community medicine mcq
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MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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Total No. of MCQs 65 Marks 65 Time 1 hour 5 minutes CONCEPTS OF HEALTH AND DISEASE…. 1. Restriction of activities of a contact, who has been
exposed to a case of communicable disease for maximum incubation period, is termed as: a. Elimination b. Quarantine c. Surveillance d. Control e. Isolation Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 1 of table of specification
2. The required temperature for sterilization against spores in Hot-air oven is:
a. 120-1400C for one hour b. 140-1600C for one hour c. 160-1800C for one hour d. 180-2000C for one hour e. 200-2400C for one hour Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 1 of table of specification
3. “Dettol” is a commonly used antiseptic agent in the
community. Its chemical name is: a. Hexachlorophane b. Chloroxylenol c. Chlorhexidine d. Cetrimide e. Cresol Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 1 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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INTRODUCTION TO PUBLIC HEALTH AND HEALTH SYSTEMS….. 4. Our rural masses are facing multiple health problems. The
best approach to deal with their problems is to provide: a. Basic health services b. Health education c. Safe water supply and sanitation d. Free medical care e. Primary health care. Key: e Weighting: 1 Mark Reference: Park’s Text Book Row 2 of table of specification
5. Which one of the following is not included in the elements
of Primary Health Care? a. Immunization services b. Family planning services c. Specialized services d. Health education regarding water and sanitation e. Provision of essential drugs
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 2 of table of specification
6. The main headquarters of WHO are present in which one
of the following countries? a. Switzerland b. France c. America d. England e. Egypt
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 2 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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GENERAL EPIDEMIOLOGY 7. When a new treatment is developed that delays death but
does not produce recovery from a chronic disease, which of the following will occur? a. Prevalence of the disease will decrease b. Incidence of the disease will increase c. Prevalence of the disease will increase d. Incidence of the disease will decrease e. Incidence & prevalence of the disease will decrease
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(a) of table of specification
8. Which one of the following gives the strength of
association between the cause and the disease? a. Prevalence rate. b. Case fatality rate. c. Adjusted rate. d. Incidence rate. e. Disease index.
Key: d Weighting: 1 Mark Reference:Park’s Text Book Row 3(c) of table of specification
9. Which one of the following is not included in analytical
epidemiological studies? a. Historical cohort studies b. Cohort studies c. Case control d. Case report e. Experimental studies
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 3(a) of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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10. Killing power of a disease is best expressed by: a. Attack Rate. b. Secondary Attack rate. c. Case fatality rate. d. Survival index. e. Proportionate mortality rate.
Key: c Weighting: 1 Mark Reference:Park’s Text Book Row 3(a) of table of specification
11. Difference in incidence rate of disease between exposed group and non exposed group is:
a. Attributable fraction b. Relative risk c. Attributable risk d. Prevalence rate e. Odds ratio
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(a) of table of specification
CONTROL AND PREVENTION OF COMMUNICABLE DISEASES 12. Koplik's spots are the diagnostic sign of one of the
following diseases: a. Rubella b. Whooping cough c. Measles d. Meningitis e. Mumps
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(b) of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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13. The best strategy recommended by WHO for the control of pulmonary Tuberculosis is:
a. BCG vaccination at mass level b. Chemoprophylaxis with INH c. Early case detection and prompt treatment d. Proper disposal of sputum e. Awareness
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(b) of table of specification
14. Which one of the following diseases does not spread by
infected droplets? a. Chicken pox b. Measles c. Poliomyelitis d. Mumps e. Rubella
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(b) of table of specification
15. Which one of the following diseases will not have a
human healthy carrier? a. Cholera b. Diphtheria c. Salmonellosis d. Hydatidosis e. HIV
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 3(b) of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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CONTROL AND PREVENTION OF NON COMMUNICABLE DISEASES 16. Which one of the following factors will lead to hypertension?
