The function of angiotensin II is to
A. constrict blood vessels and trigger the release of aldosterone.
B. constrict blood vessels and trigger the release of renin.
C. dilate blood vessels and trigger the release of aldosterone.
D. dilate blood vessels and trigger the release of renin.
Answer: A
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Different cultures and subcultures have their own views of appropriate and inappropriate childrearing, just as they have different developmental goals for their children.
Answer the following statement true (T) or false (F)
People reported the letter they saw on a screen at the time when they decided whether to press a button with the left or right hand. Researchers recorded brain activity in both hemispheres. When did activity preparing for a left or right hand movement begin?
a. Almost half a second after the reported time of the decision b. At almost exactly the same time as the reported decision c. At almost exactly the same time as the movement itself d. Seven or more seconds before the reported time of the decision
Jed hypothesizes that better home life will result in higher mental health in children. He decides on what homes constitute "good" home life in his own way, but he cannot explain how he comes to these conclusions. Jed's hypothesis is
a. a good one, as it is both testable and refutable. b. an all right one, as it is refutable but not testable. c. an all right one, as it is testable but not refutable. d. a bad one, as it is neither testable nor refutable.
In order to increase the probability of rejecting the null hypothesis, we should ____ treatment variance and ____ error variance
a. maximize; maximize b. maximize; minimize c. minimize; maximize d. minimize; eliminate