First Aid and CPR Practice Test (US) 2026：第3套练习测试

First Aid and CPR Practice Test (US) 练习测试第3套（共5套）：再练25道题，附答案和解释。

急救
美国
120道题
核对于2026年10月10日

第1题，共25题
Marker 2 shows where to place the fist for abdominal thrusts. Where is it?
- Below the navel, low on the belly near the hips
- On the lower half of the breastbone, between the nipples
- Just above the navel, well below the bottom of the breastbone
- On the lower ribs at the side of the body
显示答案
答案: C. Just above the navel, well below the bottom of the breastbone
Put the thumb side of your fist just above the navel and well below the breastbone.
第2题，共25题
Marker 4 shows the direction of each thrust. Which way do you push?
- Downward toward the feet
- Inward and upward, quickly
- Slowly from side to side
- Straight out, away from the body
显示答案
答案: B. Inward and upward, quickly
Quick inward and upward thrusts force air from the lungs to push the object out.
第3题，共25题
A choking woman is in late pregnancy. What do you use instead of abdominal thrusts?
- Nothing until EMS arrives
- Finger sweeps only
- 5 back blows followed by 5 chest thrusts
- Abdominal thrusts as usual, just pushing much harder
显示答案
答案: C. 5 back blows followed by 5 chest thrusts
If you cannot encircle the abdomen or the person is in late pregnancy, use back blows and chest thrusts.
第4题，共25题
An adult you are helping for choking stops responding. What do you do?
- Leave them to rest and check on them later
- Prop them up in a chair and give them water
- Keep giving back blows while they lie on the floor
- Start CPR beginning with chest compressions, and make sure 911 has been called
显示答案
答案: D. Start CPR beginning with chest compressions, and make sure 911 has been called
Begin CPR with compressions and activate the emergency response system if no one has.
第5题，共25题
While giving CPR to a person who choked, you open the mouth before breaths. What should you do about the object?
- Remove it only if you can see it; do not do blind finger sweeps
- Sweep your finger deep into the throat to find it
- Push it further down with a spoon so air can pass
- Ignore it completely and keep giving breaths
显示答案
答案: A. Remove it only if you can see it; do not do blind finger sweeps
Remove a visible object before breaths. Blind finger sweeps can push the object deeper.
第6题，共25题
How should you help an infant with severe choking?
- Give 5 back blows, then 5 chest thrusts, and repeat
- Give 5 abdominal thrusts with two fingers, then 5 back blows
- Hold the infant upside down and shake
- Do blind finger sweeps
显示答案
答案: A. Give 5 back blows, then 5 chest thrusts, and repeat
For infants, alternate 5 back blows with 5 chest thrusts. Abdominal thrusts are not recommended for infants.
第7题，共25题
What changed for helping a child with severe choking in the 2025 AHA guidelines?
- Care now starts with back blows, alternating with abdominal thrusts
- Back blows are no longer allowed for any child
- Children now get chest thrusts, the same as infants
- Only chest compressions are used, while the child stands
显示答案
答案: A. Care now starts with back blows, alternating with abdominal thrusts
For children, give repeated cycles of 5 back blows and 5 abdominal thrusts.
第8题，共25题
Marker 1 shows where the rescuer stands. Where is that?
- Kneeling at the person's feet, holding the knees
- Beside the person, about an arm's length away, so they have room to cough
- Close behind the person, with one foot between the person's feet
- In front of the person, face to face, holding the arms
显示答案
答案: C. Close behind the person, with one foot between the person's feet
Standing close behind with one foot between their feet gives you a stable stance and lets you support the person.
第9题，共25题
Marker 1 shows the first step in rolling someone into the recovery position. What happens to the arm nearest you?
- It is raised straight up above the head and held there by the hand
- It is placed across the chest
- It is tucked under the body
- It is placed out at a right angle, elbow bent
显示答案
答案: D. It is placed out at a right angle, elbow bent
The near arm goes out at a right angle so the person does not roll onto it.
第10题，共25题
Marker 2: where does the back of the far hand go?
- Against the person's near cheek
- On the hip
- On the forehead
- Under the lower back, palm facing up
显示答案
答案: A. Against the person's near cheek
The hand under the cheek supports the head during the roll and in the final position.
第11题，共25题
Marker 3: what is done with the far leg before the roll?
- It is raised and rested on a pillow or bag
- The knee is bent up with the foot flat on the ground
- It is crossed over the near leg at the ankle
- It is kept straight and close to the other leg
显示答案
答案: B. The knee is bent up with the foot flat on the ground
The bent knee acts as a lever to roll the person and then keeps them stable on their side.
第12题，共25题
When is the recovery position reasonable, according to the 2024 AHA and Red Cross first aid guidelines?
- When someone may have a neck, back or hip injury
- When someone is less alert from a non-injury cause and breathing normally
- When someone is unresponsive and not breathing at all
- When someone is fully awake, talking and able to walk
显示答案
答案: B. When someone is less alert from a non-injury cause and breathing normally
