Sheldon has been extremely afraid of cats since he was scratched as a 5-year-old. Whenever he sees a cat, he remembers the time he was scratched across his face, and he starts to feel afraid. If a cat comes toward him, he often runs away immediately, as he is afraid of being scratched again. Sheldon's behaviors and recollection of this trauma are a result of the __________ in the limbic system.
A. hippocampus
B. thalamus
C. amygdala
D. medulla
Answer: C
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Of the multiple categories in Sniffy’s behavioral repertoire, which behavior had a relative frequency most similar to that of face wiping in Exercise 49?
a. Eating a pellet b. Dismounting the bar c. Drinking d. Genital grooming
The SMALLEST meaningful units of language are known as:
A) phonemes. B) morphemes. C) words. D) sentences.
The boys in Ms. Jones' third grade class were lined up according to height and were then weighed in this order beginning with the shortest. Each succeeding boy was found to weigh more than the preceding one. These data were plotted on a graph with weight on the horizontal axis and height on the vertical axis and revealed a
a. zero correlation. b. positive correlation. c. negative correlation. d. horizontal line.
The amniotic fluid __________
A) delivers food and oxygen to the developing organism B) helps keep the temperature of the prenatal world constant C) delivers nutrients and removes waste products D) produces blood cells until the organs are mature enough to take over this function