86. Which of the following is the most important source of our knowledge about heart disease?

1. Pubic health officials.
2. Dr. William Castelli.
3. The Framingham Hear Study.
4. The resident in a Boston suburb.

87. From what Dr. William Castelli said, we learn that ____.

1. heart disease is likely to occur in the middle aged group
2. heart disease is epidemic in the US
3. early heart disease is preventable
4. All of the above.

88. Which of the following statement is true?

1. Heart attack occurs more frequently in a younger heart patient.
2. It is easier for women to have heart attacks.
3. Risk factors for heart disease are uncontrollable.
4. The number of risk factors decides the chance of heart attacks.

89. According to Breslow, heart disease is likely to occur ____.

1. when there is cholesterol in blood
2. when environment changes genetics susceptibility
3. when genetics factor don't work with environmental ones
4. when environment and genetics susceptibility work together

90. Which of the following groups have the Winston Churchill syndrome?

1. They are highly susceptible to heart disease with their risk factors for it.
2. They are highly resistant to heart disease despite their risk factors for it.
3. They control their weight, exercise and don't smoke.
4. They are overweight, don't exercise and smoke.

(Reference keys.)