What structure in the neuron helps to speed up the transmission of the action potential?
a. axon c. myelin sheath
b. dendrites d. end bulb
C
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What happened when the Pima Indians of the Sonoran desert switched from their traditional diet to a more typical American diet?
a. Increasing prevalence of malnutrition b. Increasing prevalence of obesity c. Increasing prevalence of anorexia d. Increasing prevalence of vitamin deficiencies
Which statement is most accurate in describing the order from smallest to largest?
A. zygote, genes, DNA, chromosomes B. genes, DNA, chromosomes, zygote C. DNA, zygote, genes, chromosomes D. DNA, genes, chromosomes, zygote
The behavioral activation system is associated with ____
a. low to moderate arousal, tendency to approach new objects, and pleasant mood b. maximum arousal, increased fear, and negative mood c. lack of arousal, decreased action, and pleasant mood d. increased attention and arousal, decreased action, and fear or disgust
Carmela is struggling in the "autonomy versus shame and doubt" stage of psychosocial development. What aspect of her psychosocial development will result from her successful resolution of this conflict?
a. Hope b. Wariness c. Will d. Purpose