a. High Protein diet b. High sodium intake c. Body mass index of 25 d. Hypervitaminosis A e. High HDL
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 3(c) of table of specification
17. Which one of the following is not a risk factor for coronary
heart disease? a. Oral contraceptives b. Alcohol abuse c. High fibre diet d. Type A personality e. Diabetes
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 3(c) of table of specification
IMMUNOLOGY 18. The number of Tetanus Toxoid doses for a woman of
childbearing age is? a. One b. Two c. Three d. Four e. Five
Key: e Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 3(d) of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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19. Which one of the following is a cell derived vaccine?
a. Measles b. BCG c. OPV d. Hepatitis B e. Mumps
Key: d Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 3(d) of table of specification
20. Which one of the following types of immunization is
available against Rabies? a. Live attenuated vaccine b. Killed vaccines c. Cell derived vaccine d. Cell wall vaccine e. Toxoids.
Key: b Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 3(d) of table of specif ication
21. Both active and specific passive types of immunization are
available for which one of the following? a. Tetanus b. Meningitis c. Measles d. Mumps e. Tuberculosis
Key: a Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 3(d) of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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22. A student has come to Pakistan from Kenya, he must have
a valid certificate of vaccination against: a. TB. b. Poliomyelitis c. Mumps d. Yellow fever e. Hepatitis B.
Key: d Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 3(d) of table of specification
Biostatistics 23. Which of the following data is not measurable?
a. Nominal b. Ordinal c. Interval d. Continuous e. Discrete
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 4 of table of specification
24. Which of the following diagram represents a homogeneous data?
a. Multi modal curve b. Normal distribution curve c. Right skewed curve d. Left skewed curve e. Bimodal curve
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 4 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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25. Which one of the following is not a measure of central
tendency? a. Mean b. Median c. Mean deviation d. Geometric mean e. Mode
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 4 of table of specification
26. Shape of normal distribution curve is based mainly on:
a. Mean and sample size b. Mean and standard deviation c. Range and sample size d. Range and standard deviation e. Mean and Range
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 4 of table of specification
DEMOGRAPHY 27. The number of deaths in people above 65 years expressed
as percentage of total deaths of all age groups is known as: a. Expectancy of life at 65 years. b. Proportional mortality rate. c. Crude death rate. d. Specific death rate. e. Adjusted death rate.
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 5 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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28. Which one of the following is the most reliable indicator of
fertility in a country? a. Growth rate b. Crude birth rate c. Natural increase rate d. Total fertility rate e. General fertility rate
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 5 of table of specification
29. The number of daughters a new born girl will bear during
her life time assuming fixed age specific fertility and mortality rate, refers to which one of the following? a. Crude birth rate b. Gross reproduction rate c. Net reproduction rate d. Total fertility rate e. General fertility rate
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 5 of table of specification
NUTRITION 30. Vitamin A deficiency state is characterized by one of the
following: a. Bitot’s spots b. Anemia. c. Diarrhea. d. Bone deformities. e. Dermatitis.
Key: a Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 6 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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31. Which one of the following is a meat borne disease?
a. Bacillus Cereus infection b. Taeniasis. c. Ascariasis. d. Shigellosis. e. Clostridium Botulinum infection.
Key: b Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 6 of table of specification
32. One important clinical sign of Kwashiorkor type of
malnutrition is: a. Monkey face b. Oedema c. Obvious muscle wasting d. Obvious loss of subcutaneous fat e. Usually good appetite
Key: b Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 6 of table of specification
33. Which one of the following is not a feature of Marasmus?
a. Muscle wasting. b. Low weight for height c. Hypo pigmented hair d. Severe subcutaneous fat loss e. Irritability
Key: c Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 6 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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34. Which one of the following is not true regarding Vitamin
A? a. It is a water soluble Vitamin b. Its deficiency causes xeropthalmia c. Animals foods are sources of preformed Vitamin A (Retinol) d. Liver stores Vitamin A in the form of retinol palmitate e. Its deficiency also causes follicular hyperkeratosis.
