SET - 4 | EFA Exit Exam Mock - Questions and Answers - 2026

The immediate first aid for a burn (after ensuring safety) is to cool the burn under cool (not cold or icy) running water for at least 10 to 20 minutes. This helps to stop the burning process, reduce pain, and minimize tissue damage. Applying ice directly can cause frostbite, and applying substances like butter or oil can trap heat and increase the risk of infection.

A comminuted fracture, as indicated by Option A, describes a bone broken into three or more fragments, effectively creating pieces that are separated or "floating," a critical distinction in emergency medical protocols onboard vessels dictated by maritime safety standards. This classification guides immediate first aid and stabilization procedures to prevent further injury, a cornerstone of STCW medical care requirements. Understanding fracture types is essential for providing effective initial treatment in a maritime environment where immediate medical evacuation may be delayed.

When dealing with a third-degree burn victim, elevating the affected limb, in this case, the leg, is crucial to reduce swelling and minimize the risk of compartment syndrome by improving venous return, a fundamental principle in advanced first aid as recognized by maritime safety protocols. This elevation helps prevent further tissue damage and aids in the healing process by reducing pressure on the burn site and underlying structures. Proper limb elevation is a standard emergency medical procedure to manage severe burns and is applicable in maritime casualty care.

A serious hernia presents with significant pain and tenderness at the affected site, indicating potential strangulation or incarceration which are medical emergencies requiring immediate attention as per maritime first aid protocols aligned with STCW requirements. While other symptoms might suggest a hernia, intense pain and tenderness are the primary indicators of a potentially life-threatening complication that compromises blood flow. This level of discomfort signifies a critical situation requiring prompt medical evaluation and treatment to prevent further harm.

Dislocation of a bone specifically means the movement of a bone end entirely out of its normal position within a joint, causing the joint surfaces to lose contact. Understanding this distinction from a fracture is vital for all seafarers, as correct identification enables proper immediate first aid and stabilization according to STCW medical training standards and onboard safety protocols.

Bacteria, particularly pathogenic species responsible for foodborne illnesses, multiply most rapidly within the "danger zone" of 4-60 degrees Celsius, as established by international food safety standards and mandated for onboard food handling under SOLAS and STCW. This wide temperature range encompasses ambient conditions to moderately warm environments, highlighting the critical need for strict temperature control during storage, preparation, and serving of provisions to prevent spoilage and protect crew health. Therefore, maintaining provisions outside this range, by refrigeration or proper heating, is a fundamental maritime safety and marine engineering practice.

Immediate administration of water or milk is critical to dilute the corrosive substance, reducing its concentration and minimizing further chemical damage to the esophagus and stomach lining. This action helps mitigate the internal burn and prevent more severe tissue injury, while crucially avoiding inducing vomiting, which is strictly contraindicated as it would re-expose sensitive tissues to the corrosive agent and risk aspiration. This aligns with standard maritime medical first aid protocols for chemical ingestion.

In a medical emergency involving suspected poisoning, quickly providing the attending medical personnel with precise details of the chemical or poison consumed is paramount for immediate and effective treatment, directly aligning with maritime safety and emergency response protocols. This critical information allows for targeted antidotes or interventions, potentially saving the victim's life. While other documents might offer supplementary information, the specific identity of the ingested substance is the most urgent and vital piece of data.

Burns are classified into first, second, and third degrees, reflecting varying depths of tissue damage, as detailed in maritime first aid and emergency response protocols mandated by STCW. Understanding these distinct burn degrees is crucial for accurate assessment and appropriate treatment, ensuring compliance with marine safety standards for casualty care onboard. Therefore, all these classifications accurately describe burns in a maritime context.

For a casualty showing signs of shock, the recommended first aid includes lying them down (often with legs elevated slightly to encourage blood flow to vital organs, unless there is a head or leg injury), keeping them warm with blankets, and reassuring them. Giving drinks is usually avoided as they might vomit or require surgery. Walking around would worsen their condition.

