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DG Exit Exam
Answer Key

EFA exit exam questions and answers — Set 17 — Elementary First Aid

Set 17 of the Elementary First Aid (EFA) exit exam bank — 30 of 1185 questions, with the correct option marked and a one-line explanation for every one. Read it end to end, jump to a single set, or search it — then sit the same bank as a timed paper. The real DG Shipping exit exam is 30 marks with 15 to pass.

These are the bank's original groupings. Practising deals the whole bank out again every time you reshuffle, so a practice “Set 3” is a different 30 questions each time — the set numbers below are the source file's, and are only used here so the key stays navigable. Options are listed in their original order with fixed letters; when you practise, those move too.

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Set 17 — 30 EFA exit exam questions with answers

1. Signs of a sprain are:

  • A. Swelling
  • B. Tenderness
  • C. Discolouration (bruising)
  • D. All of the above
Answer: D — All of the above
A sprain is an injury to the ligaments around a joint. The torn tissue bleeds and becomes inflamed, so the joint shows swelling, tenderness and bruising-type discolouration, with pain on movement.

2. To be safe to eat, food should normally be cooked to a minimum internal temperature of:

  • A. 40°C
  • B. 50°C
  • C. 60°C
  • D. 74°C
Answer: D — 74°C
Most food-poisoning bacteria are destroyed when the core temperature of the food reaches about 74°C (165°F). Lower temperatures allow bacteria to survive and multiply, which is why galley food must be cooked through and hot-held properly.

3. Cryptosporidium infection is spread through:

  • A. Contaminated drinking water
  • B. Contaminated food
  • C. Close contact with an infected person
  • D. All of the above
Answer: D — All of the above
Cryptosporidium is a microscopic parasite passed in the faeces of infected people and animals. It spreads by the faecal-oral route through contaminated water, contaminated food and close contact with infected persons, causing watery diarrhoea.

4. Severe head injuries require:

  • A. Advice from a first aider only
  • B. Advice from a doctor
  • C. Self-medication
  • D. No treatment, as they cure automatically
Answer: B — Advice from a doctor
A severe head injury may cause brain swelling or internal bleeding that is not visible and can deteriorate quickly. Such casualties need medical advice from a doctor, via radio medical advice if at sea, and close monitoring of consciousness.

5. Amoebiasis is caused by the parasite being taken in through:

  • A. Contaminated water
  • B. Contaminated food
  • C. Sexual contact involving faecal-oral transmission
  • D. All of the above
Answer: D — All of the above
Entamoeba histolytica cysts are passed in faeces and spread by the faecal-oral route. Infection occurs through contaminated water or food and can also be transmitted by sexual contact that allows faecal-oral spread.

6. In the absence of a doctor, how long should artificial respiration and chest compressions be continued?

  • A. Until the casualty turns pale and starts to go cold
  • B. Until the casualty has had fixed and dilated pupils for 15 minutes
  • C. For 20 minutes only, after which it is useless to continue
  • D. Until signs of life return, medical help takes over, or the rescuer is too exhausted to continue
Answer: D — Until signs of life return, medical help takes over, or the rescuer is too exhausted to continue
CPR should be continued without interruption until the casualty shows signs of life and breathes normally, qualified help takes over, or the rescuer is physically unable to carry on. Pallor, cold skin or dilated pupils are not reliable reasons to stop.

7. Several cycles of fever, each followed by chills, are typical of:

  • A. Dengue
  • B. Malaria
  • C. Typhoid
  • D. Viral fever
Answer: B — Malaria
Malaria produces characteristic periodic attacks: a cold stage with shivering, a hot stage with high fever, then a sweating stage. These cycles recur as the parasites multiply and burst out of red blood cells.

8. How often should an adult have a tetanus-diphtheria (Td) booster?

  • A. Every 2 years
  • B. Every 5 years
  • C. Every 10 years
  • D. Every 15 years
Answer: C — Every 10 years
After a completed primary course, tetanus-diphtheria immunity is maintained by a booster about every 10 years. Seafarers should keep this up to date because wounds on board are frequently contaminated.

9. Norovirus infection can be prevented by all of the following EXCEPT:

  • A. Washing hands often
  • B. Isolating the sick person
  • C. Drinking only a little water
  • D. Disinfecting contaminated surfaces
Answer: C — Drinking only a little water
Norovirus spreads very easily by the faecal-oral route and via contaminated surfaces. Frequent handwashing, isolating the sick and disinfecting surfaces limit spread; restricting fluid intake gives no protection and increases the risk of dehydration.

10. Which of the following is a common treatment for bulimia?

  • A. Family therapy only
  • B. Cognitive behaviour therapy
  • C. Psychodynamic therapy
  • D. Humanistic therapy
Answer: B — Cognitive behaviour therapy
Cognitive behaviour therapy is the most widely used and best-supported treatment for bulimia nervosa in adults. It addresses the binge-purge cycle and the distorted thoughts about body shape and weight that drive it.

