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- 20. At end-expiration, is A. 0 mm Hg. B. 2 mm Hg. C. 4 mm Hg. D. 6 mm Hg.HbR is reported to have P50=14torr and a Hillcoefficient=1.2. Calculate ΔYO2 for a climber with HbR assuming that, at 14,000 ft (∼4300m), PO2=43mmHg in lungs and PO2=10mmHg in muscle capillaries.If the DBW of an individual is 45kg what is the TER if the PA classification is 75%? a. 1800 b. 2003.4 c. 1080 d. 113
- Which conditions would curve A most likely resemble? A. An individual with chronic obstructive pulmonary disease B. Increased H+ content C, Low temperatures D. An individual during moderate exercise E. CO2 poisoning10. A patient with an IBW of 68 kg is intubated and being mechanically ventilated with VC-CMV, f = 12/min, and VT = 470 mL. The patient has a combined respiratory rate of 25/min. The ABG results are: pH 7.56, PaCO2 26 mm Hg, and HCO − 22 mEq/L. The most appropriate action is to do which of the following?a. Decrease the set frequency to 8/min.b. Decrease the set tidal volume to 300 mL.c. Sedate and paralyze the patient.d. Change the mode to VC-IMV (Volume Control intermittent mandatory ventilation).Predict Hb's affinity for oxygen at different conditions in the blood (in the lungs, in the tissues, pH changes, low & high oxygen levels, 2,3-BPG, fetal Hb)? I need help answering this question
- Determine the % inaccuracy by calculating the percent error of the micropipette at the set volume of 100 µL A. Standard deviation B. Covieffecrnt of varaiant C. % error (precision) Percent error = mean volume delivered -expected volume x 100 Expected volume RUN Weight Measurement (in g) 1 0.0985 2 0.0987 3 0.0985 4 0.0982 5 0.0984 6 0.0984 7 0.0981 8 0.0983 9 0.0982 10 0.0988 Total 0.9841 A. Standard deviation B. Covieffecrnt of varaiant C. % error (precision)when v=vmax/2，Km =（S） 1.why？？Need Explaination. What is V and what is Vmax？how is their relationship and how they affect each other？Detail explanation please. The Fomular：V/E total = K cat. 2. What Is E total？？？need definition of E total.Detail explanation please.Given the follwoing data, calculate the "compressible volume loss" and actual tidal volume. tidal volume = 500 mL CF = 4 mL/cmH2O Peak pressure = 20 cmH2O Lost volume = ? mL Actual tidal volume = ? mL Thank you :)
- Anadult mouse has a respiratory rate of∼163 breaths/min and a tidal volumeof∼0.15 ml at BTP (37 ◦C) [36]. The averageO2 consumption for one strainof male adult mice is 45.5 ml O2/hour at STP. For the inspired aircomposition shown in Table 7.7, compute the expired air composition. Youmay assume that the ratio of CO2 production/O2 consumption is the samefor humans and miceA patient carrying a mutant form of hemoglobin (KD = 48 torr) is planning to take part in a hiking trip that involves strenuous physical activity at ~10,000 feet above sea level. The mutant hemoglobin has reduced oxygen binding cooperativity (n = 2.2) and displays no major structural abnormalities. a. Calculate the percent saturation of hemoglobin in the lungs (pO2 = 70 torr at this elevation) for this patient and for an individual carrying a normal version of hemoglobin b. Calculate the percent saturation of hemoglobin in active skeletal muscle tissue (pO2 = 15 torr) for this patient and for an individual carrying a normal version of hemoglobin c. Will this patient transport oxygen from the lungs to active muscle tissues more or less efficientlythan an individual with a normal version of hemoglobin on this trip? Briefly explain your answer1. During mechanical ventilation of a patient with COPD, the PaCO2 = 58 mm Hg and the minute ventilation = 5.5 L/min. The desired PaCO2 for this patient is 45 mm Hg. To what should the minute ventilation be changed? [Formula for Desired VT = Known PaCO2 ⋅ Known VT / Desired PaCO2] a. 4.3 L/minb. 4.8 L/minc. 6.6 L/mind. 7.1 L/min
