67. Prospective buyers asked the licensee representing them if it would be a good idea to check the property they wish to purchase for radon. The licensee's best response would be to tell the buyers that

Answer: C

Explanation:

They should do so, because radon is now considered to be one of the causes of lung cancer.

Checking for radon is advisable, as it is recognized as a potential risk factor for lung cancer. By informing the buyers about this health risk, the licensee promotes a responsible approach to property purchasing.

A) it is unlikely that radon would be a problem in that area.

This option is misleading, as radon can be present in any geographical area, regardless of prior assessments. Assuming that radon is unlikely without proper testing could lead to health risks for the buyers.

B) as long as they are non-smokers, it should not be an issue.

This statement is incorrect because radon poses a risk to both smokers and non-smokers. The health risks associated with radon exposure are significant regardless of smoking status, making this advice insufficient and potentially dangerous.

C) they should do so, because radon is now considered to be one of the causes of lung cancer.

This option is accurate and reflects current understanding of radon as a carcinogen. Encouraging buyers to test for radon is a prudent measure, aligning with public health recommendations about safety in home environments.

D) they need not do so, because if radon were present, there would be an odor that would make it easy to detect.

This statement is incorrect because radon is a colorless, odorless gas, making it undetectable without testing. Relying on the assumption that radon can be sensed through odor is fundamentally flawed and could result in serious health implications.

Conclusion

The best response is to recommend testing for radon due to its established link to lung cancer, making option C the only responsible choice. All other options fail to appropriately address the health risks associated with radon exposure, either by downplaying the risk or providing false information about detection.