MCQOPTIONS
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MCQOPTIONS
This section includes 475 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The culture media for fungus is__________________? |
| A. | Tellurite medium |
| B. | NNN medium |
| C. | Chocolate agar medium |
| D. | Sabourauds medium |
| Answer» E. | |
| 152. |
The component that sensitizes bacteria and virus to UV irradiation_______________? |
| A. | Lipids |
| B. | Carbohydrates |
| C. | Inorganic salts |
| D. | Nucleic acids |
| Answer» E. | |
| 153. |
The commonly used fluorescent dye in the detection of tubercie bacilli________________? |
| A. | Acridine orange |
| B. | Thioglavin |
| C. | Congo red |
| D. | Auramine and Rhodamine |
| Answer» E. | |
| 154. |
The commonest method of detection of diptheria carriers is_______________? |
| A. | Schick test |
| B. | Dick test |
| C. | Casoni’s test |
| D. | Charles’ test |
| Answer» B. Dick test | |
| 155. |
The classic opportunistic infection in acquired immune deficiency syndrome is_____________? |
| A. | Apthous stomatitis |
| B. | Tuberculosis |
| C. | Pneumocystis carinii pneumonia |
| D. | Herpetic gingivostomatitis |
| Answer» D. Herpetic gingivostomatitis | |
| 156. |
The chemotactic factor is______________? |
| A. | C2a |
| B. | C3b |
| C. | C4a |
| D. | C5a |
| Answer» E. | |
| 157. |
The cell wall deficient bacteria_______________? |
| A. | Rickettsiae |
| B. | Mycoplasma |
| C. | Chlamydiae |
| D. | Ehrlichiae |
| Answer» C. Chlamydiae | |
| 158. |
The causative organism of syphilis is___________? |
| A. | Borrelia burgolorferi |
| B. | Chalamydia trachomatis |
| C. | Leptospira interrogans |
| D. | Treponema pallidum |
| Answer» E. | |
| 159. |
The causative organism for cat-scratch disease is______________? |
| A. | Chlamydia trachomatis |
| B. | Donovania granulomatis |
| C. | Bartonella henselae |
| D. | Hemophilia ducreya |
| Answer» D. Hemophilia ducreya | |
| 160. |
The binding site for complement on the IgG molecule is in the________________? |
| A. | VL domian |
| B. | CL domian |
| C. | CH1 domian |
| D. | CH2 domian |
| Answer» E. | |
| 161. |
The best way of detecting the presence of viruses in the infected cell – culture is____________? |
| A. | Cytopathic changes in culture cells |
| B. | Presence of viral protein in the infected monolayer |
| C. | Haemagglutination test |
| D. | Haemagglutination inhibition test |
| Answer» B. Presence of viral protein in the infected monolayer | |
| 162. |
The best sterilization method for a hand-piece is________________? |
| A. | Ethylene oxide gas |
| B. | dry heat |
| C. | chemical vapour |
| D. | All of the above |
| Answer» B. dry heat | |
| 163. |
The best skin disinfectant is________________? |
| A. | Chlorhexdine |
| B. | Alcohol |
| C. | Savlon |
| D. | None of the above |
| Answer» B. Alcohol | |
| 164. |
The best method of sterilization of dressing powder is_____________? |
| A. | Autoclaving |
| B. | Hot air oven |
| C. | Inspissation |
| D. | Tyndallization |
| Answer» C. Inspissation | |
| 165. |
The bacterial cell wall has all of the following properties except______________? |
| A. | It consists of a mixed polymer called peptidoglycon |
| B. | It is the structure principally responsible for the reaction of gram staining |
| C. | It is a unique flexible plastic structure |
| D. | It contains D-isomers of amino acids |
| Answer» D. It contains D-isomers of amino acids | |
| 166. |
The antigen used in Weil Felix test is obtained from________________? |
| A. | Pseudomonas |
| B. | coli |
| C. | Proteus |
| D. | Staphylococcus |
