Dr. Wozniak is examining a cell from the nervous system of an animal. He notices that at one end of the cell body is a long, fibrous strand of tissue that appears to be coated in a sheath-like cover. He immediately recognizes this as an axon that is responsible for
A. carrying signals away from the cell body.
B. receiving signals from other cells and carrying them toward the cell body.
C. determining the speed at which an action potential will travel.
D. determining whether the cell inhibits or excites neighboring neurons.
Answer: A
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Joe interviews five candidates for a job. Later, when Joe's boss asks who made the greatest lasting impression on him, Joe says Erik and Ted, the first and last candidates interviewed. From a psychologist's view, this favoring of Erik and Ted is most likely the result of which memory effect(s)?
A. initial and residual B. antecedent and consequent C. template and salience D. serial position
The common factor among psychoactive drugs may be
a. their ability to activate the "pleasure pathways" of the brain. b. the ease of obtaining them and the relatively inexpensive cost. c. the similar way in which they are metabolized in the body. d. their identical effect on neurotransmitters at the synapse.
All of the following are typical behaviors for children with autism EXCEPT a. spinning a wheel on a toy truck and staring at it for hours
b. throwing a loud tantrum when prevented from carrying out a ritual. c. becoming wildly upset when one toy was removed from the shelf. d. performing complex math calculations that appear well beyond their abilities.
Being aggressive and coming on too strong at inappropriate times can reduce your power.
Answer the following statement true (T) or false (F)