QUESTION 3 The hydrostatic pressure at the beginning and end of the pulmonary capillary is O a. higher than the osmotic pressure O b. lower than the osmotic pressure O c. equal to the osmotic pressure O d. none of the above QUESTION 4 The osmotic pressure is due to the presence of which of the following ? O a. glucose O b. protein O c. hydrogen ions O d. none of the above QUESTION 5 "2 The hydrostatic pressure is due to which of the following?

QUESTION 3 The hydrostatic pressure at the beginning and end of the pulmonary capillary is O a. higher than the osmotic pressure O b. lower than the osmotic pressure O c. equal to the osmotic pressure O d. none of the above QUESTION 4 The osmotic pressure is due to the presence of which of the following ? O a. glucose O b. protein O c. hydrogen ions O d. none of the above QUESTION 5 "2 The hydrostatic pressure is due to which of the following?

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter26: Advanced Modes Of Mechanical Ventilation

Section: Chapter Questions

Problem 3SEPT

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Assuming that pressure remains constant, if the radius of a bronchial airway through which gas glows at a rate of 400 L/min is reduced to one-half of its original size, the flow through the bronchial airway would change to A. 10 L/min. B. 25 L/min. C. 100 L/min. D. 200 L/min.
The mean intraluminal pressure in the pulmonary capillaries is A. 5 mm Hg B. 10 mm Hg C. 15 mm Hg D. 20 mm Hg
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 Hg
Suppression of the peripheral chemoreceptors begins when the Po2 falls below A. 50 mm Hg B. 40 mm Hg C. 30 mm Hg D. 20 mm Hg
At sea level, the alveolar water vapor pressure in normally about A. 0.2 mm Hg B. 47 mm Hg C. 0.0 mm Hg D. 40 mm Hg
The peripheral chemoreceptors are significantly activated when the PO2 decreases to about A. 75 mm Hg B. 70 mm Hg C. 65 mm Hg D. 60 mm Hg
If a patient is receiving an FIO2 of 0.60 on a day when the barometric pressure is 725 mm Hg, and if the Paco2 is 50 mm Hg, what is the patients alveolar oxygen tension (PAo2)? A. 177 mm Hg B. 233 mm Hg C. 344 mm Hg D. 415 mm Hg
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%
In the healthy lung, when the alveolus decreases in size during a normal exhalation, the 1. surface tension decreases. 2. surfactant to alveolar surface area increases. 3. surface tension increases. 4. surfactant to alveolar surface area decreases. A. 1 only B. 3 only C. 4 only D. 1 and 2 only
Exercise can trigger symptoms of AMS due to which of the following? low partial pressure of oxygen low atmospheric pressure abnormal neural signals small venous reserve of oxygen
1.Which of the following is NOT a normal occurance with increasing age?A. Vital capacity of the lung decreases.B. Residual volume increasesC. Functional residual capacity increasesD. Inspiratory capacity decreasesE. Expiratory reserve volume increases 2. Which of the following concerning average lung volumes and capacities of a personat rest is TRUE?A. TLC > VC > TV > FRCB. TLC > FRC > VC > TVC. TLC > VC > FRC > TVD. TLC > FRC > TV > VC 3. In a normal healthy individual with a total lung capacity of 6 liters:A. The tidal volume at rest is about 1 liter.B. The functional residual capacity would be about 2 liters.C. The expiratory reserve volume at rest would be about 2 liters.D. The FEV, would be equivalent about 1.5 liters. 4. Which of the following combine to make up Functional Residual Capacity (FRC)?A. Tidal Volume (TV)B. Vital Capacity (VC)C. Inspiratory Reserve Volume (IRV)D. Expiratory Reserve Volume (ERV) 5. The sum of the four primary lung…
10. 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).