What is the primary pathophysiologic mechanism in alveolar hypoventilation?
a. Decreased minute ventilation
b. Increased ventilation/perfusion ratio
c. Decreased venous admixture
d. Decreased inspired oxygen pressure
A
Alveolar hypoventilation would result from a decreased minute ventilation. Among the many possible causes are oversedation, head trauma, drug overdose of respiratory depressants, and myasthenia gravis.
You might also like to view...
An 86-year-old male has had a sudden change in mental status and is repeatedly striking a fist against his leg. When you question him, he does not respond. This presentation is most consistent with what condition?
A) Seizure B) Dementia C) Stroke D) Delirium
A radiographer is performing an AP knee radiograph using AEC. The manual technique for this exam would be 12 mAs at 80 kVp. The backup mAs the radiographer should set would be
a. 6 mAs. b. 12 mAs. c. 18 mAs. d. 24 mAs.