| Answer» D. Staphylococcus | |
| 167. |
The anaphylaxis should be treated first with_____________? |
| A. | Epinephrine |
| B. | Steroids |
| C. | Anti histamines |
| D. | Antibiotics |
| Answer» B. Steroids | |
| 168. |
Secretory piece of IgA is synthesized in______________? |
| A. | T-cells |
| B. | B-cells |
| C. | Lymph nodes |
| D. | Mucosal epithelium |
| Answer» E. | |
| 169. |
Secretory Ig is_______________? |
| A. | IgA |
| B. | IgE |
| C. | IgM |
| D. | IgD |
| Answer» B. IgE | |
| 170. |
Secondary response is mediated by_______________? |
| A. | IgG |
| B. | IgA |
| C. | IgM |
| D. | IgE |
| Answer» B. IgA | |
| 171. |
Sclerotic bodies measuring 3-5m in size, multi-septate, chestnut, brown color is characteristic of________________? |
| A. | Histoplasmosis |
| B. | Rhinosporodiosis |
| C. | Phaeohypomycosis |
| D. | Chromoblastomycosis |
| Answer» E. | |
| 172. |
Schuffner’s dots are seen in infection due to_______________? |
| A. | Plasmodium falciparum |
| B. | Plasmodium vivax |
| C. | Plasmodium malariae |
| D. | Plasmodium ovale |
| Answer» C. Plasmodium malariae | |
| 173. |
Same or closely related antigens present in different biological species are known as________________? |
| A. | Suquestrated antigens |
| B. | Isoantigens |
| C. | Haptens |
| D. | Heterophile antigens |
| Answer» E. | |
| 174. |
Salmonella typhi can be isolated at different times from______________? |
| A. | Feaces |
| B. | Blood |
| C. | Urine |
| D. | All of the above |
| Answer» E. | |
| 175. |
Salivary protein, which prevents transmission of human immunodeficiency virus via saliva, is____________? |
| A. | Sialoperoxidase |
| B. | Secretory IgA |
| C. | Salivary leukocyte proteinase inhibitor |
| D. | Histidine rich proteins |
| Answer» D. Histidine rich proteins | |
| 176. |
Salivary peroxidise system is known to be effective agianst________________? |
| A. | Actinomyces viscosus |
| B. | Lactobacillus acidophilus |
| C. | Streptococcus mutans |
| D. | Veilonella parvula |
| Answer» C. Streptococcus mutans | |
| 177. |
Robertsons cooked meat medium is best suited for cultivation of_______________? |
| A. | Clostridia |
| B. | S. epidermidis |
| C. | Choleria |
| D. | Mycobacterium |
| Answer» B. S. epidermidis | |
| 178. |
Rickettsiae__________________? |
| A. | Multiply within living cell |
| B. | Transmitted by arthropod vectors |
| C. | Respond to tetracycline therapy |
| D. | All of the above |
| Answer» E. | |
| 179. |
Rideal Walker test is used to determine the efficiency of the_____________? |
| A. | Disinfectant |
| B. | Moist heat sterilisation |
| C. | Antibiotics |
| D. | Dry heat sterilization |
| Answer» B. Moist heat sterilisation | |
| 180. |
Rh incompatibility is which type of hyper sensitivity reaction ? |
| A. | Type I |
| B. | Type II |
| C. | Type III |
| D. | Type IV |
| Answer» C. Type III | |
| 181. |
Reynolds Braude phenomenon is shown by ___________________? |
| A. | Candida albicans |
| B. | Mucor |
| C. | Cryptococcus |
| D. | Aspergillus |
| Answer» B. Mucor | |
| 182. |
Resistance of Staphylococcus aureus is due to ________________________? |
| A. | Pleomorphism |
| B. | Elaboration of an enzyme that destroy penicillin |
| C. | Penicillin analogue production |
| D. | Lack of nucleic acid in the cell wall |
| Answer» C. Penicillin analogue production | |
| 183. |
Rapid evaluation of fungal hyphae/spores can be achieved with_______________? |
| A. | Grocott Gomori Methenamine silver |
| B. | Hematoxylin and Eosin |
| C. | KOH wet mount |
| D. | Peri-iodic Acid Schiff |
| Answer» D. Peri-iodic Acid Schiff | |