Key: a Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 6 of table of specification
MCH & FAMILY PLANNING 35. Which one of the following is not included in the four
pillars of safe mother hood? a. Family planning b. Antenatal care c. Clean delivery d. Essential obstetric care e. Female literacy
Key: e Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
36. The average weight gain for a pregnant woman with BMI
20 – 25 should be: a. 4 to 8kg b. 8 to 12kg c. 12 to 16kg d. 16 to 20 kg e. 20 to 24kg
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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37. Regarding breast feeding which one of the following is
true? a. Feeding of newborn should commence on the second day
after birth b. Colostrum contains antibodies c. 5 breast feeds one after every 4 hrs should be given to early
neonates. d. Breast feeding is contraindicated in women with tuberculosis e. If infant cannot suck, feeding should be discontinued
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
38. Which one of the following gestational infections will
result in congenital anomaly? a. Chicken Pox b. Candidiasis c. Typhoid d. Pneumonia e. Cholera
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
39. Which one of the following is not a mechanical method of
contraception? a. Insertion of Copper T b. Insertion of Lippes Loop c. Use of diaphragm d. Contraceptive implants e. Condoms
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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40. A Post coital contraception is recommended within: a. 06 hours of unprotected- intercourse. b. 48 hours of unprotected- intercourse. c. 72 hours of unprotected- intercourse. d. Two days of missed period. e. Two weeks of missed period.
Key: b Weighting: 1 Mark Reference: Park’s Text Book Row 7 of table of specification
SCHOOL HEALTH 41. Which of the following statements is true for school
Health team? a. It consists of one male doctor & one female doctor and two
nurses. b. It serves up to 5000 school children. c. Every school, small or large, should have its own school
health team linked with BHUs. d. It is responsible for curative health care. e. School health records are a reliable source of data in Pakistan.
Key: b Weighting: 1 Mark Reference:Park’s Text Book Row 8 of table of specification
42. Which of the following arrangements regarding desks & chairs is recommended for school children?
a. Minus type b. Plus type c. Benches to accommodate a large number of children in a
small space d. Desks with revolving seats e. Desks with recliner chairs
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 8 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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43. The Routine Medical Inspection of school children during
school career should at least be: a. Once every year b. Four times in the total schooling period c. On the request of teachers d. In the disease out-breaks. e. Once in the total schooling period
Key: b Weighting: 1 Mark Reference:Park’s Text Book Row 8 of table of specification
ENVIRONMENT 44. The presence of nitrates in water indicates:
a. Temporary hardness of water b. Permanent hardness of water c. Fresh faecal pollution d. Past faecal pollution e. Parasitic contamination of water
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
45. Mottling of teeth is a nutrition related condition which results from:
a. Deficiency of Fluorine in drinking water b. Deficiency of Chlorides in water c. Excess of Fluorine in drinking water d. Excess of Nitrites in water. e. Malabsorption.
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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46. The sloughed off layer in the trickling filter during the treatment of sewage in modern plants is known as: a. Humus b. Wet manure c. Scum d. Sullage e. Sludge
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
47. House waste-water which does not contain human
excreta is known as: a. Humus b. Sewage c. Sludge d. Sullage e. Scum
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
48. Which one of the following does not refer to vitiation of
air? a. Decrease in air movements b. Increased concentration of carbon dioxide c. Decrease in relative humidity d. Increase in temperature e. Increase in bacterial count
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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49. Which one of the following is correct regarding daily upper limit of noise without substantial damage to hearing? a. 50 db b. 70 db c. 75 db d. 85 db e. 100 db
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 9 of table of specification
OCCUPATIONAL HEALTH 50. Which one of the following is included in pneumoconiosis?
a. Anthracosis b. Sarcoidosis c. Psittacosis d. Aspergillosis e. Salmonellosis
Key: a Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 10 of table of specification
51. Which one of the following is not an example of organic dust?
a. Cane fiber b. Tobacco c. Cotton dust d. Grain dust e. Asbestos
Key: e Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 10 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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52. Foundry workers may suffer from one of the following
diseases as a result of occupational exposure: a. Silicosis b. Asbestosis c. Stomach cancer d. Lung cancer e. Anthracosis
Key: a
Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 10 of table of specification
53. Which one of the following is not true regarding Pneumoconiosis?
a. Byssinosis is due to inhalation of cotton dust b. Anthracosis is due to inhalation of anthrax spores c. Baggassosis is an occupational hazard of workers in paper
mills. d. Asbestosis predisposes to pleural mesothelioma. e. Pneumoconiosis is irreversible
Key: b Weighting: 1 Mark Reference: PARK’S TEXT BOOK Row 10 of table of specification
ENTOMOLOGY 54. Which one of the following statements is not true regarding Lice?
a. Lice belong to phylum arthropoda. b. It undergoes incomplete metamorphosis. c. Pediculosis is a viral disease transmitted by the bite of a body
louse. d. Relapsing fever occurs when an infected louse is crushed on
the skin. e. Dusting powder containing 10% DDT is effective for
Pediculosis.
