When a neuron is polarized, ________
a. both positive and negative ions are concentrated inside the neural membrane
b. positive ions are concentrated outside the neural membrane while negative ions are concentrated inside the membrane
c. negative ions are concentrated outside the neural membrane while positive ions are concentrated inside the membrane
d. both positive and negative ions are concentrated outside the neural membrane
Answer: b
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Most adolescents who drink, smoke, or take drugs
a. will wind up in jail. b. will become addicts. c. are simply exploring what it feels like to try these substances. d. will have long-term behavioral problems.
The fact that fake surgeries and inert medications can cause placebo effects points to the idea that:
A. mental factors such as beliefs and expectations can influence pain perception B. the medical community has the ingenuity to save money on health care C. pain is just a physical experience D. a person's doctor must be watched very closely
Which of the following is true of knockout mice?
A. They have a gene from another species spliced into their DNA. B. They have a functioning mutation. C. They have a gene that has been disabled or altered. D. They have blocked messenger RNA.
Maslow saw science as:
a. being only concerned about advancing the scientist's own personal agenda . b. a double-edged sword ? as a defense and as a way of improving psychological health. c. an attempt to avoid working and living in the real world. d. outdated and out of step with the needs of people.