Nine amino acids cannot be synthesized in adequate amounts in the human body and are therefore considered

A general principle for paramedics to follow regarding advance directives is that you should:

a. always follow the family's wishes. b. accept verbal DNR orders from other health care providers. c. when in doubt, resuscitate. d. under no circumstances accept any DNR order in the prehospital setting.

When was positive end expiratory pressure (PEEP) first introduced to treat patients with acute respiratory distress syndrome?

a. 1935 b. 1946 c. 1958 d. 1967