11. What should you do if someone is unconscious but you are not a trained first aider?

  • A. Get medical help immediately
  • B. Try to perform CPR on the casualty
  • C. Move the casualty on to their back
  • D. Slap the casualty to see if they wake up
Answer: A — Get medical help immediately
An untrained person should raise the alarm and summon trained help at once, while making sure the casualty and themselves are not in further danger. Untrained interventions can worsen injuries, particularly to the spine.

12. What is the first thing you should do for someone you suspect has an electrical burn?

  • A. Check for breathing and a pulse
  • B. Check that the electricity has been turned off
  • C. Check for severe bleeding
  • D. Check for shock
Answer: B — Check that the electricity has been turned off
The rescuer must first make sure the casualty is no longer in contact with a live supply, by isolating the power. Otherwise the rescuer can also be electrocuted. Only then are breathing, circulation and burns assessed.

13. What is first aid?

  • A. Completing a primary survey
  • B. The first help given to the victim of an accident or sudden illness
  • C. Assessing a victim's vital signs
  • D. Treating a victim for shock
Answer: B — The first help given to the victim of an accident or sudden illness
First aid is the immediate help given to an injured or suddenly ill person before professional medical care is available. Its aims are to preserve life, prevent the condition getting worse and promote recovery.

14. What should you do if you think the victim has serious internal bleeding?

  • A. Apply heat to the injured areas
  • B. Give fluids to replace the blood loss
  • C. Call for medical assistance as quickly as possible
  • D. Place the victim in a sitting position
Answer: C — Call for medical assistance as quickly as possible
Internal bleeding cannot be controlled by first aid and the casualty can quickly go into shock. Get medical assistance urgently, lay the casualty down, treat for shock and give nothing by mouth in case surgery is needed.

15. What is an open fracture?

  • A. A fracture in which the bone ends can move around
  • B. A fracture in which the skin is broken and the bone may be exposed
  • C. A fracture which causes complications such as a punctured lung
  • D. A fracture in which the bone has bent and split
Answer: B — A fracture in which the skin is broken and the bone may be exposed
An open (compound) fracture is one where there is a wound leading down to the broken bone, so the bone ends may protrude. It carries a high risk of infection and bleeding and needs a sterile dressing before immobilisation.

16. On an infant, where should you check the pulse?

  • A. Inside the wrist just above the hand
  • B. On the neck to either side of the windpipe
  • C. Behind the knee
  • D. Inside the upper arm between the elbow and shoulder
Answer: D — Inside the upper arm between the elbow and shoulder
An infant's neck is short and the carotid pulse is hard to find, so the brachial pulse is checked on the inside of the upper arm, between the elbow and shoulder, pressing gently with two fingers.

17. When performing CPR on an infant as a lone rescuer, chest compressions should be given:

  • A. Using two fingers just below the nipple line
  • B. Using the heel of one hand just below the nipple line
  • C. Using the heels of both hands just below the nipple line
  • D. Using the thumb on the upper part of the breastbone
Answer: A — Using two fingers just below the nipple line
For an infant the lone rescuer compresses the centre of the chest, just below the nipple line, with two fingers to about one third of the chest depth. The heel of the hand is used for children and both hands for adults.

18. A person is pale, sweating profusely, trembling and acting aggressively. They appear drunk but do not smell of alcohol. What may be wrong with them?

  • A. A diabetic emergency (low blood sugar)
  • B. A heart attack
  • C. An epileptic seizure
  • D. A stroke
Answer: A — A diabetic emergency (low blood sugar)
These are classic signs of hypoglycaemia in a diabetic: pallor, sweating, trembling, confusion and aggressive or drunk-like behaviour. If the person is conscious and can swallow, give sugar or a sweet drink and get medical advice.

19. Your role in making first aid work effectively includes four steps:

  • A. Elevate, identify, decide, execute
  • B. Check, call, care, protect
  • C. Recognise, decide, call, provide care
  • D. Assess, transport, treat, report
Answer: C — Recognise, decide, call, provide care
The emergency action sequence is to recognise that an emergency exists, decide to act, call for medical help and provide care until help takes over. Failing at any step means the casualty may not receive help.

20. If you are the first person to discover a fire, what should you do?

  • A. Leave the area immediately
  • B. Go to your locker and get your personal items
  • C. Pick up a fire extinguisher and tackle the fire
  • D. Raise the fire alarm
Answer: D — Raise the fire alarm
The first action on discovering a fire is to raise the alarm so that the ship's fire organisation is mobilised and others are warned. Only then should a small fire be attacked with portable extinguishers if it is safe.

