ABSTRACT
A. Non-specific defense mechanisms are primarily involved
B. Cell-mediated responses are solely responsible C. Antibody-mediated immunity is solely responsible D. Both cell-mediated and antibody-mediated
mechanisms are involved, with the antibodies being relatively more important
E. Both cell-mediated and antibody-mediated mechanisms are involved, with the cell-mediated mechanisms being more important
254. Post-polio syndrome (PPS) is described by all of the following statements EXCEPT:
A. Occurs only in those who have had prior poliomyelitis
B. The incidence of PPS is higher among women C. About 30 years elapse between primary disease and
PPS D. PPS is characterized by fatigue and pain in muscles
affected by primary disease E. Poliovirus can be isolated from patients
B is correct. Coxsackie B virus serotypes are associated with neonatal encephalomyocarditis (often acquired during birth) and myocarditis or pericarditis in adults.