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The hepatitis B virus is common in China relative to other countries in the region. The disease can easily be prevented through vaccination, regulation of barbershop and manicure practices, and health education. Yet, the incidence of this disease continues to rise in China, while it remains stable or is falling in China`s neighboring countries.

Hepatitis B virus can easily be prevented through vaccination, regulation of barbershop and manicure practices, and health education. Yet, the incidence of this disease continues to rise in China.

Consider Option C, To speed its industrial development and the education level of its citizenry, China does not burden small businesses with many regulations nor does it require its school population to have vaccinations, as neighboring countries do.

Regulations: regulation of barbershop and manicure practices
Vaccinations, School Population: Vaccination, health education.

Answer: C.
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The hepatitis B virus is common in China relative to other countries in the region. The disease can easily be prevented through vaccination, regulation of barbershop and manicure practices, and health education. Yet, the incidence of this disease continues to rise in China, while it remains stable or is falling in China`s neighboring countries.

Which of the following, if true, would best explain the situation described above?

A. Illegal drug use has risen faster in China than in neighboring countries.

B. Capitalism is growing more quickly in China than in neighboring countries, and thus accompanying social problems have also increased more quickly.

C. To speed its industrial development and the education level of its citizenry, China does not burden small businesses with many regulations nor does it require its school population to have vaccinations, as neighboring countries do.

D. Medicine is socialized in China but not in neighboring countries, meaning that more people in China have access to health care than in neighboring countries.

E. Twenty years ago, a complete and accurate study by an international health agency revealed that the incidence of hepatitis B was much higher in China than in neighboring countries.


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Manhattan Prep Official Solution:



The situation described is that hepatitis B is more prevalent in China than in neighboring countries, even though the disease can easily be prevented. This scenario could be explained by a relevant difference between China and its neighbors.

(A) This choice provides an irrelevant difference. It's too great a leap to assume a link between illegal drug use and the prevalence of hepatitis B.

(B) This choice does not provide a relevant difference. “Accompanying social problems” is too broad to be a specific link to hepatitis B. There are a myriad of social problems that do not involve the incidence of any physical illness.

(C) CORRECT. The statements given indicate hepatitis B prevention methods that are specifically mentioned in the argument. If, unlike its neighbors, China does not employ those methods, it would explain the higher incidence.

(D) This choice does not provide a relevant difference. There is no reason given that would make socialized medicine the cause of the increased incidence. Furthermore, if more people have access to health care, it makes it more puzzling that the incidence is higher.

(E) The findings of twenty years ago are too dated to explain why the incidence is still higher and even rising today.
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