The body's mechanism for conducting air in and out of the lungs is known as which of the
following?
→ -:- Spontaneous ventilation
2. Which of the following are involved in external respiration?
→ -:- Alveoli and pulmonary capillaries
3. All of the following could be the cause of a paitent...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/2025
RSCR242 - Exam 1 Pilbeam CH1-5
Questions and Correct Answers | Latest
Update
1. The body's mechanism for conducting air in and out of the lungs is known as which of the
following?
→ -:- Spontaneous ventilation
2. Which of the following are involved in external respiration?
→ -:- Alveoli and pulmonary capillaries
3. All of the following could be the cause of a paitent's peak pressure increasing from 35 to
45 cm H2O except
Bronchospasm
Resolving pulmonary edema
The patient biting on the endotracheal tube
Secretions in the airway
→ -:- Resolving pulmonary edema
4. The pressure required to maintain alveolar inflation is known as which of the following?
a. Transairway pressure (PTA )
b. Transthoracic pressure (PTT)
c. Transrespiratory pressure (PTR)
d. Transpulmonary pressure (PL)
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→ -:- d. Transpulmonary pressure (PL)
5. The term used to describe the tendency of a structure to return to its original form after
being stretched or acted on by an outside force is which of the following?
a. Elastance
b. Compliance
c. Viscous resistance
d. Distending pressure
→ -:- A Elastance
6. The condition that causes pulmonary compliance to increase is which of the following?
a. Asthma
b. Kyphoscoliosis
c. Emphysema
d. Acute respiratory distress syndrome (ARDS)
→ -:- C Emphysema
7. Use this figure to compute the static compliance (CS) for an intubated patient with an
exhaled tidal volume (VT) of 500 mL.
a. 14 mL/cm H2O
b. 20 mL/cm H2O
c. 33 mL/cm H2O
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d. 50 mL/cm H2O
→ -:- D 50mL/cn H2O
8. The ventilator that functions most physiologically uses which of the following?
a. Open loop
b. Double circuit
c. Positive pressure
d. Negative pressure
→ -:- D Negative pressure
9. Plateau pressure (Pplateau) is measured during which phase of the ventilatory cycle?
a. Inspiration
b. End-inspiration
c. Expiration
d. End-expiration
→ -:- B End-inspiration
10. Calculate airway resistance (Raw) for a ventilator patient, in cm H2O/L/sec, with the
following information: Peak inspiratory pressure (PIP) is 20 cm H2O, plateau pressure
(Pplateau) is 15 cm H2O, PEEP is 5 cm H2O, and set flow rate is 50 L/min.
a. 5 Raw
b. 6 Raw
c. 10 Raw
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