Which of the following statements describes the main virulence factor of E.coli O157:H7?
A) A pathogen-encoded exotoxin
B) A bacteriophage-encoded exotoxin
C) An endotoxin used for host attachment
D) A coagulase for host clotting
E) A hemolysin for red blood cell destruction
Correct Answer:
Verified
Q8: All of the following are characteristics of
Q9: Which organ of the GI tract has
Q9: Orchitis and epididymitis are seen in young,adult
Q10: Helicobacter pylori causes _.
A)gastritis
B)duodenal ulcers
C)stomach ulcers
D)increased risk
Q11: Salmonelloses are _.
A)not caused by Salmonella typhi
B)associated
Q12: Escherichia coli infections _.
A)are often transmitted by
Q14: E.coli O157:H7 characteristics include all the following
Q14: Defenses of the GI tract against pathogens
Q15: Which is not a characteristic of Helicobacter
Q16: Shigella species have the following characteristics except
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