A major diagnostic criterion for generalized anxiety disorder is:
a. Anxiety that persists for 30 minutes in each episode
b. Anxiety that includes hyperventilation
c. Anxiety that persists for 6 months
d. Anxiety that is caused only by a genetic or familial factor
ANS: C
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A 12-lead ECG may be used to triage patients into which of the following groups?
A) ST-segment elevation B) Nondiagnostic C) New left bundle branch block D) All of the above
Which statement about the flow-restricted, oxygen-powered ventilation device is true?
A) "It can be used to ventilate spontaneously breathing patients whose breathing is too shallow." B) "It is an effective tool by which children can be ventilated when they are apneic." C) "It has a safety valve that prevents lung damage from overinflation." D) "It is very easy to use and has almost no complications associated with its use."