6. Calculate the pulmonary shunt fraction for a patient with the following data: CAO2 = 17 vol%; CaO2 = 16.5 vol%; = 11 vol%. a. 8% b. 15% c. 30% d. 37%
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6. Calculate the pulmonary shunt fraction for a patient with the following data: CAO2 = 17 vol%; CaO2 = 16.5 vol%; = 11 vol%.
a. 8%
b. 15%
c. 30%
d. 37%
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- Which of the following forced expiratory measurements reflects the status of medium-sized to small-sized airways? A. FEF200-1200 B. PEFR C. MVV D. FEF25%-75%The mean intraluminal pressure in the pulmonary capillaries is A. 5 mm Hg B. 10 mm Hg C. 15 mm Hg D. 20 mm Hg9. Which of the following forced expiratory measurements is a good index of the integrity of large airway function? A. FEVT B. FEF200-1200 C. FEF25%-75% D. MVV
- If the pressure in the pulmonary artery is 34 mm Hg and the pressure in the left atrium is 9 mm Hg, what is the driving pressure? A. 9 mm Hg B. 17 mm Hg C. 25 mm Hg D. 34 mm Hg5. Calculate the pulmonary shunt fraction for a patient with the following data: Pb = 760 mm Hg; Hb = 10 g/dL; respiratory quotient = 0.8; FIO2 = 0.6; PaO2 = 100 mm Hg; SaO2 = 93%; PaCO2 = 45 mm Hg; = 36 mm Hg; = 70%.a. 13%b. 26%c. 30%d. 41%9. The volume of oxygen transported in soluble form by 1000 ml of arterial blood plasma if pO, = 100 mm Hg will be : A. 10 ml В. 20 ml C. 30 ml D. 40 ml Е. 50 ml
- A high flow device A. Delivers a minimum of 6 L/min to the patient B. The device flow must meet or exceed a patient's inspiratory demand C. Is theoretical; there is no such thing as a high flow device D. Should never be utilized with a patient with lung disease4. Calculate the pulmonary shunt fraction using the following data: Pb = 757 mm Hg; hemoglobin (Hb) = 11 g/dL; FIO2 = 0.5; PaO2 = 86 mm Hg; PaCO2 = 40 mm Hg; SaO2 = 91%; = 40 mm Hg; = 71%; respiratory exchange quotient (R) = 0.8.a. 19%b. 23%c. 26%d. 32%A high V/Q ratio may indicate which physiological condition A. Pulmonary embolism B. Cardiogenic shock C. Asthma D. Two of the mention E. All of the above
- Assuming a normal barometric pressure of 760 mm Hg, if the percentage of oxygen is 0.4, the partial pressure of oxygen would be: A. 159 mm Hg C. 304 mm Hg B. 215 mm Hg D. 560 mm HgIn one subject the systolic (intra-arterial), diastolic, and mean pressures are 845mmHg, 79mmHg, and 91mmHg, respectively. Therefore, the atmospheric pressure is a. 0.92atm b. 0.93atm c. 0.94atm d. 0.95atm e. 0.96atmIf a patient has a Hb level of 14 g/dL and a Pa(o2) of 55 mm Hg (85 percent saturated with oxygen), approximately how much oxygen is transported to the peripheral tissues in each 100 mL of blood? A. 16 mL/dL B. 17 mL/dL C. 18 mL/dL D. 19 mL/dL