Disaster Management — MCQs

Disaster Management Indian Medical PG Practice Questions and MCQs

Question 11: Which statement is true about triage?

A. Yellow tag indicates least priority.
B. Red tag indicates high morbidity.
C. Green tag indicates ambulatory patients. (Correct Answer)
D. Blue tag indicates ambulatory patients.

Explanation: **Explanation:** Triage is the process of rapidly classifying victims during a disaster based on the severity of their injuries and their likelihood of survival with immediate medical intervention. The goal is to do the "greatest good for the largest number of people." **Why the correct answer is right:** * **Green Tag (Priority III):** These are "walking wounded" or **ambulatory patients**. They have minor injuries (e.g., small lacerations, sprains) that can wait several hours for treatment. In a disaster scene, they are often asked to move to a designated area, effectively self-triaging by their ability to walk. **Analysis of incorrect options:** * **Option A (Yellow Tag):** This indicates **Medium Priority (Priority II)**, not least priority. These patients have serious but not immediately life-threatening injuries (e.g., stable fractures) and require care within 1–6 hours. * **Option B (Red Tag):** This indicates **Highest Priority (Priority I)**. It is based on **high mortality risk**, not just morbidity. These patients require immediate life-saving interventions (e.g., airway obstruction, tension pneumothorax) to survive. * **Option D (Blue Tag):** In the standard international color-coding system, Blue is not used for ambulatory patients. In some systems, Blue (or Black) is used for the "Expectant" category—those who are deceased or have injuries so severe they are unlikely to survive even with care. **NEET-PG High-Yield Pearls:** * **Color Hierarchy:** Red (Immediate) > Yellow (Delayed) > Green (Minor) > Black (Dead/Moribund). * **Triage Tag:** Should be tied to the **wrist or ankle**, never to clothing or unattached equipment. * **Mnemonic:** Remember **30-2-Can Do** for Red Tags (Respirations >30, Capillary refill >2 seconds, or cannot follow commands). * **Triage Officer:** Usually the most experienced person (often a senior doctor or nurse) who does not provide treatment but only categorizes.

Question 12: During a disaster, rapidly classifying the injured on the basis of likelihood of their survival with prompt medical intervention, is a part of which process?

A. Search, rescue and first aid
B. Tagging
C. Triage (Correct Answer)
D. Disaster mitigation

Explanation: **Explanation:** **1. Why Triage is Correct:** Triage is the process of rapidly screening and classifying sick or injured persons during a disaster based on the **severity of their condition** and their **likelihood of survival** with immediate medical intervention. The primary objective is to "do the greatest good for the largest number of people" by prioritizing those who are salvageable but require urgent care over those who are either minorly injured or beyond help. **2. Analysis of Incorrect Options:** * **Search, Rescue, and First Aid:** This is the immediate field response aimed at locating victims and providing basic life-saving measures (e.g., stopping hemorrhage) before they are formally categorized for transport. * **Tagging:** This is a *component* of triage, not the process itself. Tagging involves using color-coded cards (Red, Yellow, Green, Black) to identify the priority assigned to a patient after they have been triaged. * **Disaster Mitigation:** This refers to long-term measures taken *before* a disaster occurs to reduce its impact (e.g., building earthquake-resistant structures or improving legislation). **3. High-Yield Clinical Pearls for NEET-PG:** * **Color Coding in Triage:** * **Red (High Priority):** Immediate resuscitation needed (e.g., airway obstruction, tension pneumothorax). * **Yellow (Medium Priority):** Urgent but can wait 1–6 hours (e.g., stable fractures). * **Green (Low Priority):** "Walking wounded"; minor injuries. * **Black (Dead/Moribund):** Deceased or injuries so severe they are unlikely to survive even with care. * **Blue Tag:** Sometimes used for patients needing intensive care but with a low chance of survival (used in some protocols between Red and Black). * **Triage Sieve:** The initial rapid assessment used to separate the dead/dying from the living.

Question 13: According to the most common internationally accepted classification of the Triage system, which color code indicates high priority treatment or transfer?

