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If a patent produces a flow rate of 21 sec during a forced exhalation by generating a trans respiratory pressure of 13cm HO. Calculate the R?
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- If an individual fully inhales to a total lung capacity of 4.5 L at sea level (760 mm Hg) and dives to a depth of 66 feet, the lungs will be compressed to about A. 1.0 L B. 1.5 L C. 2.0 L D. 2.5 LIf a patient produces a flow rate of 21L sec during a forced exhalation by generating a trans respiratory pressure of 13cm H20. Calculate the R;?If there are 3 × 108 alveoli in a lung with a functional residual capac- ity (FRC) of 2.5 liters, calculate the average volume of an alveolus.
- The formula to determine minute ventilation is: O VA - (Vd x f) O fx Vt O fx (Vt - Vd) O None of these are correct O (Vd - Vt) x fWhat would be the expired minute volume (VE) of someone who takes 2.5 breaths every 30 seconds and has a tidal volume (VT) of 0.2L? Show your work.A patient receiving control-mode continuous mandatory ventilation has the following ABG on an FiO2 of 0.5: pH = 7.23; PCO2 = 61 mm Hg; HCO3– = 26 mm Hg. The current minute ventilation (VE) is 9.2 L/min. What new VE would you recommend? a. a) 10.6 L/minb) 14.0 L/minc) 12.4 L/mind) 5.8 L/min
- A spontaneously breathing patient has a normal PaCO2 of 40 mm Hg, a minute ventilation (VE) of 6 L/min, and a VD/VT ratio of 35% (0.35). Then the patient develops a pulmonary embolus (PE), blocking blood flow to a significant number of ventilated avleoli. Consequently, the measured VD/VT increases to 65% (0.65). 1. Calculate the alveolar ventilation associated with teh original PaCO2 of 40 mm Hg. 2. To maintain the same PaCO2 of 40 after the embolus occurs, what change must occur in total minute ventilation (VE)?Using the full and simplified versions of the alveolar gas equation, determine the partial pressure of carbon dioxide in the alveoli for an oxygen partial pressure of 160 mm Hg in the alveoli, a total pressure of 810 mm Hg, a partial pressure of oxygen in the surrounding air of 204 mm Hg, and a respiratory exchange ratio of 0.8. And provide one reason why this equation is essential for clinicians in a hospital setting. In your answer, comment on calculation/computation compared to accurately measure this value inside an individual alveoli.What will be the effective permeability coefficient ko for oxygen transport from alveoli to the surface of red blood cells provided the tissue between alveoli and pulmonary vessels has permeability to oxygen Pw = 0.3cm/s, while the mass transfer coefficient for oxygen transport in blood plasma km = 0.5cm/s? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.8 cm/s b. 0.75cm/s 2 0.19 cm/s - 0.05 cm/s
- Calculate the expiratory reserve volume and residual volume from the following set of values (EC): Vital capacity 4900ml; total lung capacity 6400ml; inspiratory capacity 3800ml.Calculate the alveolar gas tension given the following FiO2 = 0.21, Patm = 700 Torr, pH2O = 47 Torr,RQ = 0.8, and PaCO2 = 38 Torr. Express answers in Torr.On the Drager Fabius trio, when the breathing pressure goes above the set threshold for more than 15 seconds, what should your first step be?