Microbiology

A. Base lines differ depending on the endemicity of the disease
B. O antibodiest last longer and hence is not indicative of recent infection
C. H antigen cannot differentiate between subtypes
D. High titre value in a single widal test is not confirmative

A. Faeces & urine of rodents is the cause
B. Onset of IgM in 2 days
C. Incubation period is 10 days
D. It is sensitive to penicillin

A. Invasion
B. Endotoxin
C. Exotoxin
D. Capsule

A. Ulcerative gingivostomatitis
B. Caused due to malnutrition
C. A symbiotic infection
D. Caused by leptospira interrogans

A. Rheumatoid arthritis
B. Typhoid fever
C. Rheumatie fever
D. Rickettsial fever

A. Synovial fluid
B. Myocardium
C. Cardiac valves
D. Vascular intima

A. Clostridium botulinum
B. Clostridium welchii
C. Clostridium tetani
D. Clostridium difficile

A. ADP – ribosylation of the G regulatory protein
B. Inhibition of adenyl cyclase
C. Activation of GTPase
D. Active absorption of NaCI

A. Cardioli
B. Plasminogen
C. Palmityl lecithin
D. Serine

A. Incubation period of 24 hours
B. Requires immediate antibiotics
C. Common with dairy products
D. Heat labile enterotoxin