Amphetamines make persons who use them feel
a. very drowsy.
b. somewhat relaxed.
c. sedated.
d. more alert.
e. delirious.
D
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Choose the statement that does not accurately characterize associative learning
A. pairing a stimulus that leads to a specific behavior with a neutral stimulus that initially had nothing to do with the specific behavior B. a form of conditioning in which two stimuli are paired C. linking or associating a behavior with a reward D. learning that occurs in the absence of reward or punishment E. operant conditioning
Which of the following is responsible for the storage of extra bile, used to aid in the digestion of fats?
A. gallbladder B. liver C. pancreas D. stomach E. small intestine
Today's atmosphere on Earth is made up of nitrogen, oxygen, carbon dioxide, and water. According to all models, which of these was largely absent 3.8 billion years ago?
A) oxygen B) nitrogen C) carbon dioxide D) water
The ____________________ connective tissue of the lungs is important for normal exhalation
Fill in the blank(s) with the appropriate word(s).