Question 1

When should you apply a tourniquet to stop severe bleeding from a limb?

Accepted Answer

A tourniquet is your strongest tool, but it's the last resort because it cuts off blood to the whole arm or leg. You try direct pressure with a clean cloth first for 3+ minutes, then elevation, then pressure points. Only when the blood keeps flowing do you apply the tourniquet. It works like pinching a hose—it stops blood completely, which is why you save it for life-or-death situations. Applying it too early can damage the limb.

Question 2

Where should you place a tourniquet on an arm or leg?

Accepted Answer

Place the tourniquet 2-3 inches above the wound, between the wound and the heart—like putting a dam upstream of a flood. The tourniquet has to squeeze everything above and below it, so it must be above the problem to work. If you put it on the wound, blood above it still leaks out. If you put it below the wound, blood still flows down to the injury. The magic distance is 2-3 inches: close enough to stop the bleeding, far enough from the wound to be safe.

Question 3

What is the correct chest compression rate for CPR on an adult?

Accepted Answer

Push at a rate of 100-120 compressions per minute—that's about the speed of the beat in 'Stayin' Alive' by the Bee Gees, which many rescuers use as a guide. This pace keeps blood flowing through the body at close to the natural heartbeat speed. Too slow (50-70) and the blood doesn't move enough. Too fast (140+) and you can't push deeply enough. The sweet spot is 100-120, which pumps the heart mechanically until help arrives.

Question 4

What is the recommended compression-to-breaths ratio for CPR on an adult without advanced training?

Accepted Answer

Do 30 chest compressions, then give 2 rescue breaths, and repeat this cycle. The compressions pump blood to the brain and organs, and the breaths add oxygen to that blood. Think of it like a production line: 30 compressions move the blood, 2 breaths load it with oxygen. This 30:2 ratio is proven to work best for adults. If you're untrained or uncomfortable giving breaths, pushing hard and fast for compressions alone is also effective.

Question 5

In the START triage system, which is the FIRST thing you assess on a casualty?

Accepted Answer

START triage begins with the Respiratory (breathing) check. If someone is dead silent and not breathing, they go in the deceased pile. If they're gasping or making noise, they need air and are a priority. This is first because breathing problems kill fastest—you can live weeks without food and days without water, but only minutes without oxygen. The START system is like triaging a pile of patients: breathing first, because if they can't breathe, nothing else matters.

Question 6

What are the first three steps to control severe hemorrhage in order?

Accepted Answer

First, press hard with a clean cloth on the wound—direct pressure stops most bleeding. Second, raise the limb above the heart if possible, which uses gravity to slow blood flow out. Third, if those don't work after 3+ minutes, apply a tourniquet. This is the proven order because the first two steps work 95% of the time, saving the tourniquet for true emergencies. It's like trying the simplest fix first before bringing out the heavy tools.

Question 7

How long can a tourniquet typically remain on a limb before permanent damage occurs?

Accepted Answer

A tourniquet can stay on safely for 1-2 hours without causing permanent damage. In extreme survival situations, it can stay longer if the alternative is death from bleeding. After 6+ hours, permanent nerve and tissue damage becomes likely. Think of it like a rubber band around your finger: tight for a few minutes feels fine, but leave it all day and the tissue dies. Tourniquet time is critical, which is why you write the time on the tourniquet or the patient's skin so medical professionals know how long it's been applied.

Question 8

Which of these is NOT a sign of shock from blood loss?

Accepted Answer

High fever and flushed face are NOT signs of shock from blood loss—in fact, they're signs of infection or heatstroke, which are completely different problems. Shock from blood loss makes you pale, cold, sweaty, and shaking because your body is shutting down non-essential systems. Your skin gets pale because blood is pooling in the core to keep vital organs alive. Fast, weak pulse means the heart is working overtime with less blood. Confusion happens because the brain isn't getting enough oxygen-rich blood. Fever means something else is attacking your body.

Question 9

What should you do for a person in shock from blood loss?

Accepted Answer

Lay the person flat and raise their legs above the heart—this is called the shock position. When you do this, gravity helps blood flow back to the brain and vital organs, fighting the shock. Think of tilting a water bottle: tilt it down and water flows to the top. By raising the legs, you're tilting the body so blood flows upward to the brain. Sitting up, standing, or giving water does the opposite—it makes shock worse by letting blood pool in the legs away from the brain and heart.

Question 10

How do you estimate the percentage of body surface area burned using the Rule of Nines on an adult?

Accepted Answer

The Rule of Nines divides the body into sections that are multiples of 9: head 9%, each arm 9%, each leg 18%, front torso 18%, back torso 18%. This adds up to 100% and lets you quickly estimate burn severity. The Rule of Nines matters because burns covering more than 15-20% of the body cause shock and death. By learning these percentages, you can tell if someone needs immediate evacuation or hospital care. It's called the Rule of Nines because the numbers are multiples of 9, making it easy to remember in an emergency.

Question 11

What is the correct procedure for cooling a burn in the field?

Accepted Answer

Immerse the burn in cool running water for 10-20 minutes, or until the pain stops getting worse. This stops the burning process and reduces damage. Cool water is the key—not ice, because ice can damage the skin further. Think of a burn like a stove still cooking the skin: cool water turns off the heat. Ice applied directly can actually cause frostbite on top of the burn. Plastic traps heat and makes it worse. Butter is an old myth that seals bacteria inside. Running water is your friend: it cools, cleanses, and soothes all at once.

Question 12

What is the safest liquid to use for irrigating a wound in a survival situation?

