SET - 7 | EFA Exit Exam Mock - Questions and Answers - 2026

Angiostrongyliasis is a parasitic infection caused by nematodes of the genus Angiostrongylus, as accurately described in Option C, which highlights its potential to cause significant human health issues. Understanding such parasitic infections is crucial for maritime safety, as crew health directly impacts operational integrity and the ability to comply with international regulations like STCW concerning seafarer well-being. Therefore, Option C correctly defines the medical condition relevant to marine health protocols.

Food poisoning is a serious health hazard at sea, and its manifestations are multifaceted. Symptoms typically include gastrointestinal distress such as diarrhea, abdominal cramps, and vomiting. Therefore, recognizing all of these as potential signs is crucial for timely identification and management to ensure crew health and operational safety in accordance with maritime regulations.

Botulism is a severe form of food poisoning specifically caused by the toxin produced by the bacterium *Clostridium botulinum*, which thrives in anaerobic environments found in improperly sterilized tinned meats and preserved foods. Adhering to strict sterilization and preservation standards for foodstuffs, as outlined by maritime safety regulations and best practices in marine engineering, is paramount to preventing the growth of this dangerous pathogen and protecting crew health at sea. Therefore, Option B accurately defines botulism within a maritime context where the safe handling and storage of provisions are critical.

Before initiating CPR, it is paramount to confirm the casualty's state of consciousness, as CPR is a life-saving intervention for those who are unresponsive. This assessment, vital for proper emergency response protocols and mandated by maritime safety standards, dictates the immediate course of action. Therefore, confirming consciousness or unconsciousness is the critical first step in determining the necessity and applicability of CPR.

Yes, stroke symptoms can vary significantly in severity, ranging from minor transient ischemic attacks (TIAs) with temporary deficits to major strokes causing permanent disability, a concept crucial for immediate recognition and appropriate maritime medical response under STCW. This variability necessitates vigilance as any neurological symptom on board could indicate a serious medical emergency requiring prompt assessment and potential evacuation. Recognizing this spectrum of symptoms is fundamental to effective onboard first aid and communication with shore-based medical authorities, aligning with general maritime safety principles.

Heat exhaustion is a serious medical condition requiring immediate and comprehensive action; thus, the correct first aid involves removing the casualty from the heat source, encouraging fluid intake to rehydrate and replenish electrolytes, and the combined approach of all listed measures is paramount for effective treatment as per maritime medical guidelines.

Anisakiasis is a parasitic infection of the gastrointestinal tract in humans, caused specifically by the ingestion of larval nematodes, commonly known as Anisakis worms. These worm-type parasites naturally reside in the flesh of various marine fish and cephalopods, and the infection occurs when such seafood is consumed raw or undercooked. Maintaining proper food handling and cooking standards on board vessels is a critical maritime safety and health practice to prevent crew illnesses like anisakiasis, making Option D the correct explanation.

In a suspected cardiac emergency, prioritizing immediate professional medical assistance is paramount; therefore, **Option D: Call medical help** is correct as it aligns with maritime safety protocols and the fundamental principle of promptly involving trained medical responders who can provide advanced care and transport. This action supersedes all other immediate interventions according to SOLAS and STCW requirements for emergency preparedness onboard vessels. Promptly contacting shore-based medical services or emergency medical services ensures the casualty receives timely and appropriate treatment, which is critical for survival and minimizing long-term damage.

A tissue is indeed a group of like cells organized to perform a specific function, forming a fundamental level of biological organization that underpins all living organisms, including those relevant to maritime health and safety protocols. This biological principle, while not directly codified in SOLAS or STCW, is foundational to understanding human physiology and the potential impacts of various environmental or operational factors onboard. Therefore, the statement is biologically accurate.

STD stands for Sexually Transmitted Diseases, a critical health concern for seafarers. Maintaining the health and well-being of the crew is paramount under STCW and general maritime safety regulations to ensure operational readiness and prevent onboard outbreaks. Recognizing and addressing STDs is integral to the overall health management and safety protocols on board vessels.

Shock, a critical medical emergency recognized in maritime first aid protocols aligning with STCW, is primarily a state of inadequate blood circulation to vital organs, most commonly precipitated by significant trauma or severe blood loss from a bad injury. While extreme pain or fright can contribute to a patient's distress, the physiological cascade leading to shock as defined in maritime safety standards is fundamentally linked to the body's inability to maintain essential tissue perfusion due to hypovolemia or other systemic insults, making "when badly injured" the most direct and accurate cause. Therefore, Option A correctly identifies the principal precursor to shock within the context of immediate maritime medical response.

When a spinal injury is suspected, the absolute priority is to minimize any movement of the head and spine. This is done to prevent further damage to the spinal cord, which could lead to paralysis or other severe complications. Maintaining a neutral, in-line position and providing manual stabilization until professional help arrives is critical.

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.

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.

For mild hypothermia, the best approach is gentle rewarming. This involves removing all wet clothing, drying the person, and wrapping them in multiple layers of dry blankets or warm clothing. Providing warm, non-alcoholic drinks helps to rewarm them internally. Alcohol can worsen hypothermia, vigorous rubbing can be harmful, and rapid external rewarming (like a hot bath) can cause dangerous shifts in blood pressure.

