Which skin cancer rarely spreads to other tissues? 

Filtration membranes allow the passage of:

A) water, ions, and glucose. B) blood cells and plasma proteins. C) water, amino acids, and most plasma proteins. D) plasma proteins but not blood cells.

What are the causes of continued ventilator dependency in a patient whose respiratory failure stabilizes and begins to reverse? I. gas exchange concerns II. mechanical issues III. inappropriate ventilator settings IV. inability to ascertain time to initiate weaning

A. I, II only B. III, IV only C. I, III, IV only?D. I, II, III, IV