An external cause code is used when a patient has:

Cardiovascular changes in the elderly include _____ cardiac output

Fill in the blank(s) with correct word

What occurs when a patient is breathing very rapidly and shallowly?

A. Minute volume increases because of a marked increase in both tidal volume and respiratory rate. B. Air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange. C. Air is forcefully drawn into the lungs due to the negative pressure created by the rapid respirations. D. The majority of tidal volume reaches the lungs and diffuses across the alveolar- capillary membrane.