About __________ of the population experience insomnia as a persistent problem while __________ experience insomnia on occasion.
A. 1 percent; 3 percent
B. 15 percent; 52 percent
C. 27 percent; 45 percent
D. 9 percent; 25 percent
Answer: D
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Rates of chlamydia and gonorrhea are higher in ____
a. 15- to 19-year-old females than any other age group b. 15- to 19-year-old males than any other age group c. 20- to 24-year-old females than any other age group d. 20- to 24-year-old males than any other age group
What is the term that refers to an individual's ability to understand the meaning of numbers?
a. literacy b. arithmetic c. numerology d. numeracy
Although some therapies are only marginally effective at delaying the progression of Alzheimer's, they are important because even a delay of a few months for nursing home care could save millions of dollars in health care
Indicate whether the statement is true or false
Which neuroimaging technique uses magnetic fields to measure blood flow in the brain?
a. CT scan b. MRI scan c. fMRI scan d. PET scan