Climate Change and Health Indian Medical PG Practice Questions and MCQs
Practice Indian Medical PG questions for Climate Change and Health. These multiple choice questions (MCQs) cover important concepts and help you prepare for your exams.
Climate Change and Health Indian Medical PG Question 1: Which vaccine protocol is recommended for health workers in disaster scenarios?
- A. Only routine immunization vaccines are needed
- B. Tetanus toxoid, typhoid, and hepatitis A vaccines are recommended (Correct Answer)
- C. Cholera vaccine alone is sufficient for health workers
- D. Tetanus toxoid alone provides adequate protection
Climate Change and Health Explanation: ***Tetanus toxoid, typhoid, and hepatitis A vaccines are recommended***
- Health workers in disaster scenarios face increased exposure to infectious diseases due to unsanitary conditions, contaminated food and water, and potential injuries. Current **WHO and CDC guidelines** recommend a comprehensive vaccination protocol including **tetanus toxoid**, **typhoid**, and **hepatitis A** vaccines.
- **Tetanus toxoid** is essential due to increased risk of injuries and potential exposure to *Clostridium tetani* through contaminated wounds, which are common in disaster settings.
- **Typhoid vaccine** protects against *Salmonella typhi* transmitted through contaminated food and water, a major risk in disaster-affected areas with disrupted sanitation.
- **Hepatitis A vaccine** is crucial as the virus spreads through the fecal-oral route, prevalent in areas with compromised water supply and sanitation infrastructure.
*Only routine immunization vaccines are needed*
- While routine immunizations provide baseline protection, they are insufficient to cover the specific occupational risks health workers face in disaster environments.
- Disaster scenarios introduce unique exposures that require additional targeted vaccination beyond standard schedules.
*Tetanus toxoid alone provides adequate protection*
- **Tetanus toxoid** is vital for preventing tetanus from wounds and injuries.
- However, it does not protect against other significant threats like **typhoid fever** and **hepatitis A**, which are major causes of morbidity in disaster settings with compromised sanitation.
*Cholera vaccine alone is sufficient for health workers*
- **Cholera vaccine** has limited role in disaster settings (50-60% efficacy, short duration).
- Current guidelines do NOT recommend routine cholera vaccination for health workers; it offers no protection against **typhoid**, **hepatitis A**, or **tetanus**, leaving workers vulnerable to more prevalent risks.
Climate Change and Health Indian Medical PG Question 2: Which of the following statements is incorrect regarding the strategic plan for malaria control 2012-2017?
- A. 50% reduction in mortality by 2017
- B. Objective is API < 1 per 10,000 (Correct Answer)
- C. Complete treatment to 100% of patients
- D. Annual incidence < 1 per 1000 by 2017
Climate Change and Health Explanation: ***Objective is API < 1 per 10,000***
- The correct objective for the **Annual Parasite Incidence (API)** in the 2012-2017 strategic plan for malaria control was to reduce it to **less than 1 per 1,000 population**, not 1 per 10,000, making this statement incorrect.
- This metric measures the number of new malaria cases per 1,000 people per year.
*50% reduction in mortality by 2017*
- A key objective of the **National Framework for Malaria Elimination in India** (which this strategic plan aimed to contribute to) was indeed to achieve a significant reduction in malaria-related mortality.
- Specifically, aiming for a **50% reduction in mortality** by 2017 was a stated goal to lessen the disease burden.
*Annual incidence < 1 per 1000 by 2017*
- One of the primary goals of the **Malaria Control Strategic Plan 2012-2017** was to reduce the annual parasite incidence (API) to **less than 1 per 1,000 population** in all endemic areas.
- This target focused on decreasing the occurrence of new malaria cases.
*Complete treatment to 100% of patients*
- A core component of malaria control strategies emphasizes ensuring that **all confirmed malaria cases** receive complete and effective treatment.
- Achieving **100% complete treatment adherence** is crucial to prevent drug resistance and eliminate the parasite reservoir.
Climate Change and Health Indian Medical PG Question 3: Fever increases water loss by how much for each degree Celsius increase in body temperature?
- A. 100 ml/day
- B. 200 ml/day (Correct Answer)
- C. 400 ml/day
- D. 800 ml/day
Climate Change and Health Explanation: ***200 ml/day***
- For every 1-degree Celsius (or 1.8-degree Fahrenheit) increase in body temperature, there is an approximate **200 ml increase in insensible water loss** per day due to increased metabolism and sweating.
- This value highlights the importance of **adequate fluid replacement** in febrile patients to prevent dehydration.
*100 ml/day*
- This value is **insufficient** to account for the increased insensible fluid losses associated with fever.
- Using this estimate could lead to **underestimation of fluid requirements** and potential dehydration in febrile patients.
*400 ml/day*
- This value is **higher than the typical estimated increase** in water loss per degree Celsius of fever.
