A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because ________
a. ionic balance has been restored
b. the synapses are underactive
c. the threshold of excitation was not reached
d. the graded potential is too great
Answer: c
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Describe and give one example of three of the following as it relates to the development of ODD and CD: genes and heredity; physiological factors; child factors; parent and family factors; peer factors; and sociocultural factors
What will be an ideal response?
What finding is associated with studies investigating hippocampal volume of Vietnam veterans and their identical twins?
A. increased hippocampal volume for both war veterans with PTSD and their twin B. increased hippocampal volume for war veterans with PTSD but not their twin C. decreased hippocampal volume for both war veterans with PTSD and their twin D. decreased hippocampal volume for war veterans with PTSD but not their twin E. increased hippocampal and amygdala volume for all family members of the war veteran
Beatrice, a newborn, just received her first shots from her pediatrician. What might her reaction be later in the day?
a. She may fall asleep several times during the day in reaction. b. She is likely to cry for several hours. c. She may release a stress hormone that will interfere with her sleep and feeding during the day and night. d. She likely will not react at all.
When departure of children results in __________, parents' psychological well-being declines
A) little need for parental guidance B) little or no communication C) a successful child D) positive communication