If a membrane potential changes from –70 mV to –75 mV,
a. hyperpolarization has occurred
b. depolarization has occurred.
c. an action potential has been triggered.
d. saltatory conduction has occurred.
a
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The authors of the text would likely agree that the diagnosis of anxiety disorders in young children is unnecessarily complicated and often invalid
Indicate whether the statement is true or false
You are sitting on a stool when suddenly you lean back and fall off the stool, hitting the back of your head on the floor. You "see stars" as you try to sit back up. This sensation of "seeing stars" occurred because
a. neurons in your occipital lobe were stimulated. b. your eyes were jarred to the extent stars were seen. c. neurons in your retina were stimulated. d. neurons in your hypothalamus were stimulated.
An advantage of the case study method is that it
a. provides identification of clear cause-and-effect relationships. b. allows information about large numbers of people to be gathered. c. allows prediction. d. allows investigation of rare or unusual problems or events.
Newborns can distinguish different colors, and they seem to prefer __________
a) red and black b) blue and green c) yellow and blue d) pink and blue