NEET-PG 2012 - Community Medicine Practice Questions

Q: India started 2-dose vaccination strategy for measles, in -

2010. ***2010*** - India implemented the **two-dose measles vaccination strategy** as part of its Universal Immunization Program starting in **2010**. - This decision was based on recommendations to improve immunity and reduce measles incidence, moving from a single-dose to a more effective **two-dose schedule**. *2008* - While important immunization initiatives were ongoing, the specific policy of a **two-dose measles vaccination strategy** had not yet been introduced in India during 2008. - At this time, the focus was primarily on ensuring high coverage of the **first dose** of measles vaccine. *2009* - The year 2009 saw continued efforts to strengthen the Universal Immunization Program, but the official launch of the **two-dose measles vaccination strategy** in India occurred later. - Discussions and planning for the transition were likely underway, but implementation began in the subsequent year. *2011* - By 2011, the **two-dose measles vaccination strategy** was already being implemented across India, having been introduced in 2010. - This year marked a period of expanding coverage and consolidation of the new 2-dose schedule rather than its initial introduction.

Q: What is the primary causative vector of Vagabond disease?

Louse. ***Louse*** - Vagabond disease is a term historically used to describe the chronic skin changes (such as **pigmentation**, **lichenification**, and **excoriations**) resulting from persistent **pediculosis corporis** (body lice infestation). - The **body louse** (*Pediculus humanus corporis*) is the causative agent responsible for these chronic dermatological changes through prolonged infestation. - Body lice are also vectors that can transmit other diseases like **epidemic typhus**, **louse-borne relapsing fever**, and **trench fever**, but vagabond disease itself is the direct result of chronic louse infestation rather than a transmitted pathogen. *Mite* - Mites are responsible for various conditions, such as **scabies** (caused by *Sarcoptes scabiei*) and serve as vectors for **scrub typhus** (transmitted by chiggers, the larval form of trombiculid mites). - However, they are not associated with vagabond disease or the chronic dermatological changes caused by body lice. *Tick* - Ticks are known vectors for a wide range of diseases, including **Lyme disease**, **Rocky Mountain spotted fever**, **anaplasmosis**, and **babesiosis**. - These diseases are transmitted through the bite of infected ticks, which are distinct from the louse-related conditions associated with vagabond disease. *Black Fly* - Black flies (*Simulium* species) are vectors for **onchocerciasis** (river blindness), caused by the parasitic nematode *Onchocerca volvulus*. - While they can cause itchy bites and transmit significant disease, they are not involved in the chronic skin condition known as vagabond disease.

Q: Which of the following studies has given coronary risk factors?

Framingham. ***Framingham*** - The **Framingham Heart Study** is a landmark prospective cohort study that has identified many of the well-known **risk factors for cardiovascular disease**, including hypertension, high cholesterol, smoking, and diabetes. - This ongoing study, started in 1948, has been instrumental in shaping our understanding of **coronary artery disease** development and prevention strategies. *North Karelia* - The **North Karelia Project** was a comprehensive community-based prevention program in Finland that successfully reduced cardiovascular disease risk factors. - While influential in demonstrating how to **implement prevention strategies**, it applied already-known risk factors rather than discovering new ones. - The program focused on reducing smoking, cholesterol, and blood pressure in the population. *Stanford study* - While Stanford University has conducted numerous influential medical studies, there isn't a single "Stanford study" primarily recognized for giving us the comprehensive list of coronary risk factors. - Many institutions contribute to medical knowledge, but the **Framingham Heart Study** stands out for this specific contribution. *MONICA* - The **MONICA (Monitoring Trends and Determinants in Cardiovascular Disease)** Project was a multinational WHO project that aimed to monitor cardiovascular disease trends and determinants. - While it provided valuable data on the **epidemiology of cardiovascular disease** and its risk factors, it primarily assessed trends in established risk factors rather than initially identifying them.

Q: Best for Incineration of infectious waste?

Double - chamber. ***Correct: Double-chamber*** - **Double-chamber incinerators** are considered the best for infectious waste as they allow for complete combustion in two stages. - The first chamber burns the waste at a lower temperature (800°C), while the second chamber burns the remaining gases at a higher temperature (>1050°C), ensuring destruction of pathogens and minimizing emissions. - They are the standard recommendation under **Biomedical Waste Management Rules** for infectious waste disposal. *Incorrect: Triple-chamber* - While more advanced, **triple-chamber incinerators** are often overkill for standard infectious waste and are typically used for more complex or hazardous waste streams, or for very large volumes. - Their additional complexity and cost may not be justified for routine infectious waste disposal compared to double-chamber units. *Incorrect: Single-chamber* - **Single-chamber incinerators** are less efficient in burning infectious waste completely due to inadequate temperature control and gas retention time. - They tend to produce more harmful emissions and ash, making them unsuitable for effective and safe disposal of infectious materials. *Incorrect: None of the options* - This option is incorrect because **double-chamber incinerators** are specifically designed and widely recommended for the effective and safe incineration of infectious waste.

