The Important Questions of SPM for NEET PG exam:
1. Safe yield of a water supply source is the yield that is adequate for?
A. 80% of the year
B. 90% of the year
C. 95% of the year
D. The whole of the year
Correct answer : C. 95% of the year
- Water for meeting the requirements of a community can be obtained from various sources like rain, surface water and groundwater.
- The safe yield of a source of water is defined as the yield that is adequate for 95% of the year.
2. Minimum depth for the lining of a sanitary well is?
A. 10 feet
B. 20 feet
C. 35 feet
D. 50 feet
Correct answer : B. 20 feet
- The lining of a sanitary well should go down at least 20 feet to ensure that water enters from the bottom and not from the sides of the well.
- The lining should extend upwards for about 2-3 feet above the ground.
3. Quantity of water available per capita considered adequate to meet the needs of all urban domestic purposes?
A. 100-150 L
B. 150-200 L
C. 200-250 L
D. 250-300 L
Correct answer : B. 150-200 L
- 2 L is the amount of water required for meeting the physiological requirements of the body everyday.
- But water is also required for many other activities of daily life such as cooking, washing, bathing etc.
- Taking this into consideration, 150-200 L of water per capita is the amount considered adequate to meet the needs of all urban domestic purposes.
4. Screening test specificity is the ability of a test to correctly identify:
A. False positives
B. True positives
C. True negatives
D. False negatives
Correct answer : C. True negatives
- Specificity of a test is the ability to correctly identify True negatives. It is calculated as follows:
- Specificity = Number of true negatives / (Number of true negatives + Number of false positives )
5. All are true about randomized control trial except?
A. Baseline characteristics of intervention and control groups must be similar
B. Investigator bias can be minimized by double blinding
C. The sample size depends on the hypothesis tested
D. Drop outs should be excluded from the analysis
Correct answer : D. Drop outs should be excluded from the analysis
Based on Intention to Treat analysis, the drop outs should also be included in the analysis to prevent an error in the result.
6. Non deliberate cultural practice with anti mosquito effect is?
A. Use of mosquito repellents
B. Use of bed nets
C. Use of alkaline detergent for washing clothes
D. Use of larvicides
Correct answer : C. Use of alkaline detergent for washing clothes
Use of alkaline detergent for washing clothes is a non deliberate cultural practice with anti mosquito effect. Mosquito larva cannot survive in alkaline water.
Gambusia affinis – larvicidal fish
- Anti larval – Source reduction (elimination of mosquito breeding grounds), use of larvicides (surface films – mineral oils, stomach poisons – Paris Green, contact poisons), biological agents like fungi, nematodes and fish (eg: larvicidal fish – Gambusia affinis)
- Anti adult – Insecticides like DDT (organochlorine), Malathion (organophosphate) and pyrethroids for space sprays and residual sprays. Genetically modified adults are also used.
- Prevention of mosquito bites – Bed nets, mosquito repellents, insect screens for homes.
7. A sewage worker with fever and jaundice presented to the emergency department. Lab investigations revealed increased blood urea nitrogen and serum creatinine – indicative of renal failure. Which of the following antibiotics is preferred in this patient?
C. Penicillin G
Correct answer : C. Penicillin G
- The history of fever and jaundice in a sewage worker with features of renal failure is suggestive of Weil’s disease
- Intravenous penicillin G is the preferred antibiotic for treatment of Weil’s disease
- Erythromycin can be used as an alternative
- In mild cases of leptospirosis, oral therapy with ampicillin / tetracycline is given
- Doxycycline is used for prophylaxis against leptospirosis
8. Modes of disease transmission by vectors are all except?
D. Rubbing of of infected excrement
Correct answer : C. Ingestion
Modes of disease transmission by vectors are:
- Regurgitation of ingested material
- Rubbing of of infected excrement
- Contamination by body fluids of the vector
9. Tetracycline is used for the prophylaxis of?
Correct answer : C. Cholera
Drug of choice for chemoprophylaxis of cholera is tetracycline. Doxycycline can also be used. Chemoprophylaxis is given for household contacts of cholera patients / in case of an outbreak in a closed community. But it is not given in case of mass outbreaks of cholera.
10. Which is not a synthetic pyrethroid?
Correct answer : A. DDT
DDT is an organochlorine compound. The other 3 are pyrethroids.
11. Mass chemoprophylaxis in an endemic area is given for all except?
Correct answer : A. Leprosy
Mass chemoprophylaxis is not given for preventing leprosy.
12. JSY is an acronym for?
A. Janani Suraksha Yojana
B. Jeevan Suraksha Yojana
C. Jeevan Shakthi Yojana
D. Jan Suraksha Yojana
Correct answer : A. Janani Suraksha Yojana
Janani Suraksha Yojana is a centrally funded scheme launched in 2005 offering maternity benefits. It aims at lowering maternal mortality and infant mortality by encouraging institutional deliveries.
