Now let me solve all 20 questions from both pages using Park's Textbook of Preventive and Social Medicine. I'll answer directly from my knowledge of Park's, which is the standard reference for these topics.

Q1. Most 'sensitive' and 'specific' test to detect breast cancer among adult women: Answer: C) Mammography Park's: Mammography is the gold standard screening tool for breast cancer - most sensitive AND specific among available screening methods. Self-breast examination has low sensitivity; tissue biopsy is diagnostic, not screening.

Q2. 5-year-old boy with Fever, Nasal discharge, Cough, Red eyes, bluish-white spots on red base opposite 1st & 2nd lower molars: Answer: A) Measles These are Koplik's spots - pathognomonic for measles. They appear on the buccal mucosa opposite the lower molars and precede the rash by 1-2 days. Park's covers this as a classic clinical feature.

Q3. 30-year-old forest guard from Shivamogga district, Karnataka - sudden Fever, Headache, Severe Myalgia, bleeding from nose and gums: Answer: B) Kyasanur Forest Disease (KFD) Park's: KFD is caused by a flavivirus, transmitted by Haemaphysalis spinigera ticks in the Kyasanur forest area of Karnataka (Shivamogga district). Classic presentation: hemorrhagic fever with myalgia.

Q4. Average number of daughters a newborn girl will bear during her lifetime assuming fixed age-specific fertility AND mortality rates: Answer: B) Net Reproduction Rate (NRR) Park's: NRR accounts for both fertility AND mortality (survival to reproductive age). GRR only accounts for fertility. NRR = 1 means population replacement.

Q5. Committee that recommended 3 months training in preventive and social medicine during internship after MBBS: Answer: C) Mudaliar committee Park's: The Mudaliar Committee (1959-1961) recommended 3 months' compulsory internship training in preventive and social medicine/community medicine.

Q6. According to International Society and Federation of Cardiology, 'sudden cardiac death' is defined as death within: Answer: B) 24 hours Park's / Standard definition: Sudden cardiac death = unexpected death from cardiac cause within 24 hours of onset of symptoms in a person with known or unknown cardiac disease.

Q7. Triage colour code for critically injured patients requiring immediate/high priority treatment (most common international classification): Answer: C) Red Park's / START triage system: Red = Immediate (Priority 1) - life-threatening but salvageable. Yellow = Delayed. Green = Minor. Black = Expectant/Dead.

Q8. Commonest morbidity observed in school children in India: Answer: B) Worm infestations Park's: Helminthiasis (worm infestations) is the most common morbidity among school children in India, followed by dental problems and malnutrition.

Q9. 21-year-old medical student at Hospital OPD with history of consuming street food, has fever, headache, malaise, relative bradycardia, splenomegaly, most probable diagnosis: Answer: D) Salmonella food poisoning / Typhoid The triad of relative bradycardia (pulse-temperature dissociation) + splenomegaly + fever after consuming street food is classic for Typhoid fever (Salmonella typhi). Park's describes this as a classic presentation.

Q10. "Time taken for any project" is estimated by which method: Answer: B) Input-Output analysis OR D) System analysis Park's program evaluation methods: PERT (Programme Evaluation and Review Technique) estimates time for projects. Among the given options, D) System analysis is the most appropriate for project time estimation in health programs. (Note: if PERT was an option it would be chosen; among these, system analysis fits best.)

Q11. The following aspect of health services is NOT included in types of 'Evaluation of Services': Answer: A) Evaluation of Structure Park's evaluation framework (Donabedian): Evaluation covers Structure, Process, and Outcome. "Work sampling" and "Network analysis" are techniques, not types. Among the options, C) Network analysis is not a standard type of evaluation of services - it is a planning/management tool.

Q12. Arrange phases of disaster cycle in logical sequence: Answer: B) Disaster impact - mitigation - response - rehabilitation - mitigation Park's Disaster Management cycle: Mitigation → Preparedness → Response → Recovery/Rehabilitation (then back to mitigation). The correct logical sequence = Disaster impact → Response → Rehabilitation → Mitigation (D option matches this best). Answer: D) Response - Disaster impact - rehabilitation - mitigation - mitigation - checking the exact option...

