Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 15, Problem 2CAQ1
Case 2
1. Why was a PEEP of 5 cm H2O the "best PEEP" in this case?
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2. During mechanical ventilation of a patient with CHF, the PaO2 = 38 mm Hg and the FIO2 = 0.6. If the desired PaO2 is 60 mm Hg, the FIO2 needs to be changed to which of the following?a. 0.65b. 0.75c. 0.85d. 0.95
1. During mechanical ventilation of a patient with COPD, the PaO2 = 58 mm Hg and the FIO2 = 0.5. If the desired PaO2 is 65 mm Hg, the FIO2 needs to be changed to which of the following?a. 0.44b. 0.56c. 0.65d. 0.74
Chapter 15 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQ
Ch. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - Prob. 13RQCh. 15 - 14. Which of the following decreases an...Ch. 15 - Prob. 15RQCh. 15 - Prob. 1CAQ1Ch. 15 - Prob. 1CAQ2Ch. 15 - Case 1
3. Why did the patient's PCWP, Cl, SVR, and...Ch. 15 - Case 2
1. Why was a PEEP of 5 cm H2O the "best...Ch. 15 - Prob. 2CAQ2
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- Case 1 4. The negative trans mural pressure in this case was offset by (1) ______________________________________ and (2) _______ ____________________________________________________ ____________________________________________________arrow_forward9. Which of the following states that the rate of gas diffusion is inversely proportional to the weight of the gas? A. Graham’s law B. Charles’ law C. Henry’s law D. Gay-Lussac’s lawarrow_forwardCase 1 Because this patient's ribs were broken on the right side, his right chest (bulged outward _____; caved inward_____) during each inspiration.arrow_forward
- Normally, the percentage of the total volume exhaled during an FEV1 by a 20-year-old individual is A. 60% B. 83% C. 94% D. 97%arrow_forwardCase 2 The patient's fatigue and respiratory rate of 6 breaths/min further caused the ventilation- perfusion ratio to (______rise;________ fall).arrow_forward6. Record experimental respiratory volumes as determined in the laboratory. Average TV ml Average VC ml Average ERV ml Average IRV mlarrow_forward
- 3. Thirty minutes after intubation and initiation of mechanical ventilation, a patient’s PaO2 = 55 mm Hg and the FIO2 = 0.5. To what should the FIO2 be set to obtain a PaO2 of 80 mm Hg?a. 0.65b. 0.75c. 0.85d. 0.95arrow_forward5. Which of the following breathing techniques "locks out" the patient's attempt to breathe?a. Controlled Mandatory Ventilation (CMV)b. SIMVc. Assist Control Moded. Pressure support modearrow_forward10. 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).arrow_forward
- 5. If a patient's PaO2 is 55 mm Hg 30 minutes after intubation and the start of mechanical ventilation, and the FIO2 is at 0.5, at what setting should the FIO2 be adjusted to achieve a PaO2 of 80 mm Hg?a. 0.65 b. 0.75 c. 0.85 d. 0.95.arrow_forward4. Which of the following modes of ventilation ‘lock out’ the patient’s effort to breathea. Controlled Mandatory Ventilation (CMV)b. SIMVc. Assist Control Moded. Pressure support modearrow_forward2 W S → *3 # e d The apex of the lung is in close proximity to superior part of your neck vs inferior part of neck. O True C O False C $ 4 f % 5 t g Oll 6 acer b h 87 & C u * 00 8 j O i E 9 k 4⁰ O V O Ĵ Parrow_forward
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