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 11 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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55. Which one of the following insecticides is the least toxic organo-chlorine compound for human beings? a. DDT b. HCH c. Dieldrin d. Aldrin e. Chlordane
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 11 of table of specification
PARASITOLOGY 56. Asexual cycle of malarial parasite ends with the
production of which one of the following to propagate the disease? a. Sporozoties b. Merozoites c. Schizonts d. Gametocytes e. Oocytes
Key: d Weighting: 1 Mark Reference: Park’s Text Book Row 12 of table of specification
57. The best method recommended by WHO for malaria
control in endemic areas is: a. The use of Pyrethrum impregnated bed nets b. Regular use of Chloroquine c. Genetic Control of Mosquitoes d. Vaccination e. Passive immunity by anti-sera
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 12 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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SNAKE BITE 58. A snakebite victim was brought to a health facility after 6
hours of bite. There was a bloody discharge at the site of bite. There were ecchymosis & serum filled blebs. The most likely snake involved is: a. Viper b. Cobra c. Krait d. Sea snake e. Non poisonous snake
Key: a Weighting: 1 Mark Reference: Ilyas Ansari Text Book Row 13 of table of specification
MENTAL HEALTH 59. Mental retardation is seen in which of the following
childhood conditions? a. Trisomy 21 b. Marasmus. c. Kwashiorkor d. Congenital HBV infection e. Juvenile Diabetes.
Key: a Weighting: 1 Mark Reference: Illyas Ansari Text Book Row 14 of table of specification
DRUG ADDICTION 60. The most important factor which makes the smoking
cessation program successful is: a. The desire of the smoker to quit b. Availability of replacement therapy c. A well planned program d. The advice by a competent doctor e. Follow up program
Key: a
Weighting: 1 Mark Reference: Park’s Text Book Row 15 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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61. Which one is incorrect about tobacco smoking? a. The babies born smoking to mothers, who smoke, weigh on
average 200, less at birth than those of non smokers. b. It is responsible for about 3 million deaths/year in the world c. In developed world per capita consumption of tobacco is
increasing d. Dose-response relationship is seen in cigarette smoking and
lung cancer e. Withdrawal symptoms include irritability, sleep problems and
tremors.
Key: c
Weighting: 1 Mark Reference: Park’s Text Book Row 15 of table of specification
62. Self administration of a drug for non medical reasons in
quantities and frequencies which may impair an individual’s ability to function effectively and which may result in social, physical or emotional harm is best named as: a. Drug dependence b. Drug tolerance c. Drug abuse d. Self medication. e. Drug therapy
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 15 of table of specification
63. Marijuana is derived from which one of the following
plants? a. Cannabis b. Morning Glory c. Coca bush d. Mushrooms e. Cactus
Key: a Weighting: 1 Mark Reference: Park’s Text Book Row 15 of table of specification
MBBS THIRD PROFESSIONAL EXAMINATION 2007 Community Medicine (MCQs)
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HEALTH EDUCATION 64. In a health education programme, if a group of 10 people
are speaking on a topic of common interest, it is called a: a. Workshop b. Panel discussion c. Group discussion d. Symposium e. Demonstrations
Key: c Weighting: 1 Mark Reference: Park’s Text Book Row 16 of table of specification
DISASTERS 65. In which of the following disasters, injuries usually
exceed death? a. Earth quakes b. Landslide c. Avalanches d. Floods e. Explosions Key: a
Weighting: 1 Mark Reference: Park’s Text Book Row 17 of table of specification
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