Which patient setting has the least risk of patient-to-patient transmission?

A high cardiac output can cause which of the following complications with a pulmonary artery catheter?

a. Pneumothorax b. Catheter whip c. Pulmonary infarction d. Catheter knotting

Infection due to Brucella spp. is often slow to develop, long term, and displaying periodicity. This can be explained by the organism's ability to

A) change its surface antigens. B) colonize the upper respiratory tract prior to infection. C) travel and hide in the reticuloendothelial system. D) cause infection as the vaccine wanes in adults.