What would the ventilation-perfusion ratio equal if the pulmonary blood flow is 5.4 L/min and the alveolar tidal volume is 350 mL, and the respiratory rate is 12/min?

When the serum concentration levels of a drug reach less than 3 percent, it is considered:

a. Ready to interact with target cells. b. To be removed from the body. c. To be have reached the ceiling. d. Antagonistic.

The rhythm in which the waveforms appear as disorganized, rapid, irregular waves whose morphology vary vastly is ventricular:

A. tachycardia. B. asystole. C. fibrillation. D. standstill.