Which one of the following statements made by an AEMT shows an understanding of chest trauma?
A) "Closed chest injuries are caused by blunt trauma, and can be just as serious as open chest injuries."
B) "Open chest injuries are more serious than closed chest injuries, because air and bacteria can enter the chest through the open wound."
C) "In general, an open chest injury caused by blunt trauma is more life-threatening than a closed one due increased blood loss."
D) "Closed chest injuries are caused by penetrating trauma and cause more life-threatening injuries than do open chest injuries."
A
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Which of these statements about how sinus arrhythmia differs from wandering atrial pacemaker is TRUE?
A) Sinus arrhythmia has a heart rate of less than 100; wandering atrial pacemaker has a rate greater than 100. B) Sinus arrhythmia is lethal; wandering atrial pacemaker is benign. C) Sinus arrhythmia has uniform P wave shapes; wandering atrial pacemaker has at least three different shaped P waves. D) Sinus arrhythmia has a regular rhythm; wandering atrial pacemaker is irregular.
Immunizations only occur in childhood
Indicate whether the statement is true or false