2151. Rapid diagnosis of Tuberculosis is possible with_______________?
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A. Giemsa stain

B. Ziel Nelson

C. Kin Young stain

D. Auramine-Rhodamine stain
2152. Operation theatres are sterilized by_____________?
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A. Washing with soap and water

B. Formaldehyde fumigation

C. Carbolic acid spraying

D. ETO gas

2153. About Bacteroids True are all Except_______________?
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A. Susceptible to many antibiotics

B. Most common species is B fragilis

C. Bile resistant anerobes

D. Present mainly in mixed infections

2154. The major antiseptic value of soap lies in its ability to_____________?
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A. Dehydrate microbial cells

B. Remove microbes

C. Kill mircobes

D. Inhibit microbial growth

2156. Secretory piece of IgA is synthesized in______________?
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A. Mucosal epithelium

B. B-cells

C. T-cells

D. Lymph nodes

2157. Stain used to make the wetted area of filter paper strip more visible is_____________?
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A. Haemotoxin stain

B. Ninhydrin stain

C. Eosin stain

D. Blue stain

2158. Smith noguchis media is used for_______________?
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A. Klebsiella

B. Bacillus

C. Salmonella

D. Spirochetes
2160. Serum sickness syndrome is an example of________________?
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A. Cell-mediated immunity

B. Anaphylactic

C. Systemic arthus reaction

D. Angioneurotic edema

2161. The cell wall deficient bacteria_______________?
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A. Ehrlichiae

B. Mycoplasma

C. Rickettsiae

D. Chlamydiae

2164. Dry heat destroys microorganisms by_____________?
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A. Oxidation

B. Hydrolysis of DNA

C. Coagulation of proteins

D. Lysis

2165. Pathogenic treponemas can be maintained in________________?
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A. Rabbit testis only

B. Tissue culture

C. Chick embryos

D. Artificial media

2167. IL-1 and TNF a during inflammation are secreted by______________?
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A. Platelet

B. Lymphocytes

C. Activated macrophages

D. Plasma cells

2168. The key cell types involved in the acquired immunity include all EXCEPT________________?
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A. B lymphocytes

B. Erythrocytes

C. T lymphocytes

D. Antigen presenting cells (APC

2169. The anaphylaxis should be treated first with_____________?
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A. Antibiotics

B. Epinephrine

C. Anti histamines

D. Steroids

2170. Phase contrast microscopy is based on principle of__________________?
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A. Light attenuation

B. Different reflective indices of object

C. Light scattering

D. Different refractive indices of object
2172. Flash pasteurization of milk is done at what temperature______________?
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A. 72C for 5 minutes

B. 72 for 15 20 Sec

C. 125C for new seconds

D. 60C for 15 minutes

2174. The facultative anaerobic bacteria are those who are_______________?
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A. Unable to grow in the absence of oxygen

B. Able to grow in the presence of carbon dioxide

C. Unable to grow in the presence of oxygen

D. Able to grow in the presence of absence of oxygen
2175. Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
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A. Peptostreptococcus anaerobius

B. Fusobacterium nucleatum

C. All of the above

D. Bacteroides fragilis

E. Actinomyces Israeli

2177. Blood agar is________________?
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A. Simple media

B. Transport media

C. Differential media

D. Enriched media
2179. The earliest identifiable cells of T-Cell lineage during maturation are_______________?
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A. CD5+ Pre-T-Cells

B. CD8+ Pre-T-Cells

C. CD8+ Pro-T-Cells

D. CD7+ Pro-T-Cells
2181. Teichoic acid is present in cell walls of_________________?
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A. Yeast

B. Gram negative bacteria

C. Gram positive bacteria

D. Protozoa

2182. Which organism causes prosthetic valve endocarditis within 60 days of surgery________________?
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A. Streptococcus Viridans

B. Fungus

C. Staphylococcus aureus

D. Staphylococcus epidermis
2185. L.D bodies are seen in_______________?
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A. Kalahazar

B. Sleeping sickness

C. Malaria

D. Toxoplasmosis

2187. The prototype of Type II hypersensitivity reaction is__________________?
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A. Contact dermatitis

B. Auto immune hemolytic anemia

C. Arthus reaction

D. SLE

2188. Graft versus host reaction is caused by_________________?
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A. B-Lymphocytes

B. T-lymphocytes

C. Monocytes

D. Leukocytes

2189. The Process of attenuation can be achieved by all except___________________?
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A. Growing bacteria in adverse environment

B. Growing bacteria in unconventional host

C. Repeated cultures in artificial media

D. Serial passage in an experimental host
2190. Cold sterilization refers to the process of sterilization by use of______________?
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A. Infrared rays

B. Gamma rays

C. Ultra violet rays

D. Ultrasonic vibrations

2192. Amoebic liver abscess can be diagnosed by demonstratig________________?
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A. Cysts in the intestine

B. Trophozoites in the feces

C. Cysts in the sterile pus

D. Trophozoites in the pus
2193. Delayed tuberculin test response is due to_______________?
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A. Histiocytes

B. T lymphocytes

C. Monocytes

D. B lymphocytes

2195. Common inhabitant of throat and tonsils is______________?
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A. Pneumococci

B. Staphylococci

C. Beta hemolytic streptococci

D. Alpha hymolytic streptococci (S. viridans)
2200. Rickettsiae__________________?
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A. Multiply within living cell

B. All of the above

C. Respond to tetracycline therapy

D. Transmitted by arthropod vectors