221. Among The infectious diseases transmitted by food, one is___________________?
A. Viral stomatitis
B. Diptheria
C. Tuberculosis
D. Typhoid fever
✅ The correct answer is option Typhoid fever.
Microbiology MCQs
222. Which of the following methods is adopted for screening HIV infection ?
A. Virus isolation
B. Western blot followed by ELISA
C. ELISA followed by western blot technique
D. Polymers chain reaction
✅ The correct answer is option ELISA followed by western blot technique.
223. The best method of sterilization of dressing powder is_____________?
A. Autoclaving
B. Hot air oven
C. Inspissation
D. Tyndallization
✅ The correct answer is option Hot air oven.
224. Australia antigen is associated with________________?
A. Hepatitis B surface antigen in acute hepatitis
B. AIDS
C. Chronic leukemia
D. Basal cell carcinoma
✅ The correct answer is option Hepatitis B surface antigen in acute hepatitis.
225. Organism most frequently associated with urinary tract infections is_________________?
A. Neisseria gonorrhea
B. Escherichia coli
C. T-strain mycoplasma
D. Streptococcus fecalis
✅ The correct answer is option Escherichia coli.
226. Active artificial immunization is induced by the administration of all of the following EXCEPT______________?
A. Bacterial products
B. Toxoids
C. Vaccines
D. Antitoxins
✅ The correct answer is option Antitoxins.
227. Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________?
A. ELISA
B. Western blot
C. P24 antigen
D. Lymph node biopsy
✅ The correct answer is option P24 antigen.
228. Wasserman test test is diagnostic of__________________?
A. Syphilis
B. Gonorrhea
C. TB
D. Tyhoid
✅ The correct answer is option Syphilis.
229. All the following amoeba live in the large intestine except_________________?
A. coli
B. nana
C. A. gingivalis
D. B. histolytica
✅ The correct answer is option gingivalis.
230. The best skin disinfectant is________________?
A. Chlorhexdine
B. Alcohol
C. Savlon
D. None of the above
✅ The correct answer is option Chlorhexdine.