Mastering CH 23 – Flashcards

A patient has a skin ulcer from which a gram-negative bacillus is cultured. This patient has regional lymph nodes that are enlarged and filled with pockets of pus. He reports keeping pet rabbits. Which of the following is a possible diagnosis? a) tularemia b) puerperal sepsis c) anthrax d) relapsing fever

In which of the following North American locations would you expect to find the highest incidence of infection with Borrelia burgdorferi? a) Atlantic coast b) Gulf of Mexico c) Pacific coast d) Colorado

Which of the following is FALSE concerning Clostridium species? a) They grow only in anaerobic environments. b) Their main reservoir is rabbits. c) They can cause gas gangrene and septicemia. d) They grow well in damaged tissues that are necrotic and have impaired blood flow.

Which statement regarding the emerging viral hemorrhagic fevers is FALSE? a) A person may contract Lassa fever after exposure to the urine of an infected rodent. b) Later symptoms of hemorrhagic viral infection include low-grade fever and severe, crippling joint pains. c) Hemorrhagic viruses cause profuse bleeding, and this helps to spread the infection. d)The symptoms of infection by hemorrhagic viruses are initially mild.

The development of which disease is promoted by mosquito-borne malarial infections? a) Hodgkin's disease b) infectious mononucleosis ("mono") c) cytomegalovirus (CMV) infection d) Burkitt's lymphoma

Which disease, resulting in damage to the heart muscle or the nerves controlling peristalsis in the gastrointestinal tract, is transmitted by the reduviid bug? a) babesiosis b) Chagas' disease c) malaria d) leishmaniasis

Cats have been identified as an essential part of the life cycle for the protozoan that causes which disease? a) toxoplasmosis b) malaria c) babesiosis d) Chagas' disease

Which of the following is NOT a recognized form of anthrax? a) gastrointestinal b) cutaneous c) inhalationial d) septic

Arthropods can serve as a reservoir for all of the following diseases EXCEPT a) malaria. b) brucellosis c) plague. d) yellow fever.

Which of the following bacterial infections CANNOT be transmitted by dog or cat bites? a) Pasteurella multocida b) Streptobacillus c) Fusobacterium d) Bartonella henselae