All questions of Safety & First Aid for Class 2 Exam

Why we should break the source of electricity in case of electric shock?

Electricity is a powerful and dangerous form of energy. It can cause severe injuries or even be fatal if not handled properly. Therefore, it is essential to take immediate action to ensure the safety of the person experiencing an electric shock. Breaking the source of electricity is one of the critical steps to prevent further harm and provide immediate assistance. Let's discuss why breaking the source of electricity is necessary in case of an electric shock.

1. Minimize the Risk of Ongoing Electric Shock:
When a person comes into contact with an electrical current, the first priority is to stop the flow of electricity through their body. By breaking the source of electricity, we prevent the continuous flow of electric current, reducing the risk of ongoing electric shock. This immediate action can save the person's life or prevent further injuries.

2. Prevent Electrical Fires:
Electric shocks can lead to electrical fires if the source of electricity is not promptly disconnected. The electric current passing through the body can cause overheating of wires, leading to sparks and igniting flammable materials nearby. By breaking the source of electricity, we eliminate the potential for electrical fires, minimizing property damage and injuries.

3. Ensure Rescuer's Safety:
In case of an electric shock, it is crucial to prioritize the safety of the rescuer as well. If the source of electricity is not disconnected, attempting to rescue the person without taking proper precautions can put the rescuer at risk of electric shock too. Breaking the source of electricity ensures the safety of the rescuer, allowing them to provide immediate assistance without endangering themselves.

4. Facilitate Medical Treatment:
After breaking the source of electricity, it is essential to seek medical attention for the person who experienced the electric shock. By doing so, medical professionals can assess the severity of the injuries and provide appropriate treatment. Prompt medical intervention can make a significant difference in the person's recovery and minimize long-term complications.

Conclusion:
In summary, breaking the source of electricity in case of electric shock is crucial to minimize the risk of ongoing electric shock, prevent electrical fires, ensure the rescuer's safety, and facilitate immediate medical treatment. It is essential to prioritize the safety and well-being of individuals involved in electric shock incidents and take immediate action to prevent further harm.

Examining a wound before covering it with a cloth:
Examining the wound before covering it with a cloth is crucial to ensure proper treatment and prevent any complications. Here are the steps to follow:
1. Check for foreign material: The first thing to do is to examine the wound for any foreign material such as dirt, debris, or splinters. This is important to prevent infection and ensure proper healing of the wound.
2. Assess the depth and size: It is essential to determine the depth and size of the wound to gauge the severity of the injury. This information will help in deciding the appropriate treatment and whether medical attention is required.
3. Look for signs of infection: Check for any signs of infection such as redness, swelling, warmth, or pus around the wound. If any of these symptoms are present, it is important to seek medical help immediately.
4. Assess the surrounding area: Examine the area around the wound for any signs of trauma or damage. This will help in understanding the cause of the injury and taking necessary precautions to prevent further harm.
5. Ensure cleanliness: Before covering the wound with a cloth, make sure that the surrounding area is clean and sanitized. This will help in preventing infection and promoting faster healing.
By following these steps and examining the wound thoroughly before covering it with a cloth, you can ensure proper care and treatment of the injury.

Understanding LPG Leakage Detection
Liquefied Petroleum Gas (LPG) is commonly used for cooking and heating, but it can be hazardous if it leaks. Recognizing a leak promptly is crucial for safety.
Why Smell is Key
- LPG is odorless in its natural state.
- To help detect leaks, an odorant called ethyl mercaptan is added, giving it a distinctive smell similar to rotten eggs.
- This strong odor allows individuals to sense a leak even in small amounts, providing an early warning.
Other Detection Methods
- Visual Signs: While visible fumes can sometimes indicate a problem, LPG does not always produce visible smoke or fumes like other gases.
- Sound: A hissing sound might be audible near a leak, but it is not as reliable as the smell.
- Lack of Detection: It is incorrect to believe that we cannot detect a leak. The addition of odorants is specifically intended to ensure that we can smell it.
Conclusion
The correct answer is option 'B' because the smell of LPG (due to the added odorant) is the most effective and immediate way to detect a leak. Always ensure proper ventilation and regular checks to maintain safety when using LPG.

Checking the road before crossing
Before crossing the road, it is essential to ensure your safety by following a specific order of steps. This process helps in avoiding any potential accidents and ensures a safe crossing.

Steps to follow:

1. Look right
- The first step is to look to your right to check for any approaching vehicles. This is important as vehicles coming from this direction may pose a risk to your safety.

2. Look left
- After checking the right side of the road, it is crucial to look to your left to ensure there are no vehicles approaching from that direction. This step helps in covering all angles before crossing.

3. Look right again
- It is recommended to look right once more before stepping onto the road to double-check for any vehicles that may have appeared after your initial check. This extra precaution can prevent any last-minute surprises.
By following these steps in the specified order, you can ensure a safe crossing by being aware of the traffic conditions on both sides of the road. Remember, safety always comes first while crossing the road.

Understanding Bee Stings
A bee sting can be painful and may cause allergic reactions in some individuals. Knowing the right first aid steps is crucial for effective treatment.
Why Remove the Sting First?
- Immediate Relief: The bee sting often leaves a venom sac embedded in the skin. Removing it quickly can minimize the amount of venom that enters the body.
- Prevent Further Reactions: The longer the sting remains in the skin, the higher the chance of an allergic reaction and increased pain.
Steps to Take After a Bee Sting
- Remove the Sting: Use a flat object, like a credit card, to scrape the sting out. Avoid using tweezers, as squeezing may release more venom.
- Wash the Area: After removing the sting, wash the area gently with soap and water to prevent infection.
- Apply a Cold Compress: This helps reduce swelling and soothe pain.
- Monitor for Allergic Reactions: Watch for symptoms like difficulty breathing, swelling of the face or throat, or hives. Seek medical help immediately if these occur.
Conclusion
In summary, the first step in treating a bee sting is to remove the sting itself to minimize venom exposure. Following this, washing the area, applying a cold compress, and monitoring for reactions are essential for effective first aid. Always be cautious and prepared, especially if you or someone nearby has a known allergy to bee stings.

Explanation:

Incorrect Statement:
- Keep the burnt area under water

Reasoning:
- This statement is the odd one out because it does not relate to safety rules like the other statements. The other statements focus on safety precautions such as not running on the road, not playing with a knife, and not playing on the road, which are all important for preventing accidents and injuries. Keeping a burnt area under water does not pertain to safety rules but rather to first aid for a burn injury.

Corrected Statements:
- We should never run on the road.
- Never play with a knife.
- Do not play on the road.

Conclusion:
- It is important to always follow safety rules and guidelines to prevent accidents and injuries. Keeping a burnt area under water is a first aid measure and not a safety rule.