asthma, COPD, croup, cardiac tamponade. |