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.
| 251. |
Malaria pigment is________________? |
| A. | Bilurubin |
| B. | Haemoglobin |
| C. | Iron |
| D. | Haematin-globin pigment |
| Answer» E. | |
| 252. |
Madura mycosis produces______________? |
| A. | Brown to black granules |
| B. | White to yellow granules |
| C. | Red granules |
| D. | No granules |
| Answer» C. Red granules | |
| 253. |
Louis Pasteur is not associated with_______________? |
| A. | Introduction of complex media |
| B. | Discovery of Rabies Vaccine |
| C. | Discovery of M. Tuberculosis |
| D. | Disproved spontaneous regression theory |
| Answer» D. Disproved spontaneous regression theory | |
| 254. |
Loss of capsule in bacteria is generally associated with______________? |
| A. | Decease in virulence |
| B. | Loss of infectivity |
| C. | Inability to spread through tissue |
| D. | increase in invasiveness |
| Answer» B. Loss of infectivity | |
| 255. |
Lesions caused by Entameoba histolytica predominantly involve________________? |
| A. | Caecum and large intestine |
| B. | Duodenum |
| C. | Stomach |
| D. | Jejunum and Ileum |
| Answer» B. Duodenum | |
| 256. |
Leptospirosis, all are true except______________? |
| A. | Faeces & urine of rodents is the cause |
| B. | Onset of IgM in 2 days |
| C. | Incubation period is 10 days |
| D. | It is sensitive to penicillin |
| Answer» C. Incubation period is 10 days | |
| 257. |
Leprosy bacilli can be grown in_________________? |
| A. | Foot paid on nine branded armadilo |
| B. | Tail of guinea pig |
| C. | Testes of albino rats |
| D. | Testes of guinea pig |
| Answer» B. Tail of guinea pig | |
| 258. |
Leprosy bacilli are transmitted from person to person by all except______________? |
| A. | Dischange from nasal mucosa |
| B. | From open sore |
| C. | Through intact skin |
| D. | Through breast milk |
| Answer» E. | |
| 259. |
Lepromin test is useful for________________? |
| A. | Diagnosis |
| B. | Prognosis |
| C. | Treatment plan |
| D. | Epidemiology |
| Answer» C. Treatment plan | |
| 260. |
Leishmania is cultured in ________________ media? |
| A. | Chocolate agar |
| B. | NNN |
| C. | Tellurite |
| D. | Sabourauds |
| Answer» C. Tellurite | |
| 261. |
L.D bodies are seen in_______________? |
| A. | Kalahazar |
| B. | Toxoplasmosis |
| C. | Malaria |
| D. | Sleeping sickness |
| Answer» B. Toxoplasmosis | |
| 262. |
Lancefields classification of B hemolytic streptococcus is based on______________? |
| A. | M Protein |
| B. | Polysaccharide C antigen |
| C. | Type of lipid in cell membrane |
| D. | Physiological properties |
| Answer» C. Type of lipid in cell membrane | |
| 263. |
Kolmer test is a screening test done for_________________? |
| A. | Syphilis |
| B. | Tuberculosis |
| C. | Gonorrhea |
| D. | Lymphoma |
| Answer» B. Tuberculosis | |
| 264. |
Killer and Helper cells are part of_______________? |
| A. | B cells |
| B. | T cells |
| C. | Monocytes |
| D. | Macrophage |
| Answer» C. Monocytes | |
| 265. |
Kaposi’s sarcoma (KS) usually occurs when CD4 Lymphocyte counts are_____________? |
| A. | Above 600 |
| B. | Between 1000-2000 |
| C. | Below 200 |
| D. | Above 2000 |
| Answer» D. Above 2000 | |
| 266. |
Investigation of choice for invasive amoebiasis is________________? |
| A. | Indirect hemagglutination |
| B. | ELISA |
