Sodium-potassium pumps move
A. potassium out of the cell and sodium into the cell.
B. sodium out of the cell and potassium into the cell.
C. both sodium and potassium into the cell.
D. both sodium and potassium out of the cell.
Answer: B
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Chapter 12 examines several potential factors that are related to psychological depression. According to this research,
a. women are much more likely than men to be biologically predisposed to develop depression. b. most of the gender differences in depression can be traced to the fact that women are more likely than men to seek therapy. c. women who have been abused or raped are more likely than other women to develop depression. d. low-income women have different expectations about happiness, compared to high-income women; therefore a woman's income is not related to depression.
Which of the following account for three of the most common causes of death among adolescents in the United States?
a. Accidents, suicide, and homicide b. Accidents, suicide, and heart disease c. Childhood cancers, accidents, and suicide d. Lead poisoning, accidents, and homicide
According to Freud, at puberty, children enter the ______
a. genital stage c. phallic stage b. latency period d. anal stage
Why are control groups included in experiments?
A. to rule out the idea that something other than experimental manipulation produced the observed results in an experiment B. to show that when two variables in an experiment are strongly correlated, they have a cause-and-effect relationship C. to determine whether two variables being investigated in an experiment are correlated D. to ensure that participants are properly assigned to the groups in an experiment