What is the major method of dealing with solid waste in the United States?

Correct Answer: B

Rationale: The correct answer is B: Landfill. Landfill is the major method of dealing with solid waste in the United States because it involves burying waste in designated areas. Landfills are designed to contain waste and prevent environmental contamination. Recycling (A) and composting (C) are also important methods, but they are not as widely used or as comprehensive as landfills. Burning (D) can be used for waste-to-energy purposes, but it is not the primary method for managing solid waste in the U.S. Landfills remain the most common and effective way to handle solid waste on a large scale.

Correct Answer: B

Rationale: The correct answer is B because silicosis is a lung disease caused by inhaling crystalline silica dust found in materials like sand, quartz, and granite. The dust particles scar and inflame the lungs, leading to breathing difficulties. Choice A is incorrect as silicosis is not associated with breast implants. Choice C is incorrect as silicosis is not a mental disorder. Choice D is incorrect as silicosis does not involve the replacement of oxygen by silicon in the blood.

Correct Answer: D

Rationale: The correct answer is D: The National Institute for Occupational Safety and Health (NIOSH) because NIOSH is specifically tasked with conducting research and making recommendations for the prevention of work-related illnesses and injuries. They establish exposure limits through rigorous scientific research and collaboration with experts in the field. The other choices are incorrect because: A: The Environmental Protection Agency regulates environmental standards, not specifically occupational exposure limits. B: The Centers for Disease Control focuses on public health and disease prevention, not occupational exposure limits. C: The National Institute for Environmental Health Science focuses on environmental health research but does not set specific occupational exposure limits.

Correct Answer: A

Rationale: The correct answer is A: Playing sports. Traumatic brain injuries in the young often occur during high-impact sports due to falls, collisions, or blows to the head. This is supported by research showing a high incidence of sports-related head injuries in youth. Driving cars (B) can also lead to head injuries, but it is not as common in the young. Scuba diving (C) can cause decompression sickness but is less likely to result in a traumatic brain injury. Suffocation (D) can lead to brain damage, but it is not typically associated with traumatic brain injury in the young.

Correct Answer: C

Rationale: The correct answer is C because it lists the three main types of health and safety program interventions: engineering, administrative, and behavioral. Engineering interventions involve modifying the workplace environment or equipment to reduce risks. Administrative interventions focus on implementing policies and procedures to manage safety. Behavioral interventions target changing employee behavior to promote safer practices. Choices A, B, and D are incorrect as they do not accurately represent the three main types of interventions in health and safety programs.