Which of the following pathophysiologic conditions can increase both the peak inspiratory pres-sure and the Pplateau of a ventilated patient?
a. Asthma c. Kyphoscoliosis
b. Atelectasis d. Pulmonary intersti-tial fibrosis
ANS: A
An asthma exacerbation causes bronchospasm, which increases Raw, thereby triggering an in-crease in peak inspiratory pressure without an increase in Pplateau.
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Regarding the use of emergency sirens, which of the following is false?
A) EMTs should assume that other drivers cannot hear the siren. B) Dense shrubbery may block the sound of the siren. C) Ambulance operators are not affected by siren noise. D) The sound of the siren may increase the patient's anxiety.
What is the MOST common cause of airway obstruction in an unconscious patient?
A. vomitus B. the tongue C. blood clots D. aspirated fluid
All the following characteristically occur in patients younger than 20 years except:
a. Traumatic bone cyst b. Adenomatoid odontogenic tumor c. Ameloblastic fibroma d. Compound odontoma e. Ameloblastoma
A proliferating trichilemmal cyst is reported with code _____
Fill in the blank(s) with correct word