When installing portable fire extinguishers, clearance between the bottom of the extinguisher and the floor should never be less than:

CMV infections complicate transplants by which of the following mechanisms?

a. Suppress normal immune function and elicit the formation of autoantibodies that are lymphocytotoxic b. Form antibodies to CMV-infected cells that cross-react with stem cells c. Impair mitotic division of normal hematopoietic cells and stimulate neoplastic cells to proliferate d. Stimulate antibodies against RBCs resulting in an autoimmune hemolytic anemia

In which of the following diseases is measurement of brain type natriuretic peptide (BNP) is most useful?

A. AMIs B. Tachycardia C. Congestive heart failure D. Pericarditis