Human Health — Unit test Answers

Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and roads, and to provide lumber for construction and furniture. How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?

Which of the following is a disadvantage associated with scientific advances?a.decreased urbanizationb.increased energy efficiencyc.increased waste productiond.increased renewable resource use

Which of the following household products is potentially hazardous?a.bleachb.solventsc.paintd.all of the above

Which of the following statements best describes the relationship between the environment and human health?a.The environment is the only factor that affects human health.b.Many aspects of the environment can have an impact on human health.c.Human health is impacted by changes in climate.d.The environment has no impact on human health.

Lions live in groups called prides. Lion populations would most likely fall in which category of population distribution?a.even b.randomc.clumpedd.density

How do environmental factors influence genetic traits?a.Environmental factors determine all genetic traits.b.Environmental factors can determine if a genetic trait becomes a health issue.c.Environmental factors are determined by genetic traits.d.Environmental factors have no influence on genetic traits.

Which of the following limiting factors would be directly affected by a drought?a.birth/death rateb.immigrationc.available niched.resource supply

Which of the following statements about the impact of biotechnology on the environment is not true?a.Biotechnology can positively impact the environment through the use of organisms that degrade pollutants.b.Biotechnology use can lead to an increase in soil erosion and pollution runoff through decreased pesticide use.c.The use of biotechnology in agriculture can lead to a decrease in pesticide use, positively impacting the environment.d.Biotechnology can lead to greater competition among natural and genetically engineered organisms in an ecosystem.

Heredity has an impact on personal health, but environmental factors are important as well.

Which human activity is correctly paired with the greenhouse gas that it increases?

In the 1950s, the structure of DNA was discovered by using models and x-ray chromatography. Currently, science has used advanced technology to completely map out the genes in a human’s body. What would be the best advantage of using this information?

Asbestosis is a lung disease that is caused by inhaling asbestos, a mineral that was once used as insulation and fire retardant in building materials. Which best describes abestosis?

Lice are small wingless insects that make their home in human hair and feed on very small amounts of blood from the scalp. They can be transferred from person to person and through the use of contaminated items such as brushes or pillows. Which type of disease is lice infestation?

Which sustainable practice is paired correctly with its impact on the environment?

The _______ is the total number of organisms that an ecosystem can support.a.tolerance rangeb.carrying capacityc.competitive exclusion principled.population

Which of the following health issues is the least likely to arise from environmental factors related to climate? a.heat exhaustionb.elevation sicknessc.skin cancerd.heart disease

Which statement best describes the germ theory of disease?

The typical home contains _______ hazardous products.a.nob.less than twoc.severald.thousands of

Osteoporosis is more prevalent among women than men because women generally

Which of the following factors would have the least effect on the carrying capacity of an ecosystem?a.the total number of organisms b.the available water supplyc.the available food supplyd.competitive exclusion