Disaster Management — MCQs

Disaster Management Indian Medical PG Practice Questions and MCQs

Question 61: In disaster management, which of the following statements is false?

A. Mitigation before a disaster strikes
B. Response in pre-disaster phase (Correct Answer)
C. Gastroenteritis is commonest infection after disaster
D. Yellow colour is for medium priority

Explanation: ***Response in pre-disaster phase*** - The **response phase** of disaster management occurs *during* or immediately *after* a disaster strikes, involving actions like search-and-rescue and emergency medical care. - Pre-disaster phases focus on **mitigation** and **preparedness**, such as developing emergency plans and training personnel, not active response. *Mitigation before a disaster strikes* - **Mitigation** refers to activities that reduce the likelihood or impact of a disaster, such as building codes or flood control, and is indeed carried out *before* an event. - This statement is **true** as it correctly describes a proactive measure taken in the pre-disaster phase. *Yellow colour is for medium priority* - In **disaster triage (START method)**, the color yellow is assigned to victims who are designated as **"delayed"** or "medium priority". - These individuals have injuries that require medical attention but are not immediately life-threatening, allowing them to wait for a short period before receiving care. *Gastroenteritis is commonest infection after disaster* - **Gastroenteritis** (diarrheal diseases) is indeed one of the most common infections observed after a disaster. - This is primarily due to disruption of safe water supplies, poor sanitation, and overcrowding, leading to the rapid spread of **waterborne and foodborne pathogens**.

Question 62: In immediate disaster response management (first 24-48 hours), which of the following is not typically practiced?

A. Rehabilitation
B. Triage
C. Mass vaccination (Correct Answer)
D. Search and rescue

Explanation: ***Mass vaccination*** - **Mass vaccination** is typically a strategy for **preparedness/prevention phase** or **post-disaster disease prevention**, not an immediate disaster response activity. - Immediate disaster response focuses on **saving lives, providing emergency medical care, establishing shelter, and restoring critical infrastructure**, rather than large-scale preventative health campaigns. - Mass vaccination requires **planning, logistics, cold chain management**, which are incompatible with chaotic immediate response scenarios. *Triage* - **Triage** is a **critical and immediate** component of disaster response, involving the **prioritization of injured patients** for treatment based on severity and survival likelihood. - It ensures limited resources are allocated effectively to **maximize lives saved** during the acute phase. - Typically uses **color-coded tags** (red-immediate, yellow-delayed, green-minor, black-deceased). *Rehabilitation* - While **rehabilitation** is part of the **recovery phase** (weeks to months post-disaster), **early rehabilitation activities** may begin during the immediate response period. - Basic rehabilitation services like **mobility aids, psychological first aid**, can be initiated alongside acute care. - This makes it partially practiced even in immediate response, unlike mass vaccination which is never immediate. *Search and rescue* - **Search and rescue** is the **primary immediate response activity**, focusing on locating and extracting survivors from disaster-affected areas. - Time-critical operation following the **"golden period"** principle where survival rates decrease rapidly after 72 hours. - Involves specialized teams with equipment for **debris removal, victim location, and emergency extraction**.

Question 63: Which of the following is NOT typically associated with the recovery phase after a disaster?

A. Rehabilitation
B. Reconstruction
C. Response (Correct Answer)
D. Mitigation

Explanation: ***Response (Correct Answer)*** - **Response** activities occur during or immediately after the disaster event, NOT in the recovery phase - Includes immediate search and rescue, medical triage, emergency shelter provision, and acute crisis management - The goal is to **save lives, protect property**, and meet basic human needs during the acute crisis (typically 0-72 hours) - This is distinct from the recovery phase, which begins after the immediate emergency is controlled *Rehabilitation* - **Rehabilitation** is a key component of the **recovery phase** - Focuses on restoring services and infrastructure to acceptable levels after the initial emergency - Includes both physical recovery of individuals and return to functionality of critical systems like utilities and healthcare *Reconstruction* - **Reconstruction** is a major part of the **recovery phase** - Involves rebuilding infrastructure, homes, and communities, often to a better, more resilient standard than before - This is often a lengthy process aiming for long-term stability and development *Mitigation* - While **mitigation** can be incorporated into recovery planning, it is primarily focused on **future disaster prevention** - Measures taken to reduce the **loss of life and property** from future disasters - Can be implemented before a disaster strikes or planned during recovery, but the emphasis is on **risk reduction for future events** rather than immediate restoration from the current event

Question 64: Which of the following vaccines is not typically given in disaster situations?