In any emergency, your immediate priority is to **assess the scene for safety** to prevent further casualties and ensure your own survival. Subsequently, it is crucial to **estimate the number of victims and call for help** to mobilize resources effectively. Before engaging directly, **get the first aid kit and put on appropriate Personal Protective Equipment (PPE)** to provide care safely and efficiently, aligning with established maritime safety protocols and principles found in SOLAS and STCW.

The ABC's of first aid stand for Airway, Breathing, and Circulation, a standardized protocol for assessing and managing life-threatening emergencies vital for maritime safety under STCW regulations. This sequence prioritizes establishing a clear airway, ensuring adequate breathing, and then addressing circulation to restore vital functions. Adherence to these fundamental principles is paramount for effective emergency response at sea, as mandated by international maritime safety standards.

Dislocation injuries often present with a combination of symptoms including significant pain, visible discolouration due to bruising or internal bleeding, and noticeable swelling around the affected joint. Therefore, recognizing all these indicators as potential signs of dislocation is crucial for proper initial assessment and prompt maritime medical assistance as mandated by maritime safety protocols. Prompt identification of these combined symptoms allows for appropriate first aid and evacuation procedures to prevent further injury or complications.

The most important principle when dealing with a suspected fracture is to immobilize the injured limb before any movement. This helps to prevent further damage to bones, nerves, and blood vessels, and reduces pain. Attempting to straighten the limb or moving without stabilization can cause severe complications.

Amebiasis is an infection caused by the protozoan parasite *Entamoeba histolytica*, typically manifesting as dysentery and other gastrointestinal disturbances, aligning with established medical definitions crucial for maintaining crew health under STCW regulations. This understanding is vital for shipboard medical officers and crew to identify and manage potential health threats, ensuring compliance with maritime health and safety standards. Proper identification of such conditions is a fundamental aspect of maintaining a safe and healthy working environment aboard any vessel.

Botulism is a serious foodborne illness caused by toxins produced by the bacterium *Clostridium botulinum*, which thrives in anaerobic environments with low acidity. Half-boiled vegetables, especially those improperly preserved or handled, can provide these ideal conditions for bacterial growth and toxin production. Inadequate heating, as in "half-boiling," may not effectively destroy the spores, allowing them to germinate and release potent neurotoxins.

Current guidelines for adult CPR recommend chest compressions that are at least 2 inches (5 cm) deep but no more than 2.4 inches (6 cm). This depth ensures adequate blood flow to the brain and other vital organs, while avoiding excessive force that could cause injury.

When a conscious person is choking severely (unable to speak, cough, or breathe), the appropriate first aid action is to perform abdominal thrusts (Heimlich maneuver). This technique helps to force air out of the lungs, creating an artificial cough to expel the object blocking the airway. Encouraging them to cough is only effective if they can cough forcefully.

The primary purpose of the recovery position is to maintain an open airway and prevent aspiration (inhaling vomit or fluids). An unconscious person's tongue can fall back and block their airway, or they may vomit. Placing them on their side with their head tilted ensures that the airway remains clear and any fluids can drain out of the mouth, which is crucial in any environment, including marine.

A toxic gas instrument, as per SOLAS and STCW requirements for enclosed spaces, *does* measure expected gas presence, and often this includes oxygen deficiency as well as the presence of toxic gases like hydrogen sulfide. Therefore, the statement that it measures expected gas presence is correct, making Option C the appropriate answer. This functionality is critical for ensuring the safety of personnel entering potentially hazardous atmospheres onboard vessels.

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.

The boiling point of fresh water at standard atmospheric pressure is precisely 100 degrees Celsius, a fundamental principle in thermodynamics critical for boiler operation and steam generation systems aboard vessels. Maintaining this temperature is vital for efficient and safe operation of all steam-powered machinery and heating systems as per marine engineering standards. Deviation from this value can indicate contamination of the boiler water or pressure anomalies, requiring immediate attention to ensure vessel safety and operational integrity.

Direct pressure is a fundamental first-aid technique for controlling external hemorrhage as mandated by maritime safety protocols and emergency medical training, aiming to occlude damaged blood vessels and promote clotting. This immediate intervention aligns with the principles of casualty care stipulated in STCW standards, prioritizing the stabilization of a bleeding victim until professional medical assistance is available.

When immobilizing an extremity fracture, checking circulation distal to the injury is crucial to ensure the splinting has not occluded blood flow to the extremity, as per maritime safety protocols. This assessment confirms adequate perfusion and prevents further complications like nerve damage or tissue death. Observing the pulse, temperature, color, and sensation in the toes or fingers, furthest from the break, is the standard procedure to verify correct splinting and patient safety.

Under STCW and maritime safety standards, any second-degree burn affecting more than 10% of the body's surface area constitutes a severe medical emergency requiring immediate professional medical attention at a hospital. Fifteen percent body surface area for a second-degree burn clearly exceeds this threshold, mandating prompt evacuation. Therefore, taking the victim to the hospital is the correct course of action.