The protective membranes covering the brain and spinal cord are the:

The overall purpose of HIPAA transactions and code set rules is to:

A. require that all claims be submitted in exactly the same electronic format. B. limit the number of methods that can be used for file encryption. C. standardize the electronic exchange of protected health information (PHI). D. authorize certain organizations to act as claims clearinghouses.

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?

A. 0.54 B. 0.85 C. 0.66 D. 0.78