Which alternative best compares or contrasts the effects of gonadotropin-releasing hormone (GnRH) and gonadotropin-inhibitory hormone (GnIH)?
a) GnRH and GnIH amplify each other's effects.
b) GnRH and GnIH have the same effects.
c) GnRH and GnIH have opposing effects.
d) GnRH and GnIH have similar effects.
ANS: C, GnRH are GnIH opposite-acting hormones, balancing each other's effects.
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The risk/benefit ratio that is used in ethical decision making represents
A. a mathematical ratio with calculable components. B. an objective, rule-based evaluation of risks and benefits. C. a definitive basis for making ethical decisions. D. a subjective evaluation of risks and benefits.
Answer the following statements true (T) or false (F)
1. Current research suggests that humour can be helpful in reducing stress in the short term. 2. People who use humour to reduce stress tend to live longer than do people who use other relaxation strategies. 3. In response to a painful stimulus, high-pain-sensitive individuals exhibit more activity in the thalamus than do low-pain-sensitive individuals. 4. In response to a painful stimulus, low-pain-sensitive individuals exhibit less activity in the anterior cingulate cortex than do high-pain-sensitive individuals. 5. Placebos have been shown to increase the release of endorphins, the brain's natural painkilling chemical.
A friend is taking a history of science course, and has chosen to write a paper on the history of psychology. She comes to you for advice on who were the important people in the early history of psychology and the basic ideas underlying their approaches
What kind of helpful information could you give her concerning the evolution of modern psychology? What will be an ideal response?
As 3-year-old Angelo eats his bagel, he accidentally breaks it in half. He then says to his mom, "Uh oh, the bagel gone. I go get another." Angelo is in the _____ stage of cognitive development
a) formal operations b) preoperational c) hypothetico-deductive reasoning d) sensorimotor