A. Black
B. Red (Correct Answer)
C. Yellow
D. Blue

Explanation: **Explanation:** Triage is the process of prioritizing patients based on the severity of their condition to maximize the number of survivors during a mass casualty incident (MCI). The most widely accepted international system is the **color-coded tagging system**. **Why Red is Correct:** The **Red Tag (Priority I)** indicates "Immediate" care. These patients have life-threatening injuries but a high probability of survival if treated immediately. Examples include airway obstruction, tension pneumothorax, or uncontrolled external hemorrhage. They are the highest priority for treatment and transport. **Analysis of Incorrect Options:** * **Yellow (Priority II):** Indicates "Delayed" care. These patients have serious but stable injuries (e.g., large bone fractures without shock). They can wait 1–2 hours for treatment. * **Black (Priority 0/IV):** Indicates "Dead or Moribund." These patients are either deceased or have injuries so severe (e.g., exposed brain matter) that survival is unlikely even with care. They are the lowest priority. * **Blue:** While some systems use Blue for "Expectant" (similar to Black), it is not part of the standard four-color international triage system (Red, Yellow, Green, Black). **Green (Priority III)** is the fourth standard color, representing the "Walking Wounded." **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic:** Use **"R-Y-G-B"** (Red-Immediate, Yellow-Delayed, Green-Minor, Black-Dead). * **START Protocol:** The "Simple Triage and Rapid Treatment" (START) protocol uses three criteria: **Respiration, Perfusion, and Mental Status (RPM)** to assign tags. * **Tagging Order:** In a disaster, the first step is often to ask everyone who can walk to move to a designated area; these are automatically tagged **Green**. * **Disaster Cycle:** Remember that Triage occurs during the **Response** phase of the disaster management cycle.

Question 14: In a disaster situation, what triage color is assigned to a moribund patient?

A. Red
B. Black (Correct Answer)
C. Yellow
D. Green

Explanation: In disaster management, **Triage** is the process of prioritizing patients based on the severity of their condition and the likelihood of survival with available resources. ### **Explanation of the Correct Answer** **Option B (Black)** is the correct answer. The color **Black** is assigned to patients who are either dead or **moribund** (at the point of death). In a mass casualty incident (MCI), resources are limited. A moribund patient has injuries so severe that they have a minimal chance of survival even with intensive care. To maximize the number of lives saved overall, these patients are categorized as "Expectant," meaning they are provided palliative care (comfort) rather than life-saving interventions. ### **Analysis of Incorrect Options** * **Option A (Red):** Assigned to **High Priority** patients with life-threatening injuries who have a high chance of survival if treated immediately (e.g., tension pneumothorax, airway obstruction). * **Option C (Yellow):** Assigned to **Medium Priority** patients who are stable but require surgery or hospitalization (e.g., compound fractures without shock). They can wait 1–6 hours. * **Option D (Green):** Assigned to **Low Priority** or "walking wounded" with minor injuries (e.g., abrasions, minor sprains). ### **High-Yield Clinical Pearls for NEET-PG** * **Triage Tagging:** Uses the **START** (Simple Triage and Rapid Treatment) protocol. * **The Goal:** "To do the greatest good for the largest number of people." * **Blue Tag:** In some older classifications, Blue was used for the moribund, but the standard international and WHO-recognized color for dead/dying is **Black**. * **Re-triage:** Triage is a continuous process; a patient's color code can change if their clinical status deteriorates or improves.

Question 15: Disaster management day is observed in which week of the year?

A. Second week of November
B. Second week of October (Correct Answer)
C. Fourth week of October
D. Fourth week of November

Explanation: **Explanation:** The correct answer is **B. Second week of October**. **1. Understanding the Correct Answer:** The United Nations General Assembly (UNGA) designated **October 13th** as the **International Day for Disaster Risk Reduction (IDDRR)**. This day is observed annually to promote a global culture of risk-awareness and disaster reduction. In the context of public health and community medicine, it falls within the **second week of October**. The primary goal is to educate the public on how to take action to reduce their exposure to disasters and to highlight the importance of the Sendai Framework for Disaster Risk Reduction. **2. Analysis of Incorrect Options:** * **A & D (November):** There are no major internationally recognized disaster management observances in November. November 19th is World Toilet Day, and November 14th is World Diabetes Day. * **C (Fourth week of October):** While late October includes United Nations Day (Oct 24th), it does not align with the specific mandate for disaster risk reduction. **3. High-Yield Clinical Pearls for NEET-PG:** * **Triage:** The most critical aspect of disaster management. Remember the color coding: **Red** (Immediate/Life-threatening), **Yellow** (Urgent/Stable), **Green** (Ambulatory/Minor), and **Black** (Dead/Moribund). * **Disaster Cycle:** It consists of four phases: Mitigation $\rightarrow$ Preparedness $\rightarrow$ Response $\rightarrow$ Recovery. * **Epidemiology of Disasters:** The most common cause of death in the immediate post-disaster phase is trauma; however, in the long term, communicable diseases (due to overcrowding and poor sanitation) pose the greatest risk. * **National Authority:** In India, the **NDMA** (National Disaster Management Authority) is headed by the Prime Minister.

