All of the following statements about spirochetes are true EXCEPT that
A. Endemic relapsing fever is caused by mosquito bites from infected rodents
B. Lyme disease is caused by tick bites from infected deer
C. B. recurrentis causes a cyclic disease with relapses due to its antigenic variations
D. In relapsing fever, routine blood smears can reveal infecting spirochetes
Answer:A
All of the following statements about spirochetes are true EXCEPT that
A. Endemic relapsing fever is caused by mosquito bites from infected rodents B. Lyme disease is caused by tick bites from infected deer C. B. recurrentis causes a cyclic disease with relapses due to its antigenic variations D. In relapsing fever, routine blood smears can reveal infecting spirochetes