23 MCQ on Social Medicine and Community Health
1. The recommended level of fluorides in drinking water per litre in India is
(A) < 0.5 mg
(B) 0.5 to 0.8 mg
(C) > 0.8 to < 1.2 mg
(D) > 1.2 mg
Answer: (B)
2. Which one of the following amino acids is non-essential?
(A) Leucin
(B) Isoleucine
(C) Lysine
(D) Glycine
Answer: (D)
3. The most invasive and virulent species of Brucella Micro-organism is
(A) B. Melitensis
(B) B. Abortus
(C) B. Suis
(D) B. Canis
Answer: (A)
4. All of the following diseases require surveillance according to WHO except:
(A) Chicken-pox
(B) Yellow fever
(C) Malaria
(D) Rabies
Answer: (A)
5. Salk vaccine is a
(A) Live vaccine
(B) Live attenuated vaccine
(C) Killed vaccine
(D) Toxoid
Answer: (C)
6. The most widely used strain of rubella virus for vaccine production is
(A) HPV/77
(B) Japanese To 336
(C) RA 27/3
(D) Cendehill virus
Answer: (C)
7. All of the following are reasons for rapid spread of influenza except:
(A) Short incubation period
(B) Large number of subclinical cases
(C) Presence of cross immunity
(D) Short duration of immunity
Answer: (C)
8. Which of the following characteristics are true for a ‘Case Control Study’?
(A) Both exposure and outcome have occurred before start of a study.
(B) It cannot test causal hypothesis.
(C) Relative risk can be calculated.
(D) A long period of follow up is required.
Answer: (A)
9. The area is aid to be hyper endemic if spleen rate exceeds
(A) 10%
(B) 30%
(C) 50%
(D) 70%
Answer: (C)
10. The denominator for ‘General Fertility Rate’ is
(A) Mid-year population
(B) Mid-year population of 15-45 years
(C) Mid-year population of all women
(D) Mid-year population of 15-45 year age group married women
Answer: (B)www.netugc.com
11. All are true of cohort study except
(A) Both groups are free of disease.
(B) The study proceeds from cause to effect.
(C) It is an observational study.
(D) Relative risk cannot be computed.
Answer: (D)
12. The radiation exposure in mammography is
(A) 0.3 rads
(B) 1 rad
(C) 5 rads
(D) 10 rads
Answer: (A)
13. The components of validity of screening tests are
I. Sensitivity
II. Specificity
III. Positive Predictive Value
IV. Negative Predictive Value
(A) I, II and III correct
(B) I and II correct
(C) I, III and IV correct
(D) I and IV correct
Answer: (B)
14. Which of the following viral hepatitis can be prevented by vaccination?
I. Hepatitis A
II. Hepatitis B
III. Hepatitis C
IV. Hepatitis E
(A) I & II correct
(B) I, II & III correct
(C) I & III correct
(D) II, III & IV correct
Answer: (A)
15. Reduced osmolarity ORS recommended by WHO and UNICEF have following ingredients:
I. Sodium Chloride
II. Soda bicarob
III. Potassium Chloride
IV. Trisodium citrate dihydrate
(A) I, II, & III correct
(B) II & III correct
(C) I, II & IV correct
(D) I, III & IV correct
Answer: (D)
16.1. Which of the following is a vaccine preventable disease?
(A) Malaria
(B) HIV/AIDS
(C) Poliomyelitis
(D) Dengue fever
Answers: (C)
17. Sex ratio in the Indian context is expressed as
(A) Number of males per 1000 females.
(B) Number of females per 1000 males.
(C) Number of males per 100 females.
(D) Number of females per 100 males.
Answers: (B)
18.Use of Oral Rehydration solution in place of Intravenous fluids for treating mild dehydration is an example of
(A) Equitable distribution
(B) Inter-sectoral co-ordination
(C) Appropriate technology
(D) Community participation
Answers: (C)
19.Orthotoluidine test determines
(A) Free chlorine
(B) Residual chlorine
(C) Combined chlorine
(D) Both free and combined chlorine
Answers: (D)
20. Sentinal surveillance is done for identifying
(A) Missed cases
(B) Index case
(C) Sub-clinical cases
(D) Carriers
Answers: (A)
21. Anti-tetanus serum is prepared from
(A) Rat
(B) Rabbit
(C) Guinea pig
(D) Horse
Answers: (D)
22. Sensitivity of a screening test is theability to correctly identify
(A) True positives
(B) True negatives
(C) False positives
(D) False negatives
Answers: (A)
23. Minimum interval between two doses of Vaccines should be
(A) 2 weeks
(B) 4 weeks
(C) 6 weeks
(D) 8 weeks
Answers: (B)
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