As compared to the transmission of AIDS in the United States, transmission in the rest of the world occurs more often through:
A. heterosexual intercourse
B. homosexual intercourse
C. blood transfusions
D. intravenous drug uses
Answer: A
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Research into the duration of short-term memory has indicated that when information in short-term memory is not rehearsed, it can be retained for:
a. less than 15 seconds b. approximately 1/2 second c. approximately 60 seconds d. up to 5 minutes
During REM sleep, a. the hippocampus is relatively inactive
b. primary visual cortex in the occipital lobe is unusually active. c. the frontal lobes are unusually active. d. the frontal lobes are relatively inactive.
The human population began to increase noticeably around 10,000 years ago. What has been hypothesized as the reason for the population increase at that time?
a. the discovery of medicine b. the development of agriculture and the domestication of animals c. an increase in the size of women's pelvic openings that assisted in labor d. construction techniques that allowed for stronger homes that were better heated
The U.S. Preventive Task Force recommends that women have mammography screenings
A. beginning at age 50 unless the person has high risk factors. B. every year after age 25 for all women who have not been pregnant. C. every year after age 35 to reduce the incidence of breast cancer. D. if they have a family history of breast cancer.