Option A describes the immediate and critical action for initiating rescue breaths, specifically mouth-to-mouth resuscitation, for a victim who is not breathing. This fundamental procedure is a core component of Basic Life Support (BLS) and is a mandatory skill for all seafarers, as stipulated under the STCW Code (A-VI/1-3 and A-VI/4-1) for medical first aid and medical care, ensuring personnel can provide vital artificial ventilation to sustain life.

Following a fainting episode, the casualty must remain lying down for at least ten minutes to ensure proper blood flow to the brain and to prevent further injury from a potential reoccurrence of dizziness or loss of consciousness, aligning with general maritime first aid protocols. This extended rest period allows for recovery and reduces the risk of immediate re-injury, a crucial aspect of onboard casualty care. This practice is a fundamental element of maritime safety training, emphasizing immediate post-incident management.

Shellfish poisoning is caused by ingesting toxins produced by certain types of algae that accumulate in filter-feeding shellfish, a well-established food safety hazard addressed by general maritime health and safety protocols. Proper food sourcing and preparation are critical to prevent foodborne illnesses onboard vessels, aligning with the principles of safe and healthy working environments mandated by international maritime regulations. Therefore, consuming contaminated shellfish directly leads to this type of poisoning, making Option D the accurate identification of its source.

Option A is correct as maintaining immediate communication capabilities is a critical safety requirement under SOLAS Chapter IV, ensuring prompt distress alerting and coordination during emergencies. Familiarity with communication equipment locations, including phones and intercoms, is essential for effective crew response as mandated by STCW standards for emergency preparedness and shipboard organization. Proficiency in using and locating these vital communication systems directly contributes to overall maritime safety and efficient ship operations in all situations.

Diarrhea onboard can be caused by various contaminants including bacteria present in contaminated drinking water, improperly handled dairy products, or unwashed vegetables, all of which fall under a broad scope of maintaining food and water safety as stipulated by maritime safety regulations to prevent outbreaks. Ensuring the integrity of potable water, the proper storage and preparation of all foodstuffs, and rigorous hygiene practices are critical for preventing such gastrointestinal illnesses in accordance with STCW and SOLAS requirements. Therefore, the most comprehensive and correct answer acknowledges that any of these sources, or a combination thereof, can lead to diarrhea among the crew and cadets.

In a cardiac arrest situation where breathing has ceased, immediate Cardiopulmonary Resuscitation (CPR) is paramount according to maritime safety standards, including those aligned with STCW requirements for medical emergencies at sea. CPR is designed to maintain oxygen circulation to vital organs and prevent irreversible brain damage until professional medical help can be rendered. Options A, B, and D are inappropriate or insufficient interventions in this critical, life-threatening scenario.

Meningitis can be caused by various pathogens, including bacteria and viruses, which can spread through airborne droplets from respiratory secretions, making "Bacteria in air" and "Virus in air" valid contributing factors. Furthermore, the close proximity inherent in maritime environments facilitates transmission, thus validating "Close contact" as a significant risk factor, collectively rendering "All the above" the correct and most comprehensive answer. Adherence to stringent hygiene protocols and awareness of these transmission routes are critical for maintaining crew health and safety as per STCW and maritime health regulations.

Chemical burns require immediate removal of the chemical and specific decontamination procedures, not immersion in water which can exacerbate some chemical reactions, unlike thermal burns. Prolonged water immersion for chemical burns can spread the irritant or worsen tissue damage according to maritime safety protocols.

Electrical burns require specialized treatment beyond that for heat burns due to the potential for internal tissue damage and the risk of cardiac arrest from current passage through the body. Standard heat burn protocols may be insufficient, necessitating prompt medical evaluation to address the unique hazards posed by electrical injuries according to maritime safety and first aid standards.

