BHS Environmental Health 2

Question 1

Radon gas exposure is primarily associated with increased risk of which disease?

Accepted Answer

Lung cancer

Answer

Liver cancer

Answer

Leukemia

Answer

Bladder cancer

Question 2

Minamata disease, first identified in Japan in the 1950s, was caused by environmental contamination with which substance?

Accepted Answer

Methylmercury

Answer

Inorganic lead

Answer

Inorganic arsenic

Answer

Cadmium

Question 3

'Sick building syndrome' (SBS) is best described as:

Accepted Answer

Acute nonspecific health effects in building occupants that improve upon leaving the building, with no specific illness identified

Answer

A specific infectious disease acquired in hospital settings

Answer

Carbon monoxide poisoning from faulty HVAC systems

Answer

Structural deterioration causing physical injury to occupants

Question 4

Long-term exposure to ultraviolet (UV) radiation from sunlight is most strongly associated with which environmental health outcome?

Accepted Answer

Melanoma and non-melanoma skin cancers

Answer

Cataracts only

Answer

Vitamin D toxicity

Answer

Autoimmune diseases

Question 5

Polychlorinated biphenyls (PCBs) are primarily associated with which health effects?

Accepted Answer

Reproductive toxicity, developmental effects, and carcinogenicity

Answer

Acute kidney failure

Answer

Immediate respiratory distress and pulmonary edema

Answer

Iron-deficiency anemia

Question 6

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund, was primarily created to:

Accepted Answer

Clean up abandoned contaminated hazardous waste sites

Answer

Regulate emissions from active industrial smokestacks

Answer

Provide funding for drinking water infrastructure upgrades

Answer

Establish workplace chemical exposure limits for workers

Question 7

Organophosphate pesticides cause toxicity primarily by:

Accepted Answer

Inhibiting acetylcholinesterase, leading to accumulation of acetylcholine at nerve synapses

Answer

Blocking dopamine receptors in the central nervous system

Answer

Disrupting thyroid hormone synthesis and secretion

Answer

Oxidizing hemoglobin to methemoglobin