Reading For UAN (6)

Vibrio parahaemolyticus is a bacteria that has been isolated from sea water, shell fish, finfish, plankton and salt springs. It has been a major cause of food poisoning in Japan and the Japanese have done several studies on it. They have confirmed the presence of Vibrio parahaemolyticus in the north and central Pasific with the highest abundance in inshore waters, particularly in or near large harbors.

A man named Nishio studied the relationship between the chloride content of sea water and the seasonal distribution of Vibrio parahaemolyticus and concluded that while the isolation of Vibrio parahaemolyticus was independent of the sodium chloride content, the distribution of Vibrio parahaemolyticus in the sea water was independent on the water temperature. In fact it has been isolated in high frequencies during summer, form June to September, but was not isolated with the same frequency in winter.

Within four or five days after eating contaminated foods, a person will begin to experience diarrhea, the most common symptom; this will very often be accompanied by stomach cramps, nausea, and vomiting. Headache and fever, with or without chills, may also be experienced.

1. The text mainly talks about ....
A. the Water bacteria
B. the Japanese foods
C. the Water temperature
D. the Contaminated foods
E. the Vibrio parahaemolyticus

2. Nahio's study showed that the presence of Vibrio parahaemolyticus was ....
A. dependent on neither the salt content nor the water temperature
B. independent of both the water temperature and salt content
C. dependent on the water temperature
D. dependent on only the salt content
E. independent on the salt content

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1. E
2. B

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