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Q001. What is the most important determinant of the amount of oxygen delivery to tissues?
Hemoglobin
Carbon Monoxide Poisoning
0.0031(PaO2) + 1.38(Hb x SaO2) = Art O2 content
V/Q mismatch; responds to:; supplemental Oxygen; (ex: COPD, CHF, PE, asthma, etc)
Perfusion of a non-ventilated lung
Anemia = decreased Hb; low Hb causes a decrease in O2 carrying capacity:; Normal PaO2; Decreased PvO2
High-altitude
Q008. What does not cause cyanosis or discoloration until it reaches toxic levels, where the patient will present with "cherry red" lips and nails?
Carbon Monoxide poisoning
Q009. Definition:; Gas exchange compromise due to problem with alveolar interface; (ex: interstitial lung Dz)
Diffusion defect
Myasthenia gravis;; ALS;; Guillain-Barre
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