| C. | Counter immune electroporesis |
| D. | Microscopy |
| Answer» C. Counter immune electroporesis | |
| 267. |
Interferon interferes with replication of virus at the time of_____________? |
| A. | Protein synthesis |
| B. | DNA/RNA replication |
| C. | When virus enters the cell |
| D. | Uncoating of the virus proteins capsule |
| Answer» B. DNA/RNA replication | |
| 268. |
Injection abscesses due to use of contaminated vaccines occurs in infections caused by_______________? |
| A. | M. Kansasii |
| B. | M. ulcerans |
| C. | M. chelonae |
| D. | M. smegmatis |
| Answer» D. M. smegmatis | |
| 269. |
Influenza is caused by_____________? |
| A. | Orthomyxo virus, which is a DNA virus |
| B. | Paramyxo virus, which is a RNA virus |
| C. | Paramyxo virus, which is a DNA virus |
| D. | Orthomyxo virus, which is a RNA virus |
| Answer» E. | |
| 270. |
Incubation pariod of herpes zoster is________________? |
| A. | 7-14 days |
| B. | 1 months |
| C. | 1-2 years |
| D. | 3-6 months |
| Answer» B. 1 months | |
| 271. |
Inactivated microorganisms are used in the manufacture of which of the following________________? |
| A. | Salk vaccine |
| B. | Tetanus toxoid |
| C. | Sabin’s oral vaccine |
| D. | All of the above |
| Answer» B. Tetanus toxoid | |
| 272. |
In which of the following immunization is given after infection is started________________? |
| A. | Rabies |
| B. | Poliomyelitis |
| C. | Influenza |
| D. | Herpes |
| Answer» B. Poliomyelitis | |
| 273. |
In transmission of malaria, mosquito bite transfers_______________? |
| A. | Sporozoite |
| B. | Merozoite |
| C. | Hypnozoite |
| D. | Gametocyte |
| Answer» B. Merozoite | |
| 274. |
In T.B cell mediated immunity is by_______________? |
| A. | CD 4* |
| B. | CD 8* |
| C. | B – lymphocytes |
| D. | None of the above |
| Answer» B. CD 8* | |
| 275. |
In small intestine, cholera toxin acts by______________? |
| A. | ADP – ribosylation of the G regulatory protein |
| B. | Inhibition of adenyl cyclase |
| C. | Activation of GTPase |
| D. | Active absorption of NaCI |
| Answer» B. Inhibition of adenyl cyclase | |
| 276. |
In penicillin allergy, penicillin acts as a_______________? |
| A. | Hapten |
| B. | Carrier |
| C. | Super antigen |
| D. | Toxin |
| Answer» B. Carrier | |
| 277. |
In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________? |
| A. | IgD |
| B. | IgM |
| C. | IgA |
| D. | IgE |
| Answer» E. | |
| 278. |
In initial stages of tyhoid, salmonella can be detected in________________? |
| A. | Feacus |
| B. | Urine |
| C. | Blood |
| D. | All of the above |
| Answer» D. All of the above | |
| 279. |
In HIV, gp 120, envelope glycoproteins bind specifically to______________? |
| A. | CD8 T-cells |
| B. | CD4 T-cells |
| C. | B – cells |
| D. | NK – cells |
| Answer» C. B – cells | |
| 280. |
In falciparum malaria, causes of anemia are due to all except__________________? |
| A. | Hemolysis |
| B. | Malabsorption |
| C. | Spleen sequestration |
| D. | Bone marrow depression |
| Answer» C. Spleen sequestration | |
| 281. |
In a patient with typhoid, diagnosis after 15 days of onset of fever is best done by_____________? |
| A. | Blood culture |
| B. | Widal test |
| C. | Stool culture |
| D. | Urine culture |
| Answer» C. Stool culture | |
| 282. |
Immunoglobulins ar secreted by______________? |
| A. | Macrophages |
| B. | Plasma cells |