21. The onset of shock in infants and children:

  • A. May be sudden and severe
  • B. Is no different from that in adults
  • C. Usually progresses slowly
  • D. Usually results from cardiac problems
Answer: A — May be sudden and severe
Children compensate well for blood or fluid loss, so early signs are subtle, but when compensation fails their condition deteriorates suddenly and severely. In children shock is usually due to fluid loss or infection, rarely to heart problems.

22. Which artery's pressure point is located on the front of the upper leg, just below the middle of the groin crease?

  • A. Radial artery
  • B. Popliteal artery
  • C. Brachial artery
  • D. Femoral artery
Answer: D — Femoral artery
The femoral artery passes over the pelvic bone at the middle of the groin crease. Pressing it there against the bone can reduce severe bleeding from the leg when direct pressure alone is not enough.

23. A crew member on your ship has a severe cut in the groin area. What should you do first?

  • A. Cover the wound with a sterile dressing and apply direct pressure
  • B. Raise the casualty's feet and leave the wound open
  • C. Take the casualty to the hospital immediately without any treatment
  • D. Apply a tourniquet around the waist
Answer: A — Cover the wound with a sterile dressing and apply direct pressure
Severe bleeding is controlled first by covering the wound with a sterile dressing and applying firm direct pressure. The groin cannot be tourniqueted, and delaying bleeding control to transport the casualty risks fatal blood loss.

24. What is the name of the type of stretcher often found on board?

  • A. The canvas pole stretcher
  • B. The Neil Robertson stretcher
  • C. The SOLAS stretcher
  • D. The Heart Imco stretcher
Answer: B — The Neil Robertson stretcher
The Neil Robertson stretcher is a semi-rigid canvas and bamboo stretcher that wraps around the casualty. It allows a casualty to be lifted vertically out of holds, tanks and engine rooms, so it is standard equipment on ships.

25. Why is CPR important?

  • A. It provides a small supply of blood and oxygen to the brain and vital organs
  • B. It keeps the heart beating
  • C. It keeps the aorta from collapsing
  • D. It prevents cardiac arrest
Answer: A — It provides a small supply of blood and oxygen to the brain and vital organs
In cardiac arrest the heart is not pumping. Chest compressions with rescue breaths circulate a small amount of oxygenated blood to the brain and heart, delaying brain damage until defibrillation or medical help is available.

26. The best way to prevent a critical incident stress situation from becoming worse is to:

  • A. Ignore it
  • B. Be familiar with its signs and symptoms
  • C. Ensure early use of medication
  • D. Force the responder to talk about the situation
Answer: B — Be familiar with its signs and symptoms
Recognising the signs of critical incident stress, such as sleep problems, irritability and withdrawal, allows early support and referral. Ignoring it, forcing discussion or relying on medication does not address the problem.

27. White or greyish-yellow patches on a person's ears, nose or cheeks are signs of:

  • A. Frostbite
  • B. Cold-related stress disorder
  • C. Anaphylactic shock
  • D. Hypothermia
Answer: A — Frostbite
Frostbite is freezing of the tissues, usually of exposed parts such as ears, nose, cheeks, fingers and toes. The skin becomes white or greyish-yellow, hard and numb. Hypothermia is cooling of the whole body core.

28. What should you do if a victim has had a body part torn or cut off?

  • A. Wrap the severed part in sterile gauze
  • B. Place the wrapped part in a plastic bag
  • C. Put the bag on ice and send it to hospital with the victim
  • D. All of the above
Answer: D — All of the above
An amputated part should be wrapped in sterile gauze, sealed in a plastic bag and kept cool on ice, not in direct contact with it, then sent with the casualty. This gives the best chance of surgical reattachment.

29. The accepted treatment for a nosebleed is to:

  • A. Use pressure points on the neck to control the bleeding
  • B. Tilt the head back and tightly squeeze the nostrils
  • C. Have the victim lean forward and pinch the soft part of the nose, applying cold towels
  • D. Lay the victim on his back and apply heat
Answer: C — Have the victim lean forward and pinch the soft part of the nose, applying cold towels
The casualty should sit and lean forward so blood drains out rather than down the throat, and pinch the soft part of the nose for about 10 minutes. Cold compresses help constrict vessels. Tilting the head back risks swallowing or inhaling blood.

30. A person indicates that he has been bitten by a snake. What should you do?

  • A. Apply ice to the wound and wait for symptoms
  • B. Wash the wound, keep the bitten part still and lower than the heart, and get medical help urgently
  • C. Cut a cross at the bite and suck the poison out
  • D. Elevate the bitten part and apply ice
Answer: B — Wash the wound, keep the bitten part still and lower than the heart, and get medical help urgently
Keep the casualty calm and still, wash the bite, immobilise the limb and keep it below heart level to slow venom spread, and get medical help fast. Cutting, sucking, ice and tourniquets are harmful and are not recommended.

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