The results of pulmonary function testing show a normal total lung capacity and decreased, but reversible, FEV1 and FEV25-75. The patient is a 22-year-old, nonsmoking man with a history of intermittent noisy breathing.
Which of the following is most likely the cause of his problem?
a. Asthma c. Pulmonary fibrosis
b. Emphysema d. Severe restrictive pulmonary disease
Q. 2 Secretions in the airway of a mechanically ventilated patient could be indicated by a(n):
a. increase in inspiratory capacity.
b. increase in breathing frequency.
c. increase in peak inspiratory pressure.
d. decrease in forced expiratory flow rates.
Q. 3 What is the minute volume of a patient if her respiratory rate is 12 breaths/min and her tidal vol-ume is 750 mL?
a. 0.06 L c. 6.25 L
b. 9.00 L d. 9.00 L
Q. 4 Increased alveolar ventilation is associated with which of the following?
a. Hyperthermia c. Decreased meta-bolic rate
b. Bronchospasm d. Respiratory muscle fatigue
Q. 5 Which of the following devices can a patient with asthma use in the home to monitor daily varia-tions in Raw?
a. Thermal flowmeter c. Screen pneumo-tachograph
b. Fleisch pneumo-tachograph d. Vortex ultrasonic flowmeter
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