The correct answer is A, "Yes," because preventing contaminated dress from passing over the face is crucial to avoid re-contaminating the casualty and potentially exposing the rescuer to hazardous substances, aligning with fundamental principles of maritime first aid and personal protective equipment usage. This practice is essential for maintaining decontamination protocols and preventing the spread of hazardous materials, a key tenet of maritime safety regulations designed to protect both the victim and the response personnel. Adherence to such procedures ensures that the casualty receives effective treatment without further risk of exposure or harm, directly supporting the objectives of STCW and general marine engineering safety standards.

Critical burns constitute a severe medical emergency requiring immediate, specialized treatment beyond the scope of onboard first aid facilities and trained personnel. Maritime safety regulations and the duty of care mandate that victims with such serious injuries receive professional medical attention ashore. Therefore, prompt evacuation and transfer to a hospital is an absolute necessity for proper treatment and to maximize the victim's chances of recovery.

Before providing any assistance, it is paramount to ensure the scene is safe. This means checking for ongoing dangers like fire, toxic fumes, unstable structures, or moving machinery that could injure you or the casualty further. Your safety is always the first priority in any emergency situation to prevent additional casualties.

Shellfish poisoning can manifest with a range of severe neurological and physiological symptoms, including numbness spreading from the face, dizziness, and excessive salivation, all of which are critical safety concerns under maritime health and safety regulations. Therefore, recognizing the multifaceted nature of these symptoms is essential for prompt and appropriate medical intervention at sea, as per STCW standards for seafarer well-being. Prompt identification of any of these symptoms necessitates immediate medical attention to prevent potentially life-threatening outcomes.

An unconscious person who is breathing normally should be placed in the recovery position (on their side) to help maintain an open airway and prevent them from choking on vomit or fluids. Lying flat on their back could lead to airway obstruction if their tongue falls back or if they vomit.

If a person is choking, you should do nothing as long as they are able to cough, as this indicates they are still expelling the obstruction themselves. Intervening prematurely with first aid when spontaneous coughing is occurring could dislodge the object in a way that makes it more difficult to remove or cause further harm.

A high-fiber, low-fat diet and regular exercise promote cardiovascular health and metabolism, which are crucial for maintaining optimal physical condition required by STCW for seafarers. This combination actively contributes to a healthy body mass index and facilitates weight loss or maintenance, directly supporting the operational readiness and well-being mandated for maritime professionals.

The correct ratio for CPR when administering it alone to an adult victim is 30 chest compressions followed by 2 rescue breaths, a standard established by leading maritime safety organizations to maximize the effectiveness of resuscitation efforts and align with global resuscitation guidelines for single rescuers. This sequence ensures adequate blood circulation and oxygenation, critical for patient survival during maritime emergencies. Adherence to this ratio is a fundamental component of the medical first aid training required under STCW regulations for all seafarers.

When dealing with eye injuries, the correct procedure is to flush the eyes with copious amounts of clean, fresh water to remove contaminants, not to introduce neutralizing agents which can cause further harm or chemical burns. SOLAS and STCW regulations prioritize immediate, safe, and effective first aid, and introducing chemicals to the eyes is contrary to this principle. Maritime safety standards mandate that only approved and safe methods, like saline or fresh water flushing, be used for ocular decontamination.

The correct answer is "No" because current advanced first aid protocols, which align with maritime safety standards, dictate that after providing 30 chest compressions in CPR, you should give 2 rescue breaths, not check for a pulse after 12 breaths. Continuous, effective CPR with the correct compression-to-ventilation ratio is crucial for maximizing oxygen delivery to the brain and vital organs during cardiac arrest.

First aid for burns, as per maritime safety guidelines and STCW, requires immediate and sustained cooling of the affected area to prevent deeper tissue damage, making prolonged immersion in cool water for 5 to 10 minutes the correct procedure for first-degree burns. This process helps to dissipate heat, reduce swelling, and alleviate pain, adhering to established medical protocols for burn management at sea. The objective is to cool the skin effectively without causing hypothermia, ensuring the best possible outcome for the casualty.