Safety Knowledge Multiple-Choice Questions [Daily Question 090215]

1. How many compressions per minute should be performed using chest compressions on patients who have suffered cardiac arrest due to electric shock? (A :victory:) A 60–80 times B 80–90 times C Over 100 times 2. **The weight of a safety helmet is required to be no less than (B :victory: ) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (B :victory: ) 100 decibels, B 120 decibels, C 140 decibels. 4. The best way to prevent harm from toxins is (C :victory: ). A: Wear work clothes. B: Use breathing apparatus. C: Employ non-toxic or low-toxic substitutes. 5: The range of sound frequencies that the human ear can hear normally is (C :victory: ). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. When performing chest compressions on patients who have suffered cardiac arrest due to electric shock, how many compressions per minute should be carried out? (A) A 60–80 times B 80–90 times C Over 100 times 2. **The weight of a safety helmet must not be less than (D) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (C) 100 decibels B 120 decibels C 140 decibels 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (B). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. How many compressions per minute should be performed using chest compressions on patients with cardiac arrest caused by electric shock? (A) A. 60–80 times B. 80–90 times C. Over 100 times 2. **The weight of a safety helmet is required to be no less than (according to GB 2811—2007, ordinary safety helmets shall not exceed 430 g, while insulated safety helmets shall not exceed 600 g) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (A) 100 decibels B 120 decibels C 140 decibels. 4. The best way to prevent harm from toxins is (C). A: Wear work clothes. B: Use breathing apparatus. C: Employ non-toxic or low-toxic alternatives. 5: The range of sound frequencies that the human ear can hear normally is (in my opinion, it should be 20Hz–20KHz). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. When performing chest compressions on patients who have suffered cardiac arrest due to electric shock, how many compressions per minute should be carried out? (A) A 60–80 times B 80–90 times C Over 100 times 2. **The weight of a safety helmet must not be less than (D) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (C) 100 decibels B 120 decibels C 140 decibels 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (B). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1/A 2/B 3/C 4/C 5/B

1A,2B,3B,4C,5C

1、A 2、B 3、C 4、C 5、B

1、a； 2、b ； 3、b ； 4、c ； 5, c.

1、A； 2、B ； 3、C ； 4、C ； 5、B:)

1.A 2.A 3.B 4.C 5.C

1、A 2、B 3、C 4、C 5、B

1、A 2、B 3、C 4、C 5、B

1. When performing chest compressions on patients who have suffered cardiac arrest due to electric shock, how many compressions per minute should be carried out? (A) A 60–80 times B 80–90 times C Over 100 times 2. **The weight of a safety helmet must not be less than (D) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (C) 100 decibels B 120 decibels C 140 decibels 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (B). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. When performing chest compressions on patients who have suffered cardiac arrest due to electric shock, how many compressions per minute should be carried out? (A) 60–80 times. 2. **The weight of a safety helmet must not be less than (D) grams.** D. 600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? B 120 decibels 4. The best way to prevent harm from toxins is (C). C Use non-toxic or low-toxic substitutes. 5. The range of sound frequencies that the human ear can hear is (C). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. How many compressions per minute should be performed using chest compressions on patients with cardiac arrest caused by electric shock? (A) A. 60–80 times B. 80–90 times C. Over 100 times 2. **The weight of a safety helmet is required to be no less than (according to GB 2811—2007, ordinary safety helmets shall not exceed 430 g, while insulated safety helmets shall not exceed 600 g) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (A) 100 decibels B 120 decibels C 140 decibels. 4. The best way to prevent harm from toxins is (C). A: Wear work clothes. B: Use breathing apparatus. C: Employ non-toxic or low-toxic alternatives. 5: The range of sound frequencies that the human ear can hear normally is (in my opinion, it should be 20Hz–20KHz). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1. When performing chest compressions on patients who have suffered cardiac arrest due to electric shock, how many compressions per minute should be carried out? (A) A 60–80 times B 80–90 times C More than 100 times 2. **The weight of a safety helmet must not be less than (B) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (B) 100 decibels B 120 decibels C 140 decibels. 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (C). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

The issue might be a slight disagreement; my answer is A D A C B

1. How many compressions per minute should be performed using chest compressions on patients with cardiac arrest caused by electric shock? (A) A 60–80 times B 80–90 times C Over 100 times 2. **The weight of a safety helmet must not be less than ( ) grams.** This phrase was not found. A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (B) 100 decibels B 120 decibels C 140 decibels. 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (C). Not entirely correct; it should be 16Hz–20KHz. A 200Hz–300KHz B 100Hz–200Hz C 0Hz–20KHz

1. How many compressions per minute should be performed using chest compressions on patients with cardiac arrest caused by electric shock? (A) A 60–80 times B 80–90 times C Over 100 times. 2. **The weight of a safety helmet is required to be no less than (430/600) grams.** A、300 B、400 C、500 D、600 3. At what decibel level of noise exposure over an extended period of time can it lead to permanent hearing damage? (B) 100 decibels B 120 decibels C 140 decibels. 4. The best way to prevent harm from toxins is (C). A wears work clothes. B uses breathing apparatus. C uses non-toxic or low-toxic substitutes. 5. The sound frequency range that the human ear can hear normally is (C). A 200Hz—300KHz B 100Hz—200KHz C 0Hz—20KHz

1、A 2、D 3、B 4、C 5、C