A 30 year old woman with a bad obstetric history presents with fever. The blood culture from the patient grows gram—positive small to medium coccobacilli that are pleomorphic,
Regarding gas gangrene one of the following is correct: A. It is due to Clostridium Botulinum infection B. Clostridial species are gram—negative spore forming anaerobes C. The clinical
A farmer presenting with fever off-and on for the past 4 years was diagnosed to be suffering from chronic brucellosis. All of the following serological tests would be
A man, after skinning a dead animal, developed a pustule on his hand. A smear prepared from the lesion showed the presence of Gram positive bacilli in long
Toxins are implicated as the major pathogenetic mechanism in all of the following bacterial diarrhoeas except? A. Vibrio cholerae B. Shigella sp. C. Vibrio parahaemolyticus D. Staphylococcus aureus
A microbiologist wants to develop a vaccine for prevention of attachment of diarrhoeagenic E. coli to the specific receptors in the gastro-intestinal tract. All of the following fimbrial
Which of the following toxins acts by inhibiting protein synthesis A. Cholera toxin B. Shiga toxin C. Pertussis toxin D. LT of enterotoxigenic E.coli Correct answer : B.
Which of the following statements is true about hapten? A. It induces brisk immune response B. It needs carrier to induce immune response C. It is a T-independent
Adenosine deaminase (enzyme) deficiency is associated with: A. Severe combined immunodeficiency (SCID) B. X-linked agammaglobulinemia C. Transient hypogarnmaglobulinemia of infancy D. Chronic granulomatous disease Correct answer : A.
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