Question 16: In disaster management, which of the following statements is NOT true?

A. Response occurs in the pre-disaster phase. (Correct Answer)
B. Mitigation measures are implemented before a disaster strikes.
C. Maximum mortality is reported from hydrological disasters.
D. The most common disease reported after a disaster is gastroenteritis.

Explanation: ### Explanation **1. Why Option A is the Correct Answer (The "Not True" Statement):** In the Disaster Management Cycle, **Response** is the phase that occurs **immediately after** a disaster strikes (Impact phase). Its primary goals are to save lives, reduce health impacts, and ensure public safety. The **Pre-disaster phase** consists of *Mitigation* (reducing risk) and *Preparedness* (planning and training). Therefore, stating that response occurs in the pre-disaster phase is chronologically incorrect. **2. Analysis of Other Options:** * **Option B:** Mitigation involves measures taken in advance to minimize the destructive effects of a hazard (e.g., building earthquake-resistant structures). It is correctly implemented **before** a disaster. * **Option C:** According to global epidemiological data, **Hydrological disasters** (floods, tsunamis) account for the highest percentage of deaths and affect the largest number of people globally. * **Option D:** Post-disaster, the breakdown of sanitation and contamination of water sources leads to **Gastroenteritis** (diarrheal diseases) being the most frequently reported morbidity. **3. High-Yield Clinical Pearls for NEET-PG:** * **Triage:** The most critical step in the Response phase. Uses color coding: **Red** (High priority/Immediate), **Yellow** (Medium priority/Delayed), **Green** (Ambulatory/Minor), and **Black** (Dead/Moribund). * **Disaster Impact:** The "Golden Hour" refers to the first 60 minutes after trauma where prompt medical intervention has the highest likelihood of preventing death. * **Epidemiology:** While gastroenteritis is the most common *disease*, the most common *cause of death* in the immediate impact phase is usually trauma/asphyxiation. * **Tagging:** In a disaster, a patient who is dead or has no chance of survival is tagged **Black**, unlike routine clinical practice where every effort is made to resuscitate.

Question 17: Triage means:

A. First come, first served basis
B. Treating the person with the better prognosis
C. Labeling the dead patients
D. Identifying seriously ill patients who need treatment first (Correct Answer)

Explanation: **Explanation:** **Triage** is a French word meaning "to sort." In disaster management, it refers to the process of rapidly evaluating and categorizing victims based on the **severity of their injuries** and their **likelihood of survival** with prompt medical intervention. 1. **Why Option D is correct:** The primary objective of triage is to do the "greatest good for the largest number of people" with limited resources. By identifying seriously ill patients who require immediate treatment (Red Tag), medical personnel can prioritize life-saving interventions for those who would otherwise perish, rather than wasting time on those with minor injuries or those who are beyond help. 2. **Why other options are incorrect:** * **Option A:** "First come, first served" is inefficient in disasters; a person with a minor scratch arriving first should not be treated before a person with an obstructed airway arriving second. * **Option B:** While prognosis is a factor, triage focuses on **urgency**. A patient with a "better" prognosis (e.g., a simple fracture) is actually given lower priority than someone with a critical but treatable injury. * **Option C:** Labeling the dead is only one small component of the triage process (Black Tag), not its definition or primary purpose. **High-Yield Clinical Pearls for NEET-PG:** * **Color Coding System:** * **Red (Immediate):** Life-threatening injuries but treatable (e.g., tension pneumothorax, airway obstruction). * **Yellow (Delayed):** Serious but not immediately life-threatening (e.g., stable fractures). * **Green (Minor):** "Walking wounded." * **Black (Dead/Moribund):** Dead or injuries so severe survival is unlikely. * **Tagging:** In a disaster, the triage tag is usually tied to the **left wrist**. * **Re-triage:** Triage is a continuous process; a patient's status can change from Yellow to Red rapidly.

Question 18: What is the least priority color code in triage?

