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This post was last edited by Reflecting on the Three Kingdoms liu on 2015-6-30 at 13:39. Occupational hazard factors can be classified into the following three categories based on their source: (1) Hazardous factors in the production process; (2) Hazardous factors during work; (3) Hazardous factors in the production environment. Among them, the hazardous factors in the production process include: 1. Chemical factors: these encompass various chemicals used in the production process as well as industrial dusts. 2. Physical factors: include abnormal weather conditions, abnormal air pressure, noise, vibration, non-ionizing radiation, ionizing radiation, etc. 3. Biological factors: infectious pathogens such as Bacillus anthracis, Brucella, and forest encephalitis virus. Which of the following statements about physical factors associated with occupational hazards is correct? ( )。 A. Occupational diseases that may be caused by high air pressure include airsickness and altitude sickness. B. Low air pressure can lead to decompression sickness. C. Occupational disease that may result from the vibrations of coal mining drills is hand vibration disease. There is only one correct answer
A. Occupational diseases that may be caused by high air pressure include airsickness and altitude sickness. B. Low air pressure may lead to decompression sickness. C. Occupational diseases that may result from the vibrations of coal mining drills include arm vibration disease
C: Occupational disease that may result from the vibration of coal mining drill rigs: arm vibration disease. The occupational disease that can be caused by high air pressure is decompression sickness, such as that seen in divers ; Occupational diseases that may be caused by low pressure include high-altitude sickness and airsickness, such as those that occur during work at high altitudes.
This post was last edited by yusea on 2015-6-30 11:50. Damn, I didn’t read it carefully. . . Dizzy! C. . . The answer for AB is the reverse, and C is caused by mechanical vibration.
C: Occupational diseases that may result from the vibration of coal mining drilling machines: Arm vibration disease
The following correct descriptions of physical factors related to occupational hazards are: (ABC). A. Occupational diseases that may be caused by high air pressure include airsickness and altitude sickness. B. Low air pressure may lead to decompression sickness. C. Occupational diseases that may result from the vibrations of coal mining drills include arm vibration disease
Occupational diseases that may result from the vibration of C-type coal mining drilling machines: arm vibration disease. High pressure may cause decompression sickness, while low pressure may lead to airsickness and altitude sickness
C: Occupational diseases that may result from the vibration of coal mining drilling machines: Arm vibration disease
I think ABC are all correct; if it were a single-choice question, I would choose C
C: Occupational diseases that may result from the vibration of coal mining drilling machines: Arm vibration disease