Cocci and Bacilli

Which of the following correctly describes Staph epidermidis?

A box of meat prepared by a person with a boil on his neck is left out of refrigerator. 3 persons became violently ill after eating the sandwiches. The most likely cause is:

Quellung test is used for identification of:

A young man crashes his bicycle injuring one leg, bacteria from the wound and blood culture are isolated and identified. Osteomyelitis is diagnosed. The most common causative organism is:

A 22 year old female presents with fever, right knee swelling . Her joint aspirate shows gram negative diplococci. What is the most common cause of the patient septic arthritis?

Active immunization against diptherira :

Which of the following is true about Listeria monocytogens?

A 53 year old farmer has a circular lesion of black eschar surrounded by edema (malignant pustule). Gram stain shows gram positive bacilli in chains. Which is false about this organism?

Pathogenicity of B.anthracis is due to:

Immunity against Listeria monocytogens is mainly:

Pseudomembranous colitis is mailnly diagnosed by:

Pathogenesis of which of the following includes retrograde axonal transport?

Rapid test for diagnosis of gas gangrene:

Which is not capsulated?

Diagnostic titer of Enteric fever in widal test :

A gram negative, oxidase positive bacillus that can grow at 42 degree causes cough and greenish sputum on smoke inhalation produces a toxin that works by:

Gullian Barre syndrome is a complication of:

A 63 year old man eats poorly cooked seafood (oysters). 24 hours later, he develops fever and bloody diarrhea. He is positive for curved rod bacteria which is:

Diagnostic titer in Brucella:

The main component of H.influenza type B vaccine :