A. Red
B. Yellow
C. Black (Correct Answer)
D. Green

Explanation: In disaster management, **Triage** is the process of prioritizing patients based on the severity of their condition and the likelihood of survival with available resources. ### **Explanation of the Correct Answer** **Option C (Black)** is the correct answer because it represents the **"Dead or Moribund"** category. In a mass casualty incident (MCI), resources are limited. Patients tagged with a black code are either already deceased or have injuries so severe (e.g., exposed brain matter, 90% burns) that they are unlikely to survive even with intensive care. Therefore, they are assigned the **lowest priority** for evacuation and treatment to ensure resources are directed toward those who can be saved. ### **Analysis of Incorrect Options** * **A. Red (Highest Priority):** These are "Immediate" cases. They have life-threatening injuries (e.g., tension pneumothorax, airway obstruction) but a high chance of survival if treated immediately. * **B. Yellow (Medium Priority):** These are "Delayed" cases. They require systemic care but are currently stable (e.g., compound fractures without shock). They can wait 1–6 hours. * **D. Green (Lowest Treatment Priority/Walking Wounded):** While these patients have minor injuries, they are still prioritized *above* the Black category because they are living and require eventual care. ### **High-Yield Clinical Pearls for NEET-PG** * **Mnemonic (M.A.S.H.):** **M**oribund (Black), **A**mbulatory (Green), **S**table (Yellow), **H**azardous/Urgent (Red). * **START Protocol:** The most common triage tool used is **Simple Triage and Rapid Treatment**. It relies on three parameters: **Respiration, Perfusion, and Mental Status (RPM).** * **Triage Tag:** Usually tied to the left wrist or ankle. * **Triage Sieve:** Used for initial sorting; **Triage Sort:** Used for formal assessment at the Medical Aid Post. * **Inverse Triage:** In military settings or specific emergencies, the "walking wounded" (Green) may be treated first to return them to duty quickly.

Question 19: What is the nodal center in disaster management?

A. Primary Health Centre (PHC)
B. District (Correct Answer)
C. Sub Centre
D. Community Health Centre (CHC)

Explanation: **Explanation:** In the framework of disaster management in India, the **District** is considered the most critical unit and the **Nodal Center** for all relief and rescue operations. This is because the District Administration, led by the District Collector/Magistrate, possesses the administrative authority, resource mobilization capacity, and legal powers (under the Disaster Management Act, 2005) to coordinate between various departments like health, police, fire services, and revenue. **Why the other options are incorrect:** * **Sub-Centre & PHC (Options A & C):** These are the peripheral tiers of the healthcare delivery system. While they are the first points of contact for rural populations, they lack the infrastructure, manpower, and administrative jurisdiction to manage a large-scale disaster independently. * **CHC (Option D):** A Community Health Centre serves as a referral unit for PHCs, but its scope is limited to medical management within a specific block. It does not have the multi-sectoral coordination power required to function as a nodal center. **High-Yield Facts for NEET-PG:** * **Golden Hour:** The first hour after a disaster/trauma where prompt medical intervention has the highest likelihood of preventing death. * **Triage:** The process of prioritizing patients based on the severity of their condition. The **Red Tag** (Highest priority) is for life-threatening injuries that are treatable. * **Disaster Cycle:** Includes Mitigation $\rightarrow$ Preparedness $\rightarrow$ Response $\rightarrow$ Recovery. * **Nodal Ministry:** At the National level, the **Ministry of Home Affairs** is the nodal ministry for disaster management (except for droughts, which fall under the Ministry of Agriculture).

Question 20: Which natural disaster causes the most widespread damage?

A. Flood (Correct Answer)
B. Earthquake
C. Landslides
D. Volcanoes

Explanation: **Explanation:** **1. Why Flood is the Correct Answer:** Floods are considered the most frequent and widespread natural disaster globally. Unlike earthquakes or landslides, which are often localized to specific fault lines or terrains, floods can occur in almost any geographical region (coastal, riverine, or urban). They affect the largest number of people, cause extensive damage to infrastructure, and lead to massive displacement. From a public health perspective, floods have a prolonged impact due to the contamination of water supplies, leading to outbreaks of water-borne diseases (Cholera, Typhoid) and vector-borne diseases (Malaria, Dengue). **2. Why Other Options are Incorrect:** * **Earthquakes:** While they cause high immediate mortality and dramatic structural collapse, their geographical impact is limited to seismic zones. * **Landslides:** These are highly localized events, usually confined to hilly or mountainous regions, affecting a smaller total land area compared to floods. * **Volcanoes:** These are restricted to specific tectonic boundaries or "hotspots." While devastating locally, they do not have the global frequency or widespread reach of flooding. **3. NEET-PG High-Yield Pearls:** * **Most Common Disaster:** Flood (Global and India). * **Disaster with Highest Mortality:** Earthquakes (due to sudden onset and structural collapse). * **The "Silent Disaster":** Famine (long-term nutritional impact). * **Immediate Medical Need in Floods:** Control of communicable diseases and provision of safe drinking water (Chlorination). * **Disaster Impact:** Floods account for nearly 40% of all natural disasters worldwide.

Practice by Chapter

Classification of Disasters

Practice Questions

Disaster Cycle and Management

Practice Questions

Disaster Preparedness

Practice Questions

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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