What are some examples of environmental factors that can influence human health?

• Air quality, water quality, and soil quality

• Genetic predispositions and family history

• Personal hygiene and diet choices

• Social interactions and economic status

Answer explanation

Environmental factors like air quality, water quality, and soil quality directly impact human health by affecting respiratory, gastrointestinal, and overall well-being. The other options relate more to personal or social factors.

Which of the following respiratory problems can be caused by poor air quality?

• Diabetes

• Asthma

• Arthritis

• High blood pressure

Answer explanation

Asthma is a respiratory condition that can be exacerbated by poor air quality, as pollutants can trigger asthma attacks and worsen symptoms. The other options listed are not directly caused by air quality.

What is vital for respiratory health in relation to air pollution?

• Increasing outdoor activities

• Understanding pollution sources and improving air quality

• Consuming more vitamins

• Avoiding all forms of exercise

Answer explanation

Understanding pollution sources and improving air quality is vital for respiratory health, as it helps mitigate the harmful effects of air pollution, leading to better overall lung function and reduced health risks.

What health issues can arise from consuming contaminated water and food sources?

• Improved vision and hearing

• Enhanced athletic performance

• Gastrointestinal issues and infections

• Stronger bones and muscles

Answer explanation

Consuming contaminated water and food can lead to gastrointestinal issues and infections, as harmful pathogens can disrupt digestive health and cause illnesses such as diarrhea, vomiting, and other serious infections.

What is crucial for preventing health risks related to water and food?

• Relying solely on bottled water

• Ensuring access to clean drinking water and proper food handling

• Eating only raw foods

• Avoiding all processed foods

Answer explanation

Ensuring access to clean drinking water and proper food handling is essential to prevent health risks. Bottled water alone, raw foods, or avoiding processed foods do not address the broader need for safe water and food practices.

Exposure to toxic substances like heavy metals and pesticides can lead to what severe health effects?

• Improved cognitive function

• Organ damage and increased cancer risk

• Enhanced immune system

• Faster metabolism

Answer explanation

Exposure to toxic substances like heavy metals and pesticides can cause serious health issues, including organ damage and an increased risk of cancer, making this the correct choice.

What is essential for safeguarding public health from hazardous substances?

• Increased personal consumption of chemicals

• Ignoring industrial waste regulations

• Regulation and protective measures

• Relying on natural remedies only

Answer explanation

Regulation and protective measures are crucial for safeguarding public health from hazardous substances. They ensure proper management of chemicals and waste, reducing exposure and health risks.

What are some negative impacts of prolonged exposure to excessive noise levels?

• Improved sleep quality

• Enhanced concentration

• Stress and cardiovascular issues

• Increased physical endurance

Answer explanation

Prolonged exposure to excessive noise can lead to stress and cardiovascular issues, as it disrupts the body's natural responses and can increase anxiety levels, ultimately affecting heart health.

Which of the following are health risks associated with climate change?

• Decreased infectious disease transmission

• Increased food and water availability

• Heat-related illnesses and mental health challenges

• Reduced extreme weather events

Answer explanation

Climate change leads to heat-related illnesses due to rising temperatures and can exacerbate mental health issues from stress and anxiety related to environmental changes. The other options do not reflect health risks.

How can urban planning contribute to healthier populations?

• By increasing traffic congestion

• By eliminating all green spaces

• By promoting active lifestyles and reducing pollution

• By building more industrial factories

Answer explanation

Urban planning can enhance public health by promoting active lifestyles through walkable neighborhoods and reducing pollution via green spaces, which leads to healthier populations. The other options would negatively impact health.