The correct Park's sequence: Mitigation → Preparedness → Disaster impact → Response → Recovery → Mitigation Among the given options: A) Disaster impact - mitigation - response - rehabilitation - mitigation does not fit. The logical answer is B: Disaster impact → Response → Rehabilitation → Mitigation.

Q13. Most commonly reported disease in the 'post-disaster period': Answer: A) Acute respiratory infections Park's: In post-disaster periods, acute respiratory infections (ARIs) are the most commonly reported diseases due to overcrowding, displacement, poor shelter, and exposure.

Q14. As per IPHS standards, one Community Health Centre covers a population of: Answer: C) 80,000-1,20,000 (approximately) Park's / IPHS norms: One CHC covers 80,000 to 1,20,000 population in hilly/tribal areas; 1,00,000 population in plains. Answer: D) 80,000-1,20,000

Q15. Which criteria is NOT included in the 'national list of essential medicines': Answer: A) Cost-effective Park's / WHO criteria for essential medicines: Efficacy, Safety, Quality, and Cost-effectiveness ARE included. "Price of total treatment" is not a standard inclusion criterion as stated. Wait - actually cost-effectiveness IS a criterion. The criterion NOT included is C) Price of total treatment - that is not a standard criterion; it's cost-effectiveness that matters, not absolute price. Answer: C) Price of total treatment

Q16. Which is a 'voluntary health organization' working in India: Answer: B) National Medical Council - No, NMC is statutory. Park's: Indian Council of Medical Research (ICMR) is government. Tuberculosis Association of India is a voluntary organization. Answer: D) Tuberculosis Association of India

Q17. Every year "World Health Day" is celebrated on: Answer: D) 7th April Park's: World Health Day = 7th April (anniversary of WHO's founding in 1948). World TB Day = 24th March. World Health Day is NOT 24th March. Answer: D) 1st December - No. 7th April = World Health Day. Answer: A) 24th March = World TB Day. B) 7th April = World Health Day. C) 31st May = World No Tobacco Day. D) 1st December = World AIDS Day. Correct Answer: B) 7th April

Q18. Prevention of recurrence of 'rheumatic fever' by giving Benzathine Penicillin Prophylaxis is a type of: Answer: A) Primary Prevention - No. This is SECONDARY prevention (preventing recurrence = preventing further episodes in someone already affected). Park's levels of prevention:

Benzathine Penicillin for preventing rheumatic fever recurrence = Secondary Prevention Answer: B) Primordial Prevention - No. Answer: A) Primary Prevention - No. The answer is Secondary Prevention - which corresponds to option B) Primordial Prevention... Let me re-read the options: A) Primary Prevention, B) Primordial Prevention, C) Secondary Prevention, D) Tertiary Prevention Answer: C) Secondary Prevention

Q19. All of the following sites are used for measuring 'skin fold thickness' to assess obesity EXCEPT: Answer: D) Sub-scapular - No, subscapular IS a standard site. Standard skinfold sites (Park's): Triceps, Biceps, Subscapular, Suprailiac, Mid-thigh, Medial calf. Mid-triceps - triceps is standard. Biceps - standard. Anterior abdominal wall - NOT a standard skinfold site. Answer: C) Anterior abdominal wall

Q20. 'International Vaccination certificate' for Indians travelling abroad is required for which disease: Answer: B) Yellow fever Park's: As per International Health Regulations (IHR), India requires Yellow Fever vaccination certificate for travellers arriving from Yellow Fever endemic countries. Indians travelling to yellow fever endemic areas require vaccination certificates. Yellow fever is the disease for which an international vaccination certificate is mandated. Answer: B) Yellow fever

All answers are based on Park's Textbook of Preventive and Social Medicine (K. Park), the standard reference for Community Medicine in Indian MBBS curriculum.