- While extreme fever might cause higher losses, 200 ml/day is the standard clinical approximation for a 1-degree rise.
*800 ml/day*
- This value represents a **significant overestimation** of the fluid loss per degree Celsius increase in fever.
- Such a high estimate would generally be seen only in very severe conditions or with much larger temperature increases.
Climate Change and Health Indian Medical PG Question 4: Which of the following is a direct health impact of climate change?
- A. Heat-related illnesses (Correct Answer)
- B. Food insecurity and malnutrition
- C. Injuries from extreme weather events
- D. Increased vector-borne diseases
Climate Change and Health Explanation: ***Heat-related illnesses***
- Heat-related illnesses such as **heat stroke, heat exhaustion, and heat cramps** are direct health impacts of climate change resulting from increased frequency and intensity of **heat waves**.
- Rising global temperatures directly increase the risk of **hyperthermia**, particularly among vulnerable populations including the elderly, children, outdoor workers, and those with chronic diseases.
- This is considered a **primary direct health impact** as it results immediately from temperature changes without intermediate pathways.
*Increased vector-borne diseases*
- While vector-borne diseases (malaria, dengue, chikungunya) do increase with climate change due to expanded geographic range and breeding seasons of vectors, this is considered an **indirect health impact**.
- Climate change affects vector ecology through temperature, rainfall, and humidity changes, which then influences disease transmission - involving an intermediate biological pathway.
*Food insecurity and malnutrition*
- Food insecurity and malnutrition are significant health consequences of climate change but are classified as **indirect impacts**.
- They result from climate change effects on **agricultural productivity**, crop yields, food distribution systems, and water availability - multiple intermediate pathways exist between climate change and the health outcome.
*Injuries from extreme weather events*
- While injuries and deaths from extreme weather events (floods, cyclones, droughts) are important health impacts of climate change, they are often categorized differently from heat-related illnesses.
- Heat-related illnesses represent the most **direct physiological response** to the primary manifestation of climate change (rising temperatures), making it the best answer for a "direct" health impact.
Climate Change and Health Indian Medical PG Question 5: All of the following conditions are immediate priorities in the WHO's "Vision -2020: The Right to sight" except:
- A. Cataract
- B. Epidemic conjunctivitis (Correct Answer)
- C. Onchocerciasis
- D. Trachoma
Climate Change and Health Explanation: ***Epidemic conjunctivitis***
- While **epidemic conjunctivitis** can cause significant discomfort and temporary vision impairment, it is generally **self-limiting** and rarely leads to permanent blindness.
- It was not identified as one of the top five global causes of avoidable blindness targeted by the Vision 2020 initiative.
*Cataract*
- **Cataract** is the **leading cause of blindness** globally, accounting for approximately half of all cases.
- It is a highly treatable condition through surgery, making it a critical priority for Vision 2020.
*Onchocerciasis*
- Also known as **river blindness**, onchocerciasis is a parasitic disease that causes severe visual impairment and blindness.
- It is a significant public health problem in several regions, particularly in Africa, and was a key focus of Vision 2020 due to its widespread impact and the availability of preventive chemotherapy.
*Trachoma*
- **Trachoma** is the **leading infectious cause of blindness** worldwide, caused by *Chlamydia trachomatis*.
- Given its preventable and treatable nature, and its prevalence in many impoverished areas, it was designated as one of the priority diseases under Vision 2020.
Climate Change and Health Indian Medical PG Question 6: According to Sustainable Development Goal 3 (SDG 3) - 'Ensure healthy lives and promote well-being for all at all ages', what is the target for reducing the global maternal mortality ratio by 2030?
- A. 100
- B. 50
- C. 70 (Correct Answer)
- D. 90
Climate Change and Health Explanation: ***70***
- SDG 3 aims to reduce the **global maternal mortality ratio** to less than **70 per 100,000 live births** by 2030.
- This target emphasizes improving maternal health outcomes worldwide and preventing deaths related to pregnancy and childbirth.
*100*
- While a reduction is sought, a target of 100 per 100,000 live births is **not ambitious enough** to meet the specific goal set by SDG 3.
- The established global target is lower, reflecting a greater commitment to maternal health.
*50*
- A target of 50 per 100,000 live births would be **more ambitious** than the SDG 3 goal.
- While desirable, it is not the specific, agreed-upon target for the global average under SDG 3.
*90*
- A target of 90 per 100,000 live births is **higher** than the established SDG 3 goal.
- This value does not align with the specific global maternal mortality ratio target set for 2030.
Climate Change and Health Indian Medical PG Question 7: During the post-disaster period, the most commonly reported disease is:
- A. Acute respiratory infections
- B. Gastroenteritis (Correct Answer)
- C. Tetanus
- D. Urinary tract infection
Climate Change and Health Explanation: ***Gastroenteritis***
- Disasters often lead to **disruption of water supply and sanitation systems**, increasing the risk of **contaminated food and water**.
- This contamination directly contributes to the spread of **enteric pathogens**, resulting in a surge of gastroenteritis cases.
*Acute respiratory infections*
- While common in crowded conditions and displaced populations, acute respiratory infections are usually associated with **poor ventilation** and close contact, not primary water and sanitation breakdown.
- They tend to increase due to **stress** and **overcrowding** in shelters, but typically after the immediate threat of waterborne diseases.
*Tetanus*
- Tetanus is associated with **puncture wounds** contaminated with *Clostridium tetani* spores from soil or feces.
- While increased injuries might occur during a disaster, **widespread environmental contamination** leading to a high incidence of tetanus is less common than waterborne diseases.
*Urinary tract infection*
- Urinary tract infections are primarily caused by **bacterial ascension** into the bladder and are less directly linked to large-scale environmental changes post-disaster.
- Their incidence may increase due to **poor hygiene** or lack of access to proper sanitation facilities but is not typically the most reported widespread disease.
Climate Change and Health Indian Medical PG Question 8: All are true about Swajaldhara programme except:
- A. Encourage water harvesting practices
- B. Provide drinking water in Rural areas
- C. State government maintain and manage all water supply (Correct Answer)
- D. Community led, participatory program
Climate Change and Health Explanation: ***State government maintain and manage all water supply***
- The **Swajaldhara programme** emphasizes a **community-driven approach**, where local communities are responsible for the operation and maintenance of the water supply systems.
- This program aimed to shift away from complete government control, promoting **local ownership and sustainability**.
*Encourage water harvesting practices*
- The Swajaldhara scheme actively promoted and supported **water conservation methods**, including **rainwater harvesting**, to ensure the long-term availability of water resources.
- This was an integral part of its strategy to enhance **water security** in rural areas.
*Provide drinking water in Rural areas*
- The primary objective of the Swajaldhara programme was to improve access to and the quality of **drinking water supplies** in **rural areas** of India.
- It focused on providing safe and adequate drinking water to underserved rural populations.
*Community led, participatory program*
- Swajaldhara was designed as a **demand-driven and community-led initiative**, requiring beneficiaries to contribute to the capital cost and take responsibility for managing the water schemes.
- This **participatory approach** fostered self-reliance and empowerment within the local communities.
Climate Change and Health Indian Medical PG Question 9: WHO definition of health does not include?
- A. Physical health
- B. Mental health
- C. Environmental health (Correct Answer)
- D. Social health
Climate Change and Health Explanation: ***Environmental health***
- The **WHO definition of health** (1948) famously defines health as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity."
- While environmental factors are crucial for health, the term **"environmental health"** is not explicitly listed as one of the core components in this specific definition.
*Physical health*
- This is an integral part of the **WHO definition**, referring to the overall condition of the body and its proper functioning.
- It encompasses bodily integrity and the absence of **physical disease or disability**.
*Mental health*
- This is a key component of the **WHO definition**, emphasizing a state of well-being where an individual realizes his or her own abilities, can cope with the normal stresses of life, can work productively, and is able to make a contribution to his or her community.
- It covers both **psychological** and **emotional well-being**.
*Social health*
- This is explicitly included in the **WHO definition**, referring to the ability to form meaningful relationships with others and adapt to social situations.
- It involves the capacity to **interact successfully** within social settings and actively participate in the community.
Climate Change and Health Indian Medical PG Question 10: Which of the following statements about leptospirosis is true?
- A. Rats are prime reservoirs (Correct Answer)
- B. Fluoroquinolones are the drug of choice
- C. Person to person Transmission is common
- D. Hepatorenal syndrome may occur in severe cases
Climate Change and Health Explanation: ***Rats are prime reservoirs***
- **Rats** and other wild and domestic animals (e.g., cattle, pigs, dogs, rodents) are the primary **reservoir hosts** for *Leptospira* bacteria, shedding the bacteria in their urine.
- Humans become infected through contact with contaminated water or soil, or infected animal tissues/urine.
*Fluoroquinolones are the drug of choice*
- **Fluoroquinolones** are generally not the drug of choice for leptospirosis.
- First-line treatment typically involves **doxycycline** for mild cases and **intravenous penicillin G** or **ceftriaxone** for severe disease.
*Person to person Transmission is common*
- **Person-to-person transmission** of leptospirosis is extremely rare and not considered a common route of infection.
- The disease is usually acquired through environmental exposure to contaminated animal urine.
*Hepatorenal syndrome may occur in severe cases.*
- While **hepatic** (liver) and **renal** (kidney) dysfunction are characteristic of severe leptospirosis (Weil's disease), the term **hepatorenal syndrome** is a specific diagnosis describing acute kidney injury in patients with advanced liver cirrhosis.
- The kidney and liver damage in leptospirosis are direct effects of the bacterial infection, rather than a secondary complication of liver cirrhosis.
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