Flight Paramedic Questions with 100% Correct Answers

What is diffusion? Correct Answer Movement of molecules from high to low concentration Where does gas exchange occur? Correct Answer alveolar-capillary membrane 4 Causes of poor diffusion at the alveolar-capillary membrane Correct Answer 1. Damage (Atelectasis) 2. Covered with fluid(Pneumonia/ARDS) 3. Insufficient inflation(hypoventilation/poor inspiratory maneuvers) 4. overstretched(High Pplat) Why do we need to ventilate properly? Correct Answer To regulate and maintain appropriate amounts of CO2 Co2 regulation second by second Correct Answer Carbonic acid buffer system What mechanisms produce CO2? Correct Answer Aerobic and anaerobic metabolism What mechanisms regulate CO2? Correct Answer 1. Being in an aerobic state 2. Blood flow to lungs 3. Proper diffusion 4. appropriate minute ventilation PaCO2 for hypoventilation Correct Answer Above 45 mmHg PaCO2 for hyperventilation Correct Answer Less than 35 mmHg For every change in CO2 by 10 mmHg, you will have a corresponding change in pH by _____ in the opposite direction Correct Answer 0.08 Will the PaCO2 or ETCO2 be higher? and by how much? Correct Answer PaCO2 will always be higher by 3-5 mmHg. How much faster does CO2 diffuse than O2? Correct Answer CO2 diffuses at a rate 20x faster than O2 PAO2 Correct Answer Partial Pressure of oxygen in the alveoli PaO2 Correct Answer partial pressure of oxygen in the arterial system SaO2 Correct Answer Amount of oxygen saturated on hemoglobin