231. Chemotactic cytokine is_________________?
A. IL-1
B. IL-6
C. IL-8
D. TNF
✅ The correct answer is option IL-8.
Microbiology MCQs
232. Glutaraldehyde is preferred more than formaldehyde because______________?
A. It has got more bactericidal activity
B. It has got more bacteriostatic activity
C. It has got no deleterious effect on the cement and lenses of instruments
D. Its application is easier
✅ The correct answer is option It has got no deleterious effect on the cement and lenses of instruments.
233. Antibody to HSV will begin to appear_____________________?
A. in a week and reach a peak in 3 weeks
B. only after one year
C. no antibodies are present in primary HSV
D. antibodies are present in recurrent and chronic apthous stomatitis
✅ The correct answer is option in a week and reach a peak in 3 weeks.
234. The type of immunoglobulin most commonly increased in multiple myeloma is_______________?
A. IgG
B. IgA
C. IgM
D. IgD
✅ The correct answer is option IgG.
235. A 6 year old boy comes with abdominal pain, vomiting after consuming mild products within 6 hours. The most likely organism responsible is______________?
A. Staph. aureus
B. Salmonella
C. B.Cereus
D. Clostridium botulinum
✅ The correct answer is option Staph. aureus.
236. HIV is transmitted by all of the following routes except________________?
A. Saliva
B. Needle prick injury
C. Blood transmission
D. Sexual intercourse
✅ The correct answer is option Saliva.
237. The function of IgD is______________?
A. Antigen recognition by B cells
B. Localization protection in external secretion
C. Compliment activation
D. Reagin activity
✅ The correct answer is option Antigen recognition by B cells.
238. Haptane is_______________?
A. Same as epitopes
B. Carrier required for specific antibody production
C. High molecular protein
D. None of the above
✅ The correct answer is option Carrier required for specific antibody production.
239. The inflammatory type of tinea capitis with superadded secondary bacterial infection leading to a painful, circumscribed, boggy, and indurated lesion, is called_____________?
A. Kerison
B. Alopecia areata
C. Pilomatrixoma
D. Tenia incognito
✅ The correct answer is option Kerison.
240. Rapid diagnosis of Tuberculosis is possible with_______________?
A. Ziel Nelson
B. Kin Young stain
C. Auramine-Rhodamine stain
D. Giemsa stain
✅ The correct answer is option Auramine-Rhodamine stain.