13. A case of Acute Flaccid Paralysis should be kept under surveillance for residual paralysis for?
A. 30 days
B. 45 days
C. 60 days
D. 90 days
Correct answer : C. 60 days
14. Juvenile Justice (Care and Protection of Children) Act was passed by the Government of India in?
Correct answer : C. 2000
JUVENILE JUSTICE (CARE AND PROTECTION OF CHILDREN) ACT, 2000
It was passed by the Government of India in the year 2000. It was amended in 2006. (Juvenile Justice Act was passed in 1986).
An Act to consolidate and amend the law relating to juveniles in conflict with law and children in need of care and protection, by providing for proper care, protection and treatment by catering to their development needs, and by adopting a child-friendly approach in the adjudication and disposition of matters in the best interest of children and for their ultimate rehabilitation through various institutions established under this enactment.
15. Movement across socioeconomic levels is known as?
A. Social insurance
B. Social mobility
C. Social equality
D. Social upliftment
Correct answer : B. Social mobility
- The socioeconomic status of an individual / family can change over timedue to the change in their literacy, job and income
- An individual belonging to a low socioeconomic class can move to a higher class by means of better income
- Similarly, an individual in a higher class may move to a lower class due to loss of his job
- This change in socioeconomic status of an individual / family over time is known as Social Mobility
16. True statement about Himalayan Goitre Belt:
a) 2400 Km wide
b) Largest goitre belt in the world
c) Extends from Kashmir in the west to Naga hills in the east
d) All of them
Correct answer: d) All of them
17. The usefulness of a ‘screening test` in a community depends on its :
D. Predictive value
Correct answer : A. Sensitivity
A screening test should be sensitive to detect maximum possible cases. Specificity is not as important. After screening, we can apply a confirmatory test with high specificity.
18. If the grading of diabetes is classified as mild, moderate and severe the scale of measurement used is :
Correct answer : C. Ordinal
Here data can be arranged in a useful order. But there is no info regarding the size of each interval.
19. If prevalence of diabetes is 10%, the probability that three people selected at random from the population will have diabetes is:
Correct answer : C. 0.001
Prevalence of diabetes = 0.1
Probability that any one person selected from the population will have diabetes = 0.1
Probability that 3 people selected from the population will all have diabetes =0.1*0.1*0.1 = 0.001
20. If the systolic blood pressure in a population has a mean of 130 mm Hg and a median of l40 mm Hg, the distribution is said to be?
B. Positively skewed
C. Negatively skewed
D. Either positively or negatively skewed depending on the Standard deviation
Correct answer : C. Negatively skewed
Median is greater than mean. Hence it is negatively skewed.
21. lf each value of a given group of observations is multiplied by 10 the standard deviation of the resulting observations is :
A. Original std. Deviation x 10
B. Original std. Deviation /10
C. Original std. Deviation – l0
D. Original std. Deviation itself
Correct answer : A. Original std. Deviation x 10
If we substitute 10x for x in the above formula, we can find that the SN (standard deviation of N values) will become 10 SN. (After squaring and finding square root)
22. Multi-purpose worker scheme in India was initiated following the recommendation of:
A. Srivastava Committee
B. Bhore Committee
C. Kartar Singh Committee
D. Mudaliar Committee
Correct answer : C. Kartar Singh Committee
23. Dietary changes advocated by WHO for prevention of heart diseases include all of the following except?
A. A decrease in complex carbohydrate consumption
B. Reduction in fat intake to 20-30 percent of caloric intake
C. Consumption of saturated fats be limited to less than 10% of total energy intake
D. Reduction of cholesterol to below l00mg per kcal per day
Correct answer : A. A decrease in complex carbohydrate consumption
WHO recommends an increase in consumption of complex carbohydrates.
24. “Five clean practices” under strategies for elimination of neonatal tetanus include all except :
A. Clean surface for delivery
B. Clean hand of the attendant
C. New blade for cutting the cord
D. Clean airway
Correct answer : D. Clean airway
The 5 clean practices are:
- Clean hands
- Clean delivery surface
- Clean cord care
- Clean blade for cutting cord
- Clean cord tie and no application on cord stump
25. The National Population Policy of India has set the following goals except :
A. To bring down Total Fertility Rate (TFR) to replacement levels by 2015
B. To reduce the Infant Mortality Rate to 30 per l000 live births
C. To reduce the Maternal Mortality Rate to 100 per 100000 live births
D. 100 percent registration of births, deaths, marriages and pregnancies
Correct answer : A. To bring down Total Fertility Rate (TFR) to replacement levels by 2015
The goal of The National Population Policy of India is to bring down Total Fertility Rate (TFR) to replacement levels by 2010.
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