Accepted Answer

Use salt water (normal saline—salt dissolved in clean water) or clean running water to irrigate wounds. Salt water is gentler than alcohol and doesn't damage healthy tissue the way full-strength iodine does. Clean running water is perfectly fine if you don't have salt water. The goal is to flush out dirt and dead tissue. Full-strength alcohol stings terribly and can kill your own cells. Vinegar and lemon juice are too acidic. The simple rule: if you can drink it, you can use it to clean a wound. Boiled water that's cooled is even better because boiling kills germs.

Question 13

What are the three main ingredients in Oral Rehydration Solution (ORS)?

Accepted Answer

ORS is made of salt, sugar, and clean water in the correct ratio. The ratio is critical: roughly 1 teaspoon of salt and 6 teaspoons of sugar per liter of clean water. The salt replaces electrolytes lost through diarrhea or vomiting, and the sugar helps your body absorb the water. When you have diarrhea or cholera, you lose both water and vital salts—drinking plain water doesn't replace the salts. ORS is so simple and powerful that it's saved millions of lives from dehydration. The salt-sugar combination is the magic formula: too much salt is dangerous, too much sugar doesn't help, but the right mix restores your body.

Question 14

When should you perform the Heimlich maneuver on a choking adult?

Accepted Answer

Perform the Heimlich maneuver ONLY if the person cannot cough, speak, or breathe—meaning they're in complete airway obstruction. If they're coughing or making noise, their airway is partially open and coughing can work. Let them cough first; if coughing fails and they go silent, then use the Heimlich. The Heimlich is aggressive—it can injure the ribs or organs if done unnecessarily. Think of it as your last resort when coughing fails and the person is dying from no air. Using it too early is like calling 911 before trying to turn the person off first.

Question 15

What is the correct technique for performing the Heimlich maneuver?

Accepted Answer

Place your fist just above the navel and below the rib cage, then push upward and inward with quick thrusts. This creates a sudden increase in pressure in the abdomen, which shoots up into the chest and forces air out of the lungs. That air can dislodge the stuck object. The motion is UP and IN, like you're trying to squeeze the person into a smaller shape. Back slaps can actually lodge the object deeper. Squeezing without the inward-upward motion is less effective. CPR-style chest pushing is for a stopped heart, not choking. The key is that upward angle—it mimics a cough using your hands.

Question 16

What are the earliest signs of anaphylaxis (severe allergic reaction)?

Accepted Answer

Early signs of anaphylaxis are itching, hives (red bumps), a tight throat, and trouble breathing. These appear within seconds to minutes of exposure to an allergen like peanuts or bee stings. The body is flooding with histamine, a chemical that causes swelling. Itching and hives are the alarm bells. Throat tightness means the airway is starting to close—this is when you need epinephrine (an EpiPen) immediately. Fever, body aches, and purple rash are signs of other conditions like meningitis or fever. Anaphylaxis moves fast: if you see itching and hives, act immediately before the throat closes completely.

Question 17

What is the first-line treatment for anaphylaxis in the field?

Accepted Answer

Inject epinephrine into the outer thigh immediately—this is the only truly life-saving treatment. Epinephrine reverses the swelling and opens the airway. Every second counts: the throat can close in minutes, making breathing impossible. An EpiPen is designed for thigh injection, and you inject straight through clothing if needed. Antihistamines like Benadryl are too slow—they take 30+ minutes to work, but anaphylaxis kills in minutes. Lying down and elevating legs helps with shock, but without epinephrine, the patient dies. A tourniquet above a sting is outdated and doesn't work. Epinephrine is the real lifesaver: it's like hitting the emergency stop button on the allergic reaction.

Question 18

What is the critical first step when you suspect a spinal injury?

Accepted Answer

Immobilize the head, neck, and spine immediately—do not move the person. A spinal injury means the bones around the nerves are broken or unstable. Any movement can sever the spinal cord completely, causing permanent paralysis or death. Immobilization means keeping the head, neck, and torso aligned and still using your hands, rolled towels, or a collar. Think of the spine like a delicate stack of glass blocks: one wrong shift and it shatters. Moving the person to a safer location sounds right, but it can crush the nerves. Testing sensation by moving limbs can damage the cord. Rolling them can break unstable vertebrae. Immobilization is the only safe move: keep them still until professional rescuers with a stretcher arrive.

Question 19

What are the key warning signs of hypoglycemia (low blood sugar)?

Accepted Answer

Hypoglycemia (low blood sugar) causes trembling, sweating, a racing heart, trouble thinking clearly, and anxiety. These happen fast—within 15-30 minutes—because the brain is starving for glucose. Your body releases stress hormones, which cause the shaking and sweating. The trembling and fast heartbeat are your body's alarm bells screaming for sugar. Fruity breath and gradual confusion happen with high blood sugar (hyperglycemia), which is the opposite problem. Fever and vomiting are different illnesses. Unconsciousness without movement happens with severe or untreated hypoglycemia. The key is recognizing the early signs: shake and sweat = low sugar = eat sugar NOW before the person passes out.

Question 20

How should you treat someone with hypoglycemia in a survival situation?

Accepted Answer

Give fast-acting sugar immediately—candy, glucose tablets, honey, or sweet juice work within 5-15 minutes. Fast sugar raises blood glucose quickly because your body absorbs simple sugars rapidly. Then, follow it with a meal or snack with complex carbs and protein (like bread, meat, or nuts) to keep blood sugar stable and prevent another crash. Insulin does the opposite—it lowers blood sugar, which would be dangerous. Waiting is life-threatening because low blood sugar can cause seizures or unconsciousness. A large meal is slow—complex carbs take 30+ minutes to digest, but the emergency is happening NOW. The rule is: fast sugar first to stop the crisis, complex carbs second to prevent a crash.

Medical Survival Quiz

Medical Survival Quiz