| 184. |
Rapid diagnosis of Tuberculosis is possible with_______________? |
| A. | Ziel Nelson |
| B. | Kin Young stain |
| C. | Auramine-Rhodamine stain |
| D. | Giemsa stain |
| Answer» D. Giemsa stain | |
| 185. |
Rabies virus________________? |
| A. | Cytotropic |
| B. | Dermatotropic |
| C. | Chromophilic |
| D. | Neurotropic |
| Answer» E. | |
| 186. |
Q fever is caused by________________? |
| A. | Rickettsia tsutsugamushi |
| B. | R. prowozekii |
| C. | R. quintana |
| D. | C. burnetti |
| Answer» E. | |
| 187. |
Purpose of Sterilization is to eliminate________________? |
| A. | Bacteria |
| B. | Viruses |
| C. | Spore formers |
| D. | Fungus |
| Answer» D. Fungus | |
| 188. |
Pseudomonas aeruginosa_________________? |
| A. | Produces heat stable enterotoxin |
| B. | Causes Shangai fever |
| C. | Cannot be destroyed at 55 degree at 1 hr. |
| D. | Does not produce any pigment |
| Answer» C. Cannot be destroyed at 55 degree at 1 hr. | |
| 189. |
Pseudohphae are seen in____________? |
| A. | Alternaria |
| B. | Aspergillus |
| C. | Osporium |
| D. | Candida albicans |
| Answer» E. | |
| 190. |
Prozone phenomenon is due to______________? |
| A. | Disproportionate antigen antibody levels |
| B. | Excess antigen |
| C. | Excess antibody |
| D. | Hyper immune reaction |
| Answer» D. Hyper immune reaction | |
| 191. |
Probiotic organism used_________________? |
| A. | E coli |
| B. | Bifido bacteria |
| C. | Staphylococcus |
| D. | Salmonella |
| Answer» C. Staphylococcus | |
| 192. |
Prions true is____________? |
| A. | Readily inactivated by autoclave at 121 C |
| B. | Evokes strong immunogenic reaction |
| C. | Sensitive to most chemical sterilization |
| D. | Contains DNA/ RNA |
| Answer» B. Evokes strong immunogenic reaction | |
| 193. |
Presence of HBe Ag in Patients with hepatitis indicates_______________? |
| A. | Simple carriers |
| B. | Late convalescence |
| C. | High infectivity |
| D. | Carrier status |
| Answer» D. Carrier status | |
| 194. |
Presence of HBe Ag in patients with hepatitis indicates_____________? |
| A. | Simple carriers |
| B. | Late convalescence |
| C. | High infectivity |
| D. | Carrier status |
| Answer» D. Carrier status | |
| 195. |
Post streptococcal acute glomerulo nephritis is an example of________________? |
| A. | Type I hypersensitivity |
| B. | Type II hypersensitivity |
| C. | Type III hypersensitivity |
| D. | Type IV hypersensitivity |
| Answer» D. Type IV hypersensitivity | |
| 196. |
Portion of immunoglobulin molecule with molecular weight to 50000_________________? |
| A. | Secretory piece |
| B. | H chain |
| C. | L chain |
| D. | J piece |
| Answer» C. L chain | |
| 197. |
Portal of entry of poliovirus in mainly_______________? |
| A. | Gastrointestinal tract |
| B. | Nasal mucosa |
| C. | Lung |
| D. | Skin |
| Answer» B. Nasal mucosa | |
| 198. |
Pneumococus can be differentiated from streptococcus by________________? |
| A. | Type of hemolysis |
| B. | Gram staining |
| C. | Growth characteristics |
| D. | Bile solubility |
| Answer» E. | |
| 199. |
Plasmid__________________? |
| A. | Involved in multidrug resistance transfer |
| B. | Involved in conjugation |
| C. | Imparts capsule formation |
| D. | Imparts pili formation |
| E. | Both A & B |
| Answer» F. | |
| 200. |
Plaque test is used routinely in virology lab’s for________________? |
| A. | Identification of viral disease |
| B. | To separate specific clone of virus |
| C. | To maintain certain viral culture |
| D. | To prepare vaccines |
| Answer» B. To separate specific clone of virus | |