In posttraumatic stress disorder (PTSD), people often feel hypervigilant, or are unable to relax even when they're in a very safe situation. Which of the following neurochemicals might be involved in this unusual state?
A. ACh
B. serotonin
C. dopamine
D. norepinephrine
Answer: D
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Describe two teleological ethical systems and describe two deontological systems.
What will be an ideal response?
Jim and John are both 17 and are 6 feet tall. What do we know about these young men and/or the timing of the growth spurt for each?
a. They both experienced the growth spurt early. b. They both experienced the growth spurt late. c. They are very likely to be biologically related. d. We know nothing about the growth spurt of these young men.
The content validity ratio is associated with providing evidence of validity based on
a. response processes. b. test content. c. relations with other variables. d. internal structure.
You walk into class and find the following words on the board: mechanoreceptors, thermoreceptors, and nocioreceptors. Based on these words, what will you conclude was the topic of the lecture?
a) chemical senses b) kinesthetic senses c) perceptual illusions d) cutaneous senses