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The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is ________.
Q2: The presence of coliforms necessarily indicates the
Q16: Lead aVR's positive electrode is located on
Q19: There are cities in the United States
Q19: The gram-negative bacillus associated with abscesses from
Q22: If there is artifact in leads II,III,and
Q24: Mumps causes permanent sterility in young male
Q40: Which valves open to allow the ventricles
Q55: The normal rate of the sinus node
Q76: The RN assists in educating the patient's
Q103: All nucleated cells contain _.<br>A)class I MHC<br>B)class