| C. | T-cells |
| D. | Neutrophils |
| Answer» C. T-cells | |
| 283. |
Immunoglobulin crossing placenta is_________________? |
| A. | Ig M |
| B. | Ig A |
| C. | Ig G |
| D. | Ig D |
| Answer» D. Ig D | |
| 284. |
Immunoglobulin implicated in atopy and anaphylaxis is_______________? |
| A. | IgE |
| B. | IgM |
| C. | IgG |
| D. | IgA |
| Answer» B. IgM | |
| 285. |
Immunoglobulin consists of________________? |
| A. | 2 light, 2 heavy chains |
| B. | 1 heavy, 2 light chains |
| C. | 1 light, 1 heavy chain |
| D. | 3 light, 1 heavy chain |
| Answer» B. 1 heavy, 2 light chains | |
| 286. |
Immunoglobin, Which is produced first by the fetus in response to infection_______________? |
| A. | IgG |
| B. | IgA |
| C. | IgM |
| D. | IgD |
| Answer» D. IgD | |
| 287. |
Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called as______________? |
| A. | Active acquired immunity |
| B. | Passive acquired immunity |
| C. | Natural active immunity |
| D. | Passive natural immunity |
| Answer» E. | |
| 288. |
IL-1 and TNF a during inflammation are secreted by______________? |
| A. | Plasma cells |
| B. | Activated macrophages |
| C. | Lymphocytes |
| D. | Platelet |
| Answer» C. Lymphocytes | |
| 289. |
IL-1 is produced by_________________? |
| A. | Helper T cells |
| B. | Helper B cells |
| C. | Monocytes |
| D. | Macrophages |
| Answer» E. | |
| 290. |
IgG has subclasses_______________? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 291. |
IgG antibodies have a half-life of approximately_______________? |
| A. | 1 hour |
| B. | 1 day |
| C. | 1 week |
| D. | 1 Month |
| Answer» E. | |
| 292. |
Hydatid cyst is__________________? |
| A. | Parasitic in nature |
| B. | Fungal |
| C. | Congenital |
| D. | Viral |
| Answer» B. Fungal | |
| 293. |
Human immunodeficiency virus (HIV) affets_______________? |
| A. | Red blood cells |
| B. | Fibroblasts |
| C. | Helper T lymphocytes (CD4) |
| D. | Mast cells |
| Answer» D. Mast cells | |
| 294. |
Human immunoglobulins are divided based on_____________? |
| A. | Functional differences |
| B. | Structural differences |
| C. | Complemented fixation |
| D. | None of the above |
| Answer» C. Complemented fixation | |
| 295. |
Human immune deficiency virus is ________________ virus? |
| A. | Rheo |
| B. | Retro |
| C. | Rhabdo |
| D. | Flavi |
| Answer» C. Rhabdo | |
| 296. |
Hot air oven is used for sterilization of all EXCEPT__________________? |
| A. | Glassware |
| B. | Rubber tubes |
| C. | Sharp instrument |
| D. | Liquid paraffin |
| Answer» C. Sharp instrument | |
| 297. |
Hot air oven cannot be used for sterlisling___________________? |
| A. | Clothes |
| B. | Instruments |
| C. | Culture media |
| D. | Needles |
| Answer» D. Needles | |
| 298. |
Hospital dressing is best disposed by_____________? |
| A. | Incineration |
| B. | Dumping |
| C. | Autoclaving |
| D. | Burying |
| Answer» B. Dumping | |
| 299. |
HIV infection is known to be transmitted during all of the following EXCEPT______________? |
| A. | Breast feeding |
| B. | Child birth |
| C. | Heterosexual intercourse |
| D. | Kissing |
| Answer» E. | |
| 300. |
HIV is transmitted by all of the following routes except________________? |
| A. | Saliva |
| B. | Needle prick injury |
| C. | Blood transmission |
| D. | Sexual intercourse |
| Answer» B. Needle prick injury | |