Q: The arthropod vector BEST KNOWN for transovarian transmission of multiple pathogens is -

Ticks. ***Ticks*** - Ticks are well-known for their diverse modes of pathogen transmission, including **transovarian transmission**, where pathogens are passed from an infected female tick to her offspring through the eggs. - This mechanism is crucial for the maintenance and spread of several tick-borne diseases, such as **Rocky Mountain spotted fever (caused by *Rickettsia rickettsii*)** and **Babesiosis** (caused by *Babesia* species). *Fleas* - Fleas are primarily known for transmitting pathogens such as *Yersinia pestis* (causing **plague**) and *Rickettsia typhi* (causing **murine typhus**) through their bites, but transovarian transmission is not their primary mode. - They typically transmit pathogens through **regurgitation** during feeding or by their **feces** being rubbed into the bite wound. *Sandfly* - Sandflies are vectors for diseases like **leishmaniasis**, caused by parasitic protozoa of the genus *Leishmania*. - They transmit these pathogens through **saliva** during blood meals, but transovarian transmission is not a significant feature of their lifecycle. *Mosquitoes* - Mosquitoes are vectors for a wide range of diseases, including **malaria**, **dengue**, **Zika**, and **West Nile virus**, primarily through the **injection of saliva** during blood feeding. - While some arboviruses can exhibit transovarian transmission in mosquitoes, it is not as prominent or broadly impactful across multiple pathogens as it is in ticks.

Q: The population norm for a trained health aide is:

1000. ***1000*** - According to public health guidelines, a single **trained health aide** is typically designated to serve a population of approximately **1,000 individuals**. - This staffing level allows for effective outreach, basic health services, and community engagement in primary healthcare. *5000* - A population of **5,000** would generally require multiple health aides or a more comprehensive primary health unit with a larger staff. - This ratio is too high for a single health aide to provide adequate care and coverage. *100000* - A population of **100,000** is far too large for a single trained health aide to manage, requiring an extensive healthcare system with numerous professionals. - This number represents a district or sub-district level population, not the responsibility of one aide. *30000* - Serving **30,000** people would be an impossible task for one health aide, as it far exceeds the standard allocation for community-level health services. - This population size usually necessitates a full-fledged primary health center or hospital.

Q: Ujjawala scheme is for prevention of

Child trafficking. **Child trafficking** - The **Ujjawala scheme** is a comprehensive project of the Ministry of Women and Child Development, Government of India, aimed at **preventing, rescuing, rehabilitating, reintegrating, and repatriating victims of human trafficking**, particularly women and children. - It addresses the severe human rights violation of **trafficking** by providing safe shelter, basic necessities, counseling, and vocational training to survivors. *Child marriage* - While child marriage is a serious issue, the primary focus of the **Ujjawala scheme** is on **combating human trafficking**, not specifically child marriage. - Other schemes like the **Prohibition of Child Marriage Act, 2006**, and various advocacy programs specifically target the prevention of child marriage. *Child abuse* - The **Ujjawala scheme** aims to help victims of trafficking, which often includes elements of abuse, but its direct mandate is focused on **trafficking as a whole**, not all forms of child abuse. - Other legislative frameworks and programs, such as the **Protection of Children from Sexual Offences (POCSO) Act, 2012**, directly address child abuse. *Child labour* - Although children involved in trafficking may be forced into child labor, the **Ujjawala scheme's** overarching objective is to tackle **human trafficking** in its entirety. - Specific efforts to combat child labor are primarily addressed by legislation like the **Child Labour (Prohibition and Regulation) Act, 1986**, and various campaigns against child exploitation.

Question 1

All following are at-risk group adults meriting Hepatitis B vaccination in low endemic areas except for which of the following?

Accepted Answer

Diabetics on insulin

Answer

Medical/nursing personnel

Answer

Patients with chronic liver disease

Answer

Patients on chronic hemodialysis

Question 2

India started 2-dose vaccination strategy for measles, in -

Accepted Answer

2010

Answer

2008

Answer

2009

Answer

2011

Question 3

What is the primary causative vector of Vagabond disease?

Accepted Answer

Louse

Answer

Mite

Answer

Tick

Answer

Black Fly

Question 4

Which of the following studies has given coronary risk factors?

Accepted Answer

Framingham

Answer

Stanford study

Answer

MONICA

Answer

North Karelia

Question 5

Best for Incineration of infectious waste?

Accepted Answer

Double - chamber

Answer

Triple - chamber

Answer

Single - chamber

Answer

None of the options

Question 6

The arthropod vector BEST KNOWN for transovarian transmission of multiple pathogens is -

Accepted Answer

Ticks

Answer

Fleas

Answer

Sandfly

Answer

Mosquitoes

Question 7

The population norm for a trained health aide is:

Accepted Answer

1000

Answer

5000

Answer

100000

Answer

30000

Question 8

Ujjawala scheme is for prevention of

Accepted Answer

Child trafficking

Answer

Child marriage

Answer

Child abuse

Answer

Child labour

NEET-PG 2012 — Community Medicine