What is the key distinction between an epidemic and a pandemic?
A. An epidemic spans across national and international borders whereas a pandemic is relatively more localized.
B. An epidemic spans a community or region whereas a pandemic is a wider occurrence and spans international borders.
C. An epidemic refers to a spread of a chronic illness whereas a pandemic refers to a spread of acute illness like viruses
D. An epidemic refers to the spread of acute illnesses like viruses whereas a pandemic refers to a spread of chronic illnesses
Answer: B
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Which type of ultrasonography produces images of the flow of blood in the arteries?
A) Doppler B) echocardiography C) thallium stress test D) radionuclide ventriculography
Multiple births would be statistically most likely in which of these women?
A. Multiple births are equally prevalent in all women. B. Imani, a woman of African descent who is 42 years old, and moderately obese C. Suzanne, a 22-year-old woman who is slender at a weight of 110 pounds D. Olivia, a 30-year-old woman of average weight who gave birth to a daughter two years ago
What does respiratory exchange ratio (RER) mean in terms of exercise intensity and fuel utilization?
What will be an ideal response?
The rating of perceived exertion scale starts at 6 and ends at 20 because the numbers on the scale correlate loosely with
A. heart rate. B. body weight. C. cholesterol levels. D. blood pressure.