Who is credited with giving us a complete understanding of the circulatory system?

a. Erasistratus in 300 BC c. William Harvey in 1628
b. Galen in 150 BC d. none of the above


C

Psychology

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Approximately ____ American teens commit suicide each year

a. 1 or 2 in 100 c. 1 or 2 in 10 b. 1 or 2 in 10,000 d. 1 or 2 in 100,000

Psychology

"People who have relationship difficulties clearly have unresolved unconscious issues that remain from difficult experiences during childhood," a researcher hypothesizes

What is the basic error of this hypothetical statement? a. It is too subjective, and may be based on the researcher's own personal issues. b. It is not based on any specific, clearly stated problem. c. The researcher's hypothesis cannot be proven or disproven and thus is not open to scientific inquiry. d. The hypothesis has been presented before any empirical data was collected to verify it.

Psychology

Melissa is in middle adulthood. If she is typical, when can she expect menopause to occur?

a. between ages 40 and 45 b. between ages 45 and 48 c. between ages 45 and 55 d. between ages 52 and 56

Psychology

Which of the following disorders is the most common?

A. attention deficit / hyperactivity disorder B. childhood disintegrative disorder C. Rett's disorder D. autism

Psychology