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All are true about widel test except________________________?

(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

Submitted By: Ali Uppal


Lepromin test is useful for________________?

(A) Diagnosis

(B) Prognosis

(C) Treatment plan

(D) Epidemiology

Submitted By: Ali Uppal


About Psedomonas. All are true except________________?

(A) Strick aerobes

(B) Can grow in disinfectants in hospital

(C) Infection is mostly due to endogenous source

(D) Most common organism is burn patient

Submitted By: Ali Uppal


Salivary peroxidise system is known to be effective agianst________________?

(A) Actinomyces viscosus

(B) Lactobacillus acidophilus

(C) Streptococcus mutans

(D) Veilonella parvula

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Black pigmented anaerobes include all of the following except______________?

(A) Tannerella

(B) Porphyromonas

(C) Buccae

(D) Prevotella

Submitted By: Ali Uppal


Among The infectious diseases transmitted by food, one is___________________?

(A) Viral stomatitis

(B) Diptheria

(C) Tuberculosis

(D) Typhoid fever

Submitted By: Ali Uppal


Which of the following fulfil all the criterias of kich’s postulates ?

(A) Treponema pallidum

(B) Mycobacterium leprae

(C) N. gonorrhoeae

(D) None of the above

Submitted By: Ali Uppal


The mechanism of genetic transfer where a phage serves as a vehicle is_______________?

(A) Transduction

(B) Translation

(C) Lysogeny

(D) Conjugation

Submitted By: Ali Uppal


Fimbriae are demonstrated by ___________________?

(A) Culture

(B) Gram stain

(C) Biochemical reaction

(D) Haemagglutination test

Submitted By: Ali Uppal