An infant's head must maintain a(n) ________________ position during airway assessment so that her airway remains open

The gold standard, used by most laboratories for detection of Rickettsia spp., is

A) indirect immunofluorescence. B) immunoperoxidase. C) latex agglutination. D) cell line culture.

Which of the following is an alphabetic list of telephone customers?

A. Fax machine B. Email C. Answering service D. Telephone directory