In developed countries, _________ were the dominant cause of death until the early 20th century
a. chronic illnesses
b. infectious diseases
c. suicides
d. injuries
Answer: B
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Which of the following is true about the action potential in a myelinated neuron?
A. The action potential jumps from synapse to synapse. B. The action potential travels faster than in an unmyelinated neuron. C. The action potential travels more slowly than in an unmyelinated neuron. D. The action potential is conducted down to the uninsulated parts of the dendrites.
Literature reviews of early childhood intervention and education programs have reached all of the following conclusions except
a. there are often few lasting effects in any domain of development b. programs that do not continue as children make the transition to school have limited long-term effects c. positive effects tend to be especially pronounced for lower income children whose parents have lower levels of education d. have few direct and lasting effects on measures of IQ
If learning has occurred in classical conditioning, and the neutral stimulus by itself produces a response similar to the reflexive response, the neutral stimulus is then called a ________.
A. neutral response B. conditioned stimulus C. conditioned response D. reinforcer
An 8-month-old infant who cries when a relative she has never met comes to visit is showing
A. anxious attachment. B. poor socialization. C. separation anxiety. D. stranger anxiety.