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IMPO

1.        contains HB sAg in envelope? A.         Hepatitis B virus 2.        viruses has a double stranded DNA ? 2. replication of the hepatitis D virus? 2.  surface antigen and usually provides immunity . A.       Hepatitis B virus 3.     viruses is transferred by fecal –oral route? A.     Hepatitis A virus B. E virus 4.   most accurate to the structure of the Influenza virus A single – stranded segmented RNA 5. most accurate to the pathogen of the Mumps? A single-stranded, nonsegmented RNA 6. HBV infectivity and DNA polymerase activity? HBeAg 7.  most accu­rate to the pathogen of the Measles ? A single-stranded, negative-sense RNA 8. viral marker detected after hepatitis B infection?  8. peripheral circulation? HBcAg

Which of the virulence factors are characterized of S.pyogenes?

C.         hya luronidase E.          py rogenic exotoxin G.         streptoly sins

Which of the virulence factors are characterized of S.aureus?

A.         enter otoxin A.         scalded skin syndrome toxin (SSST   toxic shock syndrome toxin (TSST)

Which of the virulence factors are characterized of S.aureus?

A.         ex foliatin E.          Panton Valentin e toxin F.          Protein A

Which of the following diseases are caused by Group A streptococci ?

A.         acute glomer ulonephritis E.          rheumatic fever   Scarlet fever 

Which of the following diseases are caused by Group A streptococci?

C.         erysipelas E.          pharingitis   rheumatic fever

Which of the following diseases are caused by S.aureus?

D.         food poisining E.         os teom yelitis   toxic shock syndrome