Elaine, a graduate student in a neuroscience department, is interested in understanding the effects of popular herbal remedies on neuronal communication. After growing neurons in a petri dish, she exposes the neurons to several common herbal supplements. After performing a series of electrophysiology experiments, she notes that one class of herbal supplements caused the neurons to become
depolarized. What does this mean?
a. The difference between the electrical charges of the extracellular and intracellular recordings decreased, increasing the chances of an action potential.
b. The difference between the electrical charges of the extracellular and intracellular recordings decreased, decreasing the chances of an action potential.
c. The difference between the electrical charges of the extracellular and intracellular recordings increased, increasing the chances of an action potential.
d. The difference between the electrical charges of the extracellular and intracellular recordings increased, decreasing the chances of an action potential.
ANSWER:
a
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Which of the following would be least likely to lead to posttraumatic stress disorder?
A) engaging in combat in a war B) experiencing a life-threatening natural disaster C) living in a dangerous neighborhood surrounded by daily, violent crime D) failing a college class E) being the victim of a rape
Our first task when faced with a potential stressor is to determine whether we are in imminent danger. This evaluation is termed a
a) primary appraisal. b) secondary appraisal. c) stress-related decision. d) hassle-related decision.
Greg says, "I wish my baby toothes would fall out." His mom corrects him by saying, "Oh, you wish your baby teeth would fall out." What Greg's mom did is known as a/an ________
Fill in the blank with the appropriate word.
Which of the following statements best describes the relationship between correlation and causation?
A. Correlation does not imply causation. B. Correlation directly implies a causal inference. C. Correlation and causation refer to the same thing. D. Correlation is confounded with causation.