Test Bank - Pilbeam’s Mechanical Ventilation-Physiological and Clinical Applications, 7th Edition (Cairo, 2025)latest edition

Test Bank for Pilbeams
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Mechanical Ventilation
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bb 7th Edition by
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bb Cairo.pdf

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,Chapter 1; Basic Terms and Concepts of Mechanical Ventilation
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Test Bank
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MULTIPLE CHOICE bb




1. The body’s mechanism for conducting air in and out of the lungs
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is known as which of the following?
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a. External respiration bb




b. Internal respiration bb




c. Spontaneous ventilation bb




d. Mechanical ventilation bb




ANS: C bb




The conduction of air in and out of the body is known as
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ventilation. Since the question asks for the body’s mechanism,
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this would be spontaneous ventilation. External respiration
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involves the exchange of oxygen (O2) and carbon dioxide (CO2)
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between the alveoli and the pulmonary capillaries. Internal
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respiration occurs at the cellular level and involves movement
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of oxygen from the systemic blood into the cells.
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DIF: 1 REF: b b pg. 3 bb




2. Which of the following are involved in external respiration?
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a. Red blood cells and body cells bb bb bb bb bb




b. Scalenes and trapezius bb bb



muscles
c. Alveoli and pulmonary bb bb



capillaries
d. External oblique and bb bb



transverse abdominal muscles b b b b




ANS: C bb




External respiration involves the exchange of oxygen and carbon
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dioxide (CO2) between the alveoli and the pulmonary capillaries.
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Internal respiration occurs at the cellular level and involves
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movement of oxygen from the systemic blood into the cells.
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Scalene and trapezius muscles are accessory muscles of
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inspiration. External oblique and transverse abdominal muscles
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are accessory muscles of expiration.
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, DIF: 1 REF: b b pg. 3 bb




3. The graph that shows intrapleural pressure changes during
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normal spontaneous breathing is depicted by which of the
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following?
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a.
b.
c.
d.


ANS: B bb




During spontaneous breathing the intrapleural pressure drops
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from about -5 cm H2O at end-expiration to about -10 cm H2O
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at end-inspiration. The graph depicted for answer B shows
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that change from -5 cm H2O to -10 cm H2O.
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DIF: 1 REF: b b pg. 4 bb




4. During spontaneous inspiration alveolar pressure (PA) is about:
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.
a. - 1 cm H2O bb bb bb




b. + 1 cm H2O bb bb bb




c. 0 cm H2O bb bb




d. 5 cm H2O bb bb




ANS: A bb




-1 cm H2O is the lowest alveolar pressure will become during
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normal spontaneous ventilation. During the exhalation of a
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normal spontaneous breath the alveolar pressure will become
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+1 cm H2O.
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DIF: 1 REF: b b pg. 3 bb




5. The pressure required to maintain alveolar inflation is known as
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which of the following?
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a. Transairway pressure (PTA ) bb bb bb




b. Transthoracic pressure (PTT) bb bb




c. Transrespiratory pressure (PTR) bb bb