For decreased responsiveness from a non-traumatic cause with normal breathing, the recovery position is reasonable.
第13题，共25题
You suspect an injury to the neck, back, hip or pelvis. What should you do with the person's position?
- Help them stand up
- Sit them up against a wall
- Leave them in the position you found them, unless the area is unsafe
- Roll them into the recovery position right away so they can breathe easier
显示答案
答案: C. Leave them in the position you found them, unless the area is unsafe
If a neck, back, hip or pelvis injury is suspected, leave the person as found unless the scene is unsafe.
第14题，共25题
Panel 1 shows the first step for life-threatening bleeding. What is it?
- Rinse the wound under running water for 5 minutes first
- Apply ice to the wound
- Apply firm, direct pressure on the wound
- Raise the arm and wait
显示答案
答案: C. Apply firm, direct pressure on the wound
Direct pressure is the first step. If that is not enough, use a tourniquet or wound packing.
第15题，共25题
Panel 3 shows a tourniquet. Where is it placed?
- Below the wound, on the side toward the hand
- On the limb above the wound, between the wound and the body
- Directly on top of the wound, over the dressing
- Over the elbow joint, whatever the wound site
显示答案
答案: B. On the limb above the wound, between the wound and the body
A tourniquet goes above the wound, closer to the body, so it stops blood flowing to the wound.
第16题，共25题
A dressing on a wound is covered with a roller bandage. What is the bandage for?
- To hide the wound so the person does not panic
- To let the wound drain freely into the bandage
- To hold the dressing in place and keep pressure on the wound
- To keep the wound warm, without adding any pressure
显示答案
答案: C. To hold the dressing in place and keep pressure on the wound
A bandage holds the dressing on and helps keep pressure on the wound.
第17题，共25题
Direct pressure does not stop life-threatening bleeding from the leg. What is the next step?
- Remove the dressing to look at the wound
- Apply a tourniquet
- Give the person something to drink
- Wait 30 minutes to see if it stops
显示答案
答案: B. Apply a tourniquet
For life-threatening limb bleeding, use a tourniquet if direct pressure is not enough.
第18题，共25题
A deep wound in the groin is bleeding heavily, and a tourniquet will not fit there. What can you do?
- Pack the wound with gauze and press firmly
- Leave it uncovered
- Pour water into it
- Put a tourniquet tightly around the waist, above the groin
显示答案
答案: A. Pack the wound with gauze and press firmly
Where the wound location allows, wound packing with firm pressure can control bleeding a tourniquet cannot.
第19题，共25题
How tight should a tourniquet be?
- Tight at first, then loosened every few minutes
- Just snug, like a watch band
- Tight enough to stop the bleeding
- Loose enough to slide easily
显示答案
答案: C. Tight enough to stop the bleeding
Tighten the tourniquet until the bleeding stops. Do not loosen it once it is working.
第20题，共25题
A tourniquet has stopped the bleeding. Who should loosen or remove it?
- You, after 5 minutes
- Anyone, once the person feels better
- Medical professionals
- The injured person, when it hurts
显示答案
答案: C. Medical professionals
Leave the tourniquet in place. Removing it can restart dangerous bleeding.
第21题，共25题
A person shows signs of shock but has no injuries. While you wait for EMS, what position may help?
- Sitting upright on a chair with the head down between the knees
- Standing and walking slowly
- Lying face-down
- Lying on their back with the feet raised about 6 to 12 inches
显示答案
答案: D. Lying on their back with the feet raised about 6 to 12 inches
With no trauma, raising the feet about 6 to 12 inches may be reasonable while awaiting EMS.
第22题，共25题
Which group of signs can point to shock?
- Sneezing, itchy eyes and a runny nose
- A strong appetite, alertness and normal color
- Pale, cool, clammy skin, a fast pulse and confusion
- Hot, dry, flushed skin and slow, deep breathing
显示答案
答案: C. Pale, cool, clammy skin, a fast pulse and confusion
Shock happens when not enough blood reaches the organs. The skin often turns pale, cool and clammy.
第23题，共25题
What should you always do for a person who may be in shock?
- Give them a big meal and a hot drink
- Call 911 and treat the cause, such as bleeding
- Have them do light exercise to get their blood moving again
- Give them alcohol to help warm them up
显示答案
答案: B. Call 911 and treat the cause, such as bleeding
Shock is life-threatening. Get EMS on the way and treat what caused it.
第24题，共25题
What is the first aid for a heat burn on the hand?
- Put ice directly on the burn and hold it there until it is numb
- Cover the burn with butter
- Pop any blisters
- Cool the burn under cool running water
显示答案
答案: D. Cool the burn under cool running water
Cool or cold (not freezing) running potable water is recommended for thermal burns.
第25题，共25题
The timer in the diagram shows 20 minutes. How long does the American Red Cross say to cool a burn?
- About 30 seconds
- About 2 minutes
- At least 10 minutes, ideally 20 minutes
- At least 1 hour, without any breaks in between
显示答案
答案: C. At least 10 minutes, ideally 20 minutes
Cool the burn for a minimum of 10 minutes, ideally 20 minutes.

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