A. Influenza (Correct Answer)
B. Measles
C. Cholera
D. Tetanus

Explanation: ***Influenza*** - **Influenza vaccination** is generally **NOT a priority** in acute disaster response and emergency vaccination campaigns. - While influenza can spread in crowded conditions, routine disaster response protocols focus on **immediately life-threatening and epidemic-prone diseases** rather than seasonal respiratory infections. - Influenza vaccination requires **cold chain maintenance** and repeated doses, making it logistically challenging in emergency settings. - WHO and SPHERE guidelines do not list influenza among priority vaccines for disaster situations unless there is a specific ongoing outbreak. *Cholera* - **Oral cholera vaccine (OCV)** is increasingly recommended by WHO for disaster settings with **high cholera risk**, particularly in areas with poor water and sanitation. - Modern OCVs (like Shanchol and Euvichol) have improved **cost-effectiveness** and logistics, making them viable for mass campaigns. - Used in conjunction with **WASH interventions** (water, sanitation, hygiene) for comprehensive cholera control. *Measles* - **Measles vaccination** is the **highest priority** vaccine in disaster response, particularly for children aged 6 months to 15 years. - Its **extreme contagiousness** (R0 = 12-18) and high mortality in malnourished populations make it critical. - WHO recommends measles vaccination within the **first days** of a disaster response in displacement settings. *Tetanus* - **Tetanus toxoid** (often as Td or DT) is essential in disasters involving injuries, floods, earthquakes, or debris. - Protects against **_Clostridium tetani_** infection from contaminated wounds. - Part of standard **wound management protocols** in emergency medical care.

Question 65: Which of the following is the nodal centre for disaster management at the district level in India?

A. District Collector's office (Correct Answer)
B. PHC
C. Emergency Operations Center (EOC)
D. CHC

Explanation: ***District Collector's office*** - The **District Collector (Deputy Commissioner/District Magistrate)** is the **chairperson of the District Disaster Management Authority (DDMA)** as per the Disaster Management Act, 2005. - The District Collector's office serves as the **nodal centre for all disaster management activities** at the district level, with overall administrative and operational responsibility. - The District Collector coordinates all disaster preparedness, response, relief, and rehabilitation activities in the district. *Emergency Operations Center (EOC)* - The **EOC** is a **functional/operational unit** that assists in disaster coordination and information management. - It serves as a support mechanism for the District Collector but is **not the nodal agency itself**. - The EOC operates under the administrative framework of the District Disaster Management Authority. *PHC* - A **Primary Health Centre (PHC)** is the first point of contact for healthcare in rural areas. - Its role in disasters is limited to providing initial medical aid and supporting community health needs. - It is not an administrative or coordinating body for overall disaster management. *CHC* - A **Community Health Centre (CHC)** provides secondary healthcare services and acts as a referral center for PHCs. - While important for medical response during disasters, it has no administrative role in disaster management coordination.

Question 66: What is the most critical priority in reducing mortality in the immediate aftermath of natural disasters?

A. Disease surveillance and outbreak prevention
B. Establishment of temporary medical facilities
C. Triage and prioritization of casualties (Correct Answer)
D. Psychological support and trauma counseling

Explanation: ***Triage and prioritization of casualties*** - Effective and rapid **triage** is the most critical priority in the immediate aftermath to identify those with life-threatening injuries who require immediate intervention. - **Proper triage saves lives** by ensuring that patients with reversible life-threatening conditions (airway obstruction, severe hemorrhage, tension pneumothorax) receive immediate care. - Failures in accurate assessment and prioritization lead to preventable deaths due to delayed care for critically injured individuals who could have been saved. - The **"Golden Hour"** principle in trauma care emphasizes that immediate identification and treatment of critical injuries dramatically improves survival. *Establishment of temporary medical facilities* - While essential for ongoing care, establishing temporary medical facilities addresses longer-term needs and care for a larger volume of patients. - These facilities are important but take time to set up and do not address the immediate life-threatening injuries requiring urgent intervention. - Without effective triage first, even well-equipped facilities cannot optimally reduce immediate mortality. *Disease surveillance and outbreak prevention* - This is a critical public health measure in the days and weeks following a natural disaster to prevent secondary health crises. - However, it does not directly impact the **immediate mortality** caused by acute trauma, injuries, or medical emergencies resulting from the disaster itself. - Epidemic diseases typically emerge days to weeks post-disaster, not in the immediate aftermath. *Psychological support and trauma counseling* - Providing psychological support is vital for addressing mental health consequences and long-term recovery. - While important for overall well-being and preventing long-term psychiatric morbidity, it does not address immediate life-threatening physical injuries. - Mental health interventions become increasingly important after the acute phase when immediate physical threats are managed.

Question 67: Which triage color is specifically designated for ambulatory patients with minor injuries?

A. Red - immediate life-threatening injuries
B. Green - ambulatory patients (Correct Answer)
C. Blue - not a standard color in triage
D. Yellow - requires observation

Explanation: ***Green - ambulatory patients*** - **Green** is designated for **minor injuries** and ambulatory patients who are able to walk and have injuries that are not immediately life-threatening. - These patients are often referred to as the "walking wounded" and can typically wait for treatment without significant risk to their health. *Red - immediate life-threatening injuries* - **Red** is assigned to patients with **critical, life-threatening injuries** who require immediate intervention to survive. - These patients cannot wait and need rapid medical attention for conditions like severe hemorrhage, airway obstruction, or shock. *Blue - not a standard color in triage* - While some specialized triage systems may use **blue** (e.g., for expectant or deceased), it is **not a universally standard color** in typical mass casualty triage. - Standard triage systems primarily use colors like Red, Yellow, Green, and Black. *Yellow - requires observation* - **Yellow** is used for patients with **serious, but stable, injuries** that require observation and treatment within a few hours. - These patients are not immediately life-threatening but need more than minor care, such as those with non-severe fractures or moderate burns.

Question 68: What does the black color signify in the triage system?

A. Deceased (Correct Answer)
B. Transfer to hospital
C. Immediate treatment required
D. Low priority treatment

Explanation: ***Correct: Deceased (Black Tag)*** - In a **mass casualty incident (MCI)**, the color black in the triage system signifies that an individual is **deceased** or has injuries so severe that survival is unlikely given the available resources. - Triage efforts focus on those with a higher chance of survival, and time and resources are not allocated for resuscitation of black-tagged individuals. *Incorrect: Transfer to hospital* - This is not a color classification but rather an action taken after a patient has been triaged, typically for those with **yellow** or **red** tags. - The color tags themselves denote the **urgency of medical intervention**, not the destination. *Incorrect: Immediate treatment required* - This status is typically represented by a **red tag**, indicating a patient with life-threatening injuries who requires immediate intervention. - Individuals with a red tag have a high priority for rapid medical treatment and transport. *Incorrect: Low priority treatment* - This status is usually represented by a **green tag**, indicating patients with minor injuries who can wait for treatment. - These individuals are often referred to as "walking wounded" and do not require immediate medical attention.

Question 69: Which of the following is NOT a communicable disease that can spread during a disaster?

A. Cholera
B. Influenza
C. Tuberculosis
D. Malnutrition (Correct Answer)

Explanation: ***Malnutrition*** - **Malnutrition** is a condition resulting from an insufficient or unbalanced dietary intake, not directly caused by an infectious agent. - While it can be exacerbated by disasters due to food scarcity and disruption of infrastructure, it is not a **communicable disease** that spreads from person to person. *Cholera* - **Cholera** is a severe diarrheal disease caused by the bacterium *Vibrio cholerae*, which spreads through contaminated water and food, often prevalent in disaster settings. - Its rapid transmission via the **fecal-oral route** makes it a significant communicable disease threat during emergencies with disrupted sanitation. *Influenza* - **Influenza**, or the flu, is a highly contagious respiratory illness caused by influenza viruses, spreading through airborne droplets from coughing or sneezing. - Overcrowded conditions and poor ventilation during disasters can facilitate its rapid **person-to-person transmission**. *Tuberculosis* - **Tuberculosis (TB)** is an infectious disease caused by the bacterium *Mycobacterium tuberculosis*, primarily affecting the lungs and spreading through airborne particles. - Prolonged close contact in shelters or temporary housing during a disaster can increase the risk of **TB transmission** among displaced populations.

Question 70: Which of the following statements about triage priority classification is TRUE?

A. Red - first priority (Correct Answer)
B. Black - highest priority for immediate treatment
C. Green - critical injuries requiring immediate attention
D. Yellow - most critical patients requiring immediate intervention

Explanation: ***Red - first priority*** - In a **triage system**, patients classified as **Red** have immediate, **life-threatening injuries** that require urgent intervention. - They are considered the **highest priority** for medical treatment to optimize their chances of survival. *Black - highest priority for immediate treatment* - **Incorrect**: Patients classified as **Black** are typically those who are **fatally injured** or have died. - Their injuries are so severe that survival is unlikely even with immediate medical intervention, making them the **lowest priority for resuscitative efforts**, not the highest. *Green - critical injuries requiring immediate attention* - **Incorrect**: **Green-tagged** patients have **minor injuries** that are not life-threatening and can often wait for treatment. - These injuries do **not require immediate attention** and can be managed after more critical patients. *Yellow - most critical patients requiring immediate intervention* - **Incorrect**: **Yellow-tagged** patients have **serious injuries** that require medical attention but are **not immediately life-threatening**. - They are considered the second highest priority after red-tagged patients, indicating a need for **delayed but definite care**.

Practice by Chapter

Classification of Disasters

Practice Questions

Disaster Cycle and Management

Practice Questions

Disaster Preparedness

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Risk Assessment and Vulnerability Analysis

Practice Questions

Early Warning Systems

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Disaster Response

Practice Questions

Triage in Mass Casualties

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Emergency Medical Services

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Psychosocial Support in Disasters

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Post-Disaster Rehabilitation

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Disaster Documentation